./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.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_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/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_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/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_a03f4c8f-fc15-403d-853e-9b405ab206be/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 06d48bd39a18f705c3286a70a8cdcced2226e3b2a16c7a38c85f5398d4bcad34 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:58:33,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:58:33,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 12:58:33,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:58:33,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:58:33,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:58:33,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:58:33,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:58:33,579 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:58:33,579 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:58:33,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:58:33,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:58:33,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:58:33,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:58:33,581 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:58:33,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:58:33,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:58:33,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:58:33,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:58:33,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:58:33,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:58:33,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:58:33,582 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:58:33,582 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:58:33,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:58:33,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:58:33,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:58:33,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:58:33,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:58:33,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:58:33,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:58:33,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:58:33,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:58:33,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:58:33,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:58:33,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:58:33,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:58:33,583 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:58:33,583 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:58:33,583 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:58:33,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:58:33,583 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_a03f4c8f-fc15-403d-853e-9b405ab206be/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 -> 06d48bd39a18f705c3286a70a8cdcced2226e3b2a16c7a38c85f5398d4bcad34 [2024-11-13 12:58:33,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:58:33,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:58:33,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:58:33,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:58:33,918 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:58:33,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c Unable to find full path for "g++" [2024-11-13 12:58:35,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:58:36,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:58:36,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/sv-benchmarks/c/termination-crafted-lit/GopanReps-CAV2006-Fig1a.c [2024-11-13 12:58:36,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/data/9562834ab/63b5eb4d60134fe7a8041412adcf98c0/FLAG96bd67e6d [2024-11-13 12:58:36,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/data/9562834ab/63b5eb4d60134fe7a8041412adcf98c0 [2024-11-13 12:58:36,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:58:36,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:58:36,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:58:36,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:58:36,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:58:36,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ffbead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36, skipping insertion in model container [2024-11-13 12:58:36,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:58:36,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:58:36,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:58:36,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:58:36,293 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:58:36,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36 WrapperNode [2024-11-13 12:58:36,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:58:36,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:58:36,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:58:36,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:58:36,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,322 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-13 12:58:36,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:58:36,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:58:36,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:58:36,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:58:36,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,338 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 12:58:36,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:58:36,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:58:36,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:58:36,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:58:36,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (1/1) ... [2024-11-13 12:58:36,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:58:36,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:36,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:58:36,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:58:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:58:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:58:36,496 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:58:36,498 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:58:36,588 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 12:58:36,588 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:58:36,597 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:58:36,597 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:58:36,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:36 BoogieIcfgContainer [2024-11-13 12:58:36,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:58:36,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:58:36,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:58:36,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:58:36,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:58:36" (1/3) ... [2024-11-13 12:58:36,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4318d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:58:36, skipping insertion in model container [2024-11-13 12:58:36,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:36" (2/3) ... [2024-11-13 12:58:36,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4318d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:58:36, skipping insertion in model container [2024-11-13 12:58:36,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:36" (3/3) ... [2024-11-13 12:58:36,609 INFO L112 eAbstractionObserver]: Analyzing ICFG GopanReps-CAV2006-Fig1a.c [2024-11-13 12:58:36,628 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:58:36,631 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG GopanReps-CAV2006-Fig1a.c that has 1 procedures, 20 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2024-11-13 12:58:36,702 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:58:36,718 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;@78b6292c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:58:36,719 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 12:58:36,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 19 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 12:58:36,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 12:58:36,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:36,731 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 12:58:36,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:58:36,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:36,737 INFO L85 PathProgramCache]: Analyzing trace with hash 28698952, now seen corresponding path program 1 times [2024-11-13 12:58:36,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:36,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977137042] [2024-11-13 12:58:36,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:36,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:36,904 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 12:58:36,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:36,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977137042] [2024-11-13 12:58:36,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977137042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:58:36,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:58:36,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:58:36,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081942812] [2024-11-13 12:58:36,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:58:36,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:58:36,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:36,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:58:36,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:58:36,942 INFO L87 Difference]: Start difference. First operand has 20 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 19 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:58:36,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:36,998 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2024-11-13 12:58:37,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:58:37,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 12:58:37,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:37,008 INFO L225 Difference]: With dead ends: 48 [2024-11-13 12:58:37,009 INFO L226 Difference]: Without dead ends: 24 [2024-11-13 12:58:37,013 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 12:58:37,018 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:37,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 30 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:58:37,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-13 12:58:37,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2024-11-13 12:58:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.625) internal successors, (26), 21 states have internal predecessors, (26), 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 12:58:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2024-11-13 12:58:37,060 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 5 [2024-11-13 12:58:37,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:37,060 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2024-11-13 12:58:37,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:58:37,061 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-13 12:58:37,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 12:58:37,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:37,062 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 12:58:37,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:58:37,063 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 12:58:37,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:37,064 INFO L85 PathProgramCache]: Analyzing trace with hash 28698760, now seen corresponding path program 1 times [2024-11-13 12:58:37,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:37,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579917133] [2024-11-13 12:58:37,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:37,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:37,120 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 12:58:37,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:37,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579917133] [2024-11-13 12:58:37,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579917133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:58:37,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:58:37,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:58:37,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302946060] [2024-11-13 12:58:37,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:58:37,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:58:37,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:37,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:58:37,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:58:37,125 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:58:37,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:37,169 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2024-11-13 12:58:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:58:37,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 12:58:37,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:37,170 INFO L225 Difference]: With dead ends: 27 [2024-11-13 12:58:37,170 INFO L226 Difference]: Without dead ends: 25 [2024-11-13 12:58:37,170 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 12:58:37,171 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:37,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:58:37,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-13 12:58:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2024-11-13 12:58:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.4375) 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 12:58:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2024-11-13 12:58:37,181 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 5 [2024-11-13 12:58:37,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:37,181 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-11-13 12:58:37,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:58:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 12:58:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 12:58:37,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:37,183 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 12:58:37,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:58:37,183 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 12:58:37,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:37,184 INFO L85 PathProgramCache]: Analyzing trace with hash 889661607, now seen corresponding path program 1 times [2024-11-13 12:58:37,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:37,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358289690] [2024-11-13 12:58:37,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:37,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:37,239 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 12:58:37,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:37,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358289690] [2024-11-13 12:58:37,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358289690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:58:37,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:58:37,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:58:37,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287336783] [2024-11-13 12:58:37,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:58:37,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:58:37,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:37,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:58:37,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:58:37,241 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 12:58:37,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:37,261 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2024-11-13 12:58:37,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:58:37,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 12:58:37,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:37,262 INFO L225 Difference]: With dead ends: 21 [2024-11-13 12:58:37,262 INFO L226 Difference]: Without dead ends: 20 [2024-11-13 12:58:37,263 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 12:58:37,263 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:37,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:58:37,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-13 12:58:37,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-13 12:58:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.375) internal successors, (22), 19 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 12:58:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2024-11-13 12:58:37,268 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 6 [2024-11-13 12:58:37,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:37,268 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-13 12:58:37,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 12:58:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 12:58:37,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 12:58:37,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:37,269 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:58:37,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:58:37,270 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 12:58:37,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:37,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1809706097, now seen corresponding path program 1 times [2024-11-13 12:58:37,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:37,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955079039] [2024-11-13 12:58:37,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:37,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:37,312 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 12:58:37,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:37,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955079039] [2024-11-13 12:58:37,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955079039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:58:37,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:58:37,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:58:37,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220656117] [2024-11-13 12:58:37,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:58:37,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:58:37,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:37,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:58:37,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:58:37,314 INFO L87 Difference]: Start difference. First operand 20 states and 22 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 12:58:37,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:37,336 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2024-11-13 12:58:37,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:58:37,337 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 12:58:37,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:37,337 INFO L225 Difference]: With dead ends: 20 [2024-11-13 12:58:37,339 INFO L226 Difference]: Without dead ends: 19 [2024-11-13 12:58:37,339 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 12:58:37,340 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:37,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 10 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:58:37,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-13 12:58:37,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-13 12:58:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 12:58:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-13 12:58:37,349 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 7 [2024-11-13 12:58:37,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:37,349 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-13 12:58:37,350 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 12:58:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-13 12:58:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 12:58:37,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:37,350 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:58:37,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:58:37,351 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:58:37,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:37,352 INFO L85 PathProgramCache]: Analyzing trace with hash -233999724, now seen corresponding path program 1 times [2024-11-13 12:58:37,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:37,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451688578] [2024-11-13 12:58:37,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:37,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:37,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:37,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451688578] [2024-11-13 12:58:37,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451688578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:37,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646314037] [2024-11-13 12:58:37,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:37,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:37,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:37,453 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:37,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 12:58:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:37,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:58:37,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:37,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:58:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:37,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646314037] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:58:37,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:58:37,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2024-11-13 12:58:37,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536369154] [2024-11-13 12:58:37,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:58:37,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 12:58:37,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:37,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 12:58:37,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:58:37,676 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 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 12:58:37,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:37,806 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2024-11-13 12:58:37,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:58:37,807 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 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 12:58:37,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:37,807 INFO L225 Difference]: With dead ends: 35 [2024-11-13 12:58:37,807 INFO L226 Difference]: Without dead ends: 24 [2024-11-13 12:58:37,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:58:37,809 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 14 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:37,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 12 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:58:37,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-13 12:58:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-13 12:58:37,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 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 12:58:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2024-11-13 12:58:37,814 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 12 [2024-11-13 12:58:37,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:37,815 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2024-11-13 12:58:37,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 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 12:58:37,815 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-13 12:58:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 12:58:37,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:37,818 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1] [2024-11-13 12:58:37,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 12:58:38,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:38,020 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:58:38,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:38,022 INFO L85 PathProgramCache]: Analyzing trace with hash -866732875, now seen corresponding path program 1 times [2024-11-13 12:58:38,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:38,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97285966] [2024-11-13 12:58:38,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:38,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:38,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:38,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97285966] [2024-11-13 12:58:38,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97285966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:38,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625089645] [2024-11-13 12:58:38,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:38,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:38,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:38,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:38,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:58:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:38,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:58:38,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:38,296 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:38,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:58:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:38,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625089645] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:58:38,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:58:38,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-13 12:58:38,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387936181] [2024-11-13 12:58:38,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:58:38,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 12:58:38,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:38,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 12:58:38,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:58:38,363 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 12:58:38,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:38,447 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2024-11-13 12:58:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:58:38,447 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 18 [2024-11-13 12:58:38,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:38,448 INFO L225 Difference]: With dead ends: 79 [2024-11-13 12:58:38,449 INFO L226 Difference]: Without dead ends: 78 [2024-11-13 12:58:38,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:58:38,451 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 26 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:38,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 46 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:58:38,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-13 12:58:38,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 68. [2024-11-13 12:58:38,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 67 states have internal predecessors, (81), 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 12:58:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2024-11-13 12:58:38,469 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 18 [2024-11-13 12:58:38,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:38,469 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2024-11-13 12:58:38,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 12:58:38,470 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2024-11-13 12:58:38,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 12:58:38,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:38,470 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 12:58:38,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 12:58:38,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 12:58:38,671 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:58:38,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:38,671 INFO L85 PathProgramCache]: Analyzing trace with hash 299089981, now seen corresponding path program 1 times [2024-11-13 12:58:38,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:38,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333375868] [2024-11-13 12:58:38,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:38,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:58:38,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:38,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333375868] [2024-11-13 12:58:38,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333375868] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:38,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849842255] [2024-11-13 12:58:38,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:38,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:38,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:38,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:38,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:58:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:38,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:58:38,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:38,868 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:38,868 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:58:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:38,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849842255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:58:38,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:58:38,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2024-11-13 12:58:38,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850096813] [2024-11-13 12:58:38,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:58:38,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:58:38,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:38,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:58:38,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:58:38,953 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 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 12:58:39,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:39,038 INFO L93 Difference]: Finished difference Result 160 states and 201 transitions. [2024-11-13 12:58:39,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:58:39,039 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 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 20 [2024-11-13 12:58:39,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:39,040 INFO L225 Difference]: With dead ends: 160 [2024-11-13 12:58:39,040 INFO L226 Difference]: Without dead ends: 106 [2024-11-13 12:58:39,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:58:39,041 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:39,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 41 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:58:39,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-13 12:58:39,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-13 12:58:39,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 104 states have (on average 1.1442307692307692) internal successors, (119), 105 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 12:58:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 119 transitions. [2024-11-13 12:58:39,063 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 119 transitions. Word has length 20 [2024-11-13 12:58:39,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:39,063 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 119 transitions. [2024-11-13 12:58:39,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 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 12:58:39,063 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2024-11-13 12:58:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 12:58:39,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:39,068 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 1, 1, 1] [2024-11-13 12:58:39,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 12:58:39,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:39,269 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 12:58:39,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:39,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1762763311, now seen corresponding path program 2 times [2024-11-13 12:58:39,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:39,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185049291] [2024-11-13 12:58:39,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:39,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:39,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:39,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185049291] [2024-11-13 12:58:39,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185049291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:39,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824694533] [2024-11-13 12:58:39,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:58:39,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:39,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:39,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:39,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:58:39,518 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:58:39,518 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:58:39,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:58:39,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:39,639 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:39,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:58:39,841 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:39,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824694533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:58:39,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:58:39,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-13 12:58:39,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449791591] [2024-11-13 12:58:39,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:58:39,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 12:58:39,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:39,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 12:58:39,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-13 12:58:39,848 INFO L87 Difference]: Start difference. First operand 106 states and 119 transitions. Second operand has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 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 12:58:40,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:40,032 INFO L93 Difference]: Finished difference Result 563 states and 656 transitions. [2024-11-13 12:58:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 12:58:40,035 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 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 42 [2024-11-13 12:58:40,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:40,041 INFO L225 Difference]: With dead ends: 563 [2024-11-13 12:58:40,042 INFO L226 Difference]: Without dead ends: 562 [2024-11-13 12:58:40,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-13 12:58:40,046 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 55 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:40,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 82 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:58:40,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-13 12:58:40,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 370. [2024-11-13 12:58:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 368 states have (on average 1.1630434782608696) internal successors, (428), 369 states have internal predecessors, (428), 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 12:58:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 428 transitions. [2024-11-13 12:58:40,101 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 428 transitions. Word has length 42 [2024-11-13 12:58:40,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:40,102 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 428 transitions. [2024-11-13 12:58:40,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 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 12:58:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 428 transitions. [2024-11-13 12:58:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 12:58:40,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:40,104 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 5, 5, 5, 4, 4, 4, 1, 1, 1] [2024-11-13 12:58:40,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 12:58:40,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:40,309 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:58:40,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:40,309 INFO L85 PathProgramCache]: Analyzing trace with hash -599679489, now seen corresponding path program 2 times [2024-11-13 12:58:40,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:40,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191427041] [2024-11-13 12:58:40,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:40,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:40,496 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 12:58:40,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:40,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191427041] [2024-11-13 12:58:40,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191427041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:40,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298407331] [2024-11-13 12:58:40,496 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:58:40,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:40,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:40,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:40,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:58:40,543 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:58:40,544 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:58:40,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:58:40,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 12:58:40,598 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:58:40,703 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 44 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 12:58:40,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298407331] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:58:40,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:58:40,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-13 12:58:40,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208845573] [2024-11-13 12:58:40,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:58:40,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 12:58:40,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:40,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 12:58:40,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:58:40,706 INFO L87 Difference]: Start difference. First operand 370 states and 428 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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 12:58:40,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:40,771 INFO L93 Difference]: Finished difference Result 596 states and 691 transitions. [2024-11-13 12:58:40,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:58:40,772 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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 56 [2024-11-13 12:58:40,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:40,773 INFO L225 Difference]: With dead ends: 596 [2024-11-13 12:58:40,773 INFO L226 Difference]: Without dead ends: 248 [2024-11-13 12:58:40,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:58:40,775 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:40,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 54 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:58:40,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-13 12:58:40,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2024-11-13 12:58:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 246 states have (on average 1.1341463414634145) internal successors, (279), 247 states have internal predecessors, (279), 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 12:58:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 279 transitions. [2024-11-13 12:58:40,788 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 279 transitions. Word has length 56 [2024-11-13 12:58:40,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:40,788 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 279 transitions. [2024-11-13 12:58:40,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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 12:58:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 279 transitions. [2024-11-13 12:58:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 12:58:40,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:40,791 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 1, 1, 1] [2024-11-13 12:58:40,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 12:58:40,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:40,992 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:58:40,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:40,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1896745975, now seen corresponding path program 3 times [2024-11-13 12:58:40,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:40,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523961622] [2024-11-13 12:58:40,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:40,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:41,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:41,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523961622] [2024-11-13 12:58:41,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523961622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:41,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566362610] [2024-11-13 12:58:41,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:58:41,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:41,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:41,473 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:41,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:58:41,547 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-13 12:58:41,547 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:58:41,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:58:41,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:41,731 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:41,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:58:42,292 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:42,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566362610] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:58:42,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:58:42,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-11-13 12:58:42,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112864400] [2024-11-13 12:58:42,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:58:42,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-13 12:58:42,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:42,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-13 12:58:42,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-13 12:58:42,295 INFO L87 Difference]: Start difference. First operand 248 states and 279 transitions. Second operand has 32 states, 31 states have (on average 5.774193548387097) internal successors, (179), 32 states have internal predecessors, (179), 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 12:58:42,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:42,665 INFO L93 Difference]: Finished difference Result 2229 states and 2600 transitions. [2024-11-13 12:58:42,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 12:58:42,666 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.774193548387097) internal successors, (179), 32 states have internal predecessors, (179), 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 90 [2024-11-13 12:58:42,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:42,674 INFO L225 Difference]: With dead ends: 2229 [2024-11-13 12:58:42,674 INFO L226 Difference]: Without dead ends: 2228 [2024-11-13 12:58:42,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-13 12:58:42,676 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 185 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:42,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 186 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 12:58:42,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2024-11-13 12:58:42,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 950. [2024-11-13 12:58:42,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 948 states have (on average 1.1645569620253164) internal successors, (1104), 949 states have internal predecessors, (1104), 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 12:58:42,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1104 transitions. [2024-11-13 12:58:42,745 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1104 transitions. Word has length 90 [2024-11-13 12:58:42,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:42,745 INFO L471 AbstractCegarLoop]: Abstraction has 950 states and 1104 transitions. [2024-11-13 12:58:42,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.774193548387097) internal successors, (179), 32 states have internal predecessors, (179), 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 12:58:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1104 transitions. [2024-11-13 12:58:42,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 12:58:42,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:42,747 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 10, 10, 10, 5, 5, 5, 1, 1, 1] [2024-11-13 12:58:42,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 12:58:42,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 12:58:42,951 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 12:58:42,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:42,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1201376087, now seen corresponding path program 3 times [2024-11-13 12:58:42,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:42,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994393355] [2024-11-13 12:58:42,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:42,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:43,244 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 188 proven. 290 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 12:58:43,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:43,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994393355] [2024-11-13 12:58:43,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994393355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:43,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561631076] [2024-11-13 12:58:43,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:58:43,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:43,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:43,247 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:43,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:58:43,313 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-13 12:58:43,314 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:58:43,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:58:43,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 252 proven. 94 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-13 12:58:43,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:58:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 252 proven. 94 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-13 12:58:43,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561631076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:58:43,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:58:43,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 27 [2024-11-13 12:58:43,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34639927] [2024-11-13 12:58:43,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:58:43,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 12:58:43,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:43,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 12:58:43,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-11-13 12:58:43,757 INFO L87 Difference]: Start difference. First operand 950 states and 1104 transitions. Second operand has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 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 12:58:43,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:43,969 INFO L93 Difference]: Finished difference Result 2484 states and 3010 transitions. [2024-11-13 12:58:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:58:43,970 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 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 92 [2024-11-13 12:58:43,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:43,976 INFO L225 Difference]: With dead ends: 2484 [2024-11-13 12:58:43,976 INFO L226 Difference]: Without dead ends: 1592 [2024-11-13 12:58:43,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-11-13 12:58:43,979 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 23 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:43,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 95 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:58:43,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2024-11-13 12:58:44,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1592. [2024-11-13 12:58:44,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1590 states have (on average 1.1603773584905661) internal successors, (1845), 1591 states have internal predecessors, (1845), 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 12:58:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 1845 transitions. [2024-11-13 12:58:44,068 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 1845 transitions. Word has length 92 [2024-11-13 12:58:44,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:44,068 INFO L471 AbstractCegarLoop]: Abstraction has 1592 states and 1845 transitions. [2024-11-13 12:58:44,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 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 12:58:44,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1845 transitions. [2024-11-13 12:58:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 12:58:44,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:44,072 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 25, 14, 14, 14, 12, 12, 12, 1, 1, 1] [2024-11-13 12:58:44,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 12:58:44,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 12:58:44,273 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 12:58:44,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:44,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1256901428, now seen corresponding path program 4 times [2024-11-13 12:58:44,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:44,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974101925] [2024-11-13 12:58:44,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:44,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-13 12:58:44,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:44,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974101925] [2024-11-13 12:58:44,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974101925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:44,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024701765] [2024-11-13 12:58:44,732 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:58:44,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:44,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:44,734 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:44,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:58:44,814 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:58:44,814 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:58:44,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 12:58:44,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-13 12:58:44,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:58:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 674 proven. 420 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-13 12:58:45,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024701765] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:58:45,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:58:45,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 28 [2024-11-13 12:58:45,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876705736] [2024-11-13 12:58:45,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:58:45,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 12:58:45,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:45,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 12:58:45,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2024-11-13 12:58:45,384 INFO L87 Difference]: Start difference. First operand 1592 states and 1845 transitions. Second operand has 28 states, 28 states have (on average 5.642857142857143) internal successors, (158), 28 states have internal predecessors, (158), 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 12:58:45,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:45,557 INFO L93 Difference]: Finished difference Result 2480 states and 2880 transitions. [2024-11-13 12:58:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 12:58:45,557 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.642857142857143) internal successors, (158), 28 states have internal predecessors, (158), 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 158 [2024-11-13 12:58:45,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:45,562 INFO L225 Difference]: With dead ends: 2480 [2024-11-13 12:58:45,562 INFO L226 Difference]: Without dead ends: 958 [2024-11-13 12:58:45,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2024-11-13 12:58:45,564 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:45,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 103 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:58:45,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-13 12:58:45,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2024-11-13 12:58:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 956 states have (on average 1.141213389121339) internal successors, (1091), 957 states have internal predecessors, (1091), 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 12:58:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1091 transitions. [2024-11-13 12:58:45,613 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1091 transitions. Word has length 158 [2024-11-13 12:58:45,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:45,613 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1091 transitions. [2024-11-13 12:58:45,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.642857142857143) internal successors, (158), 28 states have internal predecessors, (158), 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 12:58:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1091 transitions. [2024-11-13 12:58:45,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-13 12:58:45,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:45,616 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 1, 1, 1] [2024-11-13 12:58:45,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 12:58:45,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 12:58:45,820 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:58:45,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:45,821 INFO L85 PathProgramCache]: Analyzing trace with hash 937046137, now seen corresponding path program 4 times [2024-11-13 12:58:45,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:45,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599769358] [2024-11-13 12:58:45,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:45,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:46,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:46,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599769358] [2024-11-13 12:58:46,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599769358] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:46,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980180808] [2024-11-13 12:58:46,986 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:58:46,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:46,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:46,988 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:46,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:58:47,072 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:58:47,073 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:58:47,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 12:58:47,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:47,376 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:58:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:49,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980180808] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:58:49,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:58:49,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2024-11-13 12:58:49,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794321929] [2024-11-13 12:58:49,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:58:49,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-13 12:58:49,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:49,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-13 12:58:49,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-13 12:58:49,179 INFO L87 Difference]: Start difference. First operand 958 states and 1091 transitions. Second operand has 64 states, 63 states have (on average 5.888888888888889) internal successors, (371), 64 states have internal predecessors, (371), 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 12:58:50,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:50,226 INFO L93 Difference]: Finished difference Result 16031 states and 18695 transitions. [2024-11-13 12:58:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-13 12:58:50,227 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.888888888888889) internal successors, (371), 64 states have internal predecessors, (371), 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 12:58:50,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:50,282 INFO L225 Difference]: With dead ends: 16031 [2024-11-13 12:58:50,283 INFO L226 Difference]: Without dead ends: 16030 [2024-11-13 12:58:50,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-13 12:58:50,288 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 326 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:50,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 395 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 12:58:50,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16030 states. [2024-11-13 12:58:50,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16030 to 4492. [2024-11-13 12:58:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4492 states, 4490 states have (on average 1.1636971046770601) internal successors, (5225), 4491 states have internal predecessors, (5225), 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 12:58:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4492 states to 4492 states and 5225 transitions. [2024-11-13 12:58:50,750 INFO L78 Accepts]: Start accepts. Automaton has 4492 states and 5225 transitions. Word has length 186 [2024-11-13 12:58:50,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:50,751 INFO L471 AbstractCegarLoop]: Abstraction has 4492 states and 5225 transitions. [2024-11-13 12:58:50,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.888888888888889) internal successors, (371), 64 states have internal predecessors, (371), 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 12:58:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 4492 states and 5225 transitions. [2024-11-13 12:58:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-13 12:58:50,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:50,760 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 39, 26, 26, 26, 14, 14, 14, 1, 1, 1] [2024-11-13 12:58:50,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 12:58:50,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:50,961 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:58:50,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:50,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1907074514, now seen corresponding path program 5 times [2024-11-13 12:58:50,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:50,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93244154] [2024-11-13 12:58:50,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:50,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-13 12:58:52,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:52,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93244154] [2024-11-13 12:58:52,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93244154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:52,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67158168] [2024-11-13 12:58:52,164 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 12:58:52,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:52,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:52,166 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:52,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 12:58:52,287 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2024-11-13 12:58:52,287 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:58:52,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 12:58:52,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-13 12:58:52,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:58:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3952 backedges. 1430 proven. 2002 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-13 12:58:53,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67158168] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:58:53,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:58:53,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 53 [2024-11-13 12:58:53,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214873545] [2024-11-13 12:58:53,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:58:53,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-13 12:58:53,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:53,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-13 12:58:53,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2024-11-13 12:58:53,764 INFO L87 Difference]: Start difference. First operand 4492 states and 5225 transitions. Second operand has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 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 12:58:54,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:54,067 INFO L93 Difference]: Finished difference Result 6854 states and 7985 transitions. [2024-11-13 12:58:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 12:58:54,068 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 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 242 [2024-11-13 12:58:54,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:54,077 INFO L225 Difference]: With dead ends: 6854 [2024-11-13 12:58:54,077 INFO L226 Difference]: Without dead ends: 2516 [2024-11-13 12:58:54,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 457 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2024-11-13 12:58:54,083 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:54,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 176 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 12:58:54,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2024-11-13 12:58:54,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2024-11-13 12:58:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 2514 states have (on average 1.1491646778042959) internal successors, (2889), 2515 states have internal predecessors, (2889), 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 12:58:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 2889 transitions. [2024-11-13 12:58:54,164 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 2889 transitions. Word has length 242 [2024-11-13 12:58:54,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:54,165 INFO L471 AbstractCegarLoop]: Abstraction has 2516 states and 2889 transitions. [2024-11-13 12:58:54,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 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 12:58:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2889 transitions. [2024-11-13 12:58:54,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-13 12:58:54,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:54,172 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 62, 62, 62, 1, 1, 1] [2024-11-13 12:58:54,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 12:58:54,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:54,373 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 12:58:54,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:54,373 INFO L85 PathProgramCache]: Analyzing trace with hash 967764313, now seen corresponding path program 5 times [2024-11-13 12:58:54,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:54,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789169463] [2024-11-13 12:58:54,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:54,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 0 proven. 11594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:58:58,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:58,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789169463] [2024-11-13 12:58:58,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789169463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:58:58,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880710245] [2024-11-13 12:58:58,357 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 12:58:58,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:58,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:58,359 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:58,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 12:58:58,558 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-11-13 12:58:58,558 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:58:58,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-13 12:58:58,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:59:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 11594 backedges. 11242 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-13 12:59:01,780 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:59:01,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880710245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:01,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:59:01,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [64] total 117 [2024-11-13 12:59:01,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261002457] [2024-11-13 12:59:01,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:01,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-13 12:59:01,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:01,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-13 12:59:01,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3510, Invalid=10062, Unknown=0, NotChecked=0, Total=13572 [2024-11-13 12:59:01,786 INFO L87 Difference]: Start difference. First operand 2516 states and 2889 transitions. Second operand has 54 states, 54 states have (on average 5.87037037037037) internal successors, (317), 54 states have internal predecessors, (317), 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 12:59:02,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:02,391 INFO L93 Difference]: Finished difference Result 2643 states and 3043 transitions. [2024-11-13 12:59:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:59:02,392 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 5.87037037037037) internal successors, (317), 54 states have internal predecessors, (317), 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 378 [2024-11-13 12:59:02,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:02,394 INFO L225 Difference]: With dead ends: 2643 [2024-11-13 12:59:02,394 INFO L226 Difference]: Without dead ends: 431 [2024-11-13 12:59:02,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3224 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=3510, Invalid=10062, Unknown=0, NotChecked=0, Total=13572 [2024-11-13 12:59:02,399 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 10 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 12:59:02,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 717 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 12:59:02,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-13 12:59:02,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 393. [2024-11-13 12:59:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 392 states have (on average 1.0025510204081634) internal successors, (393), 392 states have internal predecessors, (393), 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 12:59:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 393 transitions. [2024-11-13 12:59:02,412 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 393 transitions. Word has length 378 [2024-11-13 12:59:02,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:02,413 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 393 transitions. [2024-11-13 12:59:02,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.87037037037037) internal successors, (317), 54 states have internal predecessors, (317), 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 12:59:02,413 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 393 transitions. [2024-11-13 12:59:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-13 12:59:02,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:02,419 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 64, 51, 51, 51, 14, 14, 14, 1, 1, 1] [2024-11-13 12:59:02,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 12:59:02,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 12:59:02,623 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 12:59:02,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2017553667, now seen corresponding path program 6 times [2024-11-13 12:59:02,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:02,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642857738] [2024-11-13 12:59:02,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:02,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 0 proven. 11052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:06,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:06,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642857738] [2024-11-13 12:59:06,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642857738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:59:06,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289721350] [2024-11-13 12:59:06,313 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 12:59:06,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:06,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:06,317 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:59:06,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 12:59:06,432 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2024-11-13 12:59:06,432 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:59:06,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:59:06,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:59:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 3028 proven. 574 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2024-11-13 12:59:06,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:59:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11052 backedges. 3028 proven. 574 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2024-11-13 12:59:07,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289721350] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:59:07,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:59:07,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 16, 16] total 81 [2024-11-13 12:59:07,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657947487] [2024-11-13 12:59:07,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:59:07,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-11-13 12:59:07,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:07,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-11-13 12:59:07,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2024-11-13 12:59:07,543 INFO L87 Difference]: Start difference. First operand 393 states and 393 transitions. Second operand has 82 states, 81 states have (on average 6.037037037037037) internal successors, (489), 82 states have internal predecessors, (489), 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 12:59:08,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:08,160 INFO L93 Difference]: Finished difference Result 490 states and 505 transitions. [2024-11-13 12:59:08,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-13 12:59:08,161 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 81 states have (on average 6.037037037037037) internal successors, (489), 82 states have internal predecessors, (489), 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 392 [2024-11-13 12:59:08,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:08,164 INFO L225 Difference]: With dead ends: 490 [2024-11-13 12:59:08,164 INFO L226 Difference]: Without dead ends: 489 [2024-11-13 12:59:08,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 848 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2024-11-13 12:59:08,166 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 12:59:08,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 266 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 12:59:08,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-13 12:59:08,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-13 12:59:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 488 states have (on average 1.0020491803278688) internal successors, (489), 488 states have internal predecessors, (489), 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 12:59:08,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 489 transitions. [2024-11-13 12:59:08,199 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 489 transitions. Word has length 392 [2024-11-13 12:59:08,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:08,200 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 489 transitions. [2024-11-13 12:59:08,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 81 states have (on average 6.037037037037037) internal successors, (489), 82 states have internal predecessors, (489), 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 12:59:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 489 transitions. [2024-11-13 12:59:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2024-11-13 12:59:08,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:08,210 INFO L215 NwaCegarLoop]: trace histogram [81, 81, 80, 51, 51, 51, 30, 30, 30, 1, 1, 1] [2024-11-13 12:59:08,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 12:59:08,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:08,415 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 12:59:08,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:08,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1802855475, now seen corresponding path program 7 times [2024-11-13 12:59:08,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:08,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910636555] [2024-11-13 12:59:08,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:08,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:12,983 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:12,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:12,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910636555] [2024-11-13 12:59:12,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910636555] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:59:12,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144370542] [2024-11-13 12:59:12,984 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 12:59:12,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:12,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:12,986 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:59:12,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 12:59:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:13,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-13 12:59:13,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:59:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:13,808 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:59:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 16380 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:22,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144370542] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:59:22,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:59:22,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 82, 82] total 163 [2024-11-13 12:59:22,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056098019] [2024-11-13 12:59:22,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:59:22,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2024-11-13 12:59:22,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:22,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2024-11-13 12:59:22,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2024-11-13 12:59:22,296 INFO L87 Difference]: Start difference. First operand 489 states and 489 transitions. Second operand has 164 states, 163 states have (on average 5.9815950920245395) internal successors, (975), 164 states have internal predecessors, (975), 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 12:59:25,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:59:25,211 INFO L93 Difference]: Finished difference Result 982 states and 1063 transitions. [2024-11-13 12:59:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-11-13 12:59:25,212 INFO L78 Accepts]: Start accepts. Automaton has has 164 states, 163 states have (on average 5.9815950920245395) internal successors, (975), 164 states have internal predecessors, (975), 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 488 [2024-11-13 12:59:25,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:59:25,216 INFO L225 Difference]: With dead ends: 982 [2024-11-13 12:59:25,216 INFO L226 Difference]: Without dead ends: 981 [2024-11-13 12:59:25,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1056 GetRequests, 894 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2024-11-13 12:59:25,221 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 579 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 12:59:25,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 514 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 12:59:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-13 12:59:25,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 981. [2024-11-13 12:59:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 980 states have (on average 1.0010204081632652) internal successors, (981), 980 states have internal predecessors, (981), 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 12:59:25,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 981 transitions. [2024-11-13 12:59:25,258 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 981 transitions. Word has length 488 [2024-11-13 12:59:25,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:59:25,259 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 981 transitions. [2024-11-13 12:59:25,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 163 states have (on average 5.9815950920245395) internal successors, (975), 164 states have internal predecessors, (975), 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 12:59:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 981 transitions. [2024-11-13 12:59:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2024-11-13 12:59:25,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:59:25,269 INFO L215 NwaCegarLoop]: trace histogram [163, 163, 162, 112, 112, 112, 51, 51, 51, 1, 1, 1] [2024-11-13 12:59:25,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 12:59:25,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 12:59:25,473 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 12:59:25,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:25,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1980156279, now seen corresponding path program 8 times [2024-11-13 12:59:25,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:25,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099424917] [2024-11-13 12:59:25,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:25,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 0 proven. 67794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:47,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:47,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099424917] [2024-11-13 12:59:47,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099424917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:59:47,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638860560] [2024-11-13 12:59:47,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:59:47,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:47,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:47,857 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:59:47,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 12:59:48,158 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:59:48,158 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:59:48,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 1635 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-11-13 12:59:48,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:59:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 44279 proven. 12752 refuted. 0 times theorem prover too weak. 10763 trivial. 0 not checked. [2024-11-13 12:59:53,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:00:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 67794 backedges. 44279 proven. 12752 refuted. 0 times theorem prover too weak. 10763 trivial. 0 not checked. [2024-11-13 13:00:04,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638860560] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:00:04,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:00:04,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [164, 55, 55] total 218 [2024-11-13 13:00:04,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987106075] [2024-11-13 13:00:04,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:00:04,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2024-11-13 13:00:04,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:04,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2024-11-13 13:00:04,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15014, Invalid=32292, Unknown=0, NotChecked=0, Total=47306 [2024-11-13 13:00:04,085 INFO L87 Difference]: Start difference. First operand 981 states and 981 transitions. Second operand has 218 states, 218 states have (on average 6.678899082568807) internal successors, (1456), 218 states have internal predecessors, (1456), 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 13:00:21,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:00:21,376 INFO L93 Difference]: Finished difference Result 981 states and 981 transitions. [2024-11-13 13:00:21,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2024-11-13 13:00:21,377 INFO L78 Accepts]: Start accepts. Automaton has has 218 states, 218 states have (on average 6.678899082568807) internal successors, (1456), 218 states have internal predecessors, (1456), 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 980 [2024-11-13 13:00:21,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:00:21,379 INFO L225 Difference]: With dead ends: 981 [2024-11-13 13:00:21,379 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 13:00:21,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2329 GetRequests, 1802 SyntacticMatches, 104 SemanticMatches, 423 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49965 ImplicationChecksByTransitivity, 37.7s TimeCoverageRelationStatistics Valid=54683, Invalid=125517, Unknown=0, NotChecked=0, Total=180200 [2024-11-13 13:00:21,396 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2922 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 2922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:00:21,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 2922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2922 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:00:21,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 13:00:21,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 13:00:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:00:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 13:00:21,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 980 [2024-11-13 13:00:21,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:00:21,399 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:00:21,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 218 states, 218 states have (on average 6.678899082568807) internal successors, (1456), 218 states have internal predecessors, (1456), 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 13:00:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:00:21,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 13:00:21,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-13 13:00:21,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-13 13:00:21,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-13 13:00:21,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-13 13:00:21,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-13 13:00:21,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-13 13:00:21,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 13:00:21,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 13:00:21,613 INFO L407 BasicCegarLoop]: Path program histogram: [8, 5, 1, 1, 1, 1, 1] [2024-11-13 13:00:21,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 13:00:24,317 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:00:24,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:00:24 BoogieIcfgContainer [2024-11-13 13:00:24,373 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:00:24,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:00:24,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:00:24,374 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:00:24,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:36" (3/4) ... [2024-11-13 13:00:24,378 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:00:24,391 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 13:00:24,391 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:00:24,391 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 13:00:24,473 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:00:24,473 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:00:24,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:00:24,474 INFO L158 Benchmark]: Toolchain (without parser) took 108406.69ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 94.1MB in the beginning and 791.5MB in the end (delta: -697.5MB). Peak memory consumption was 701.2MB. Max. memory is 16.1GB. [2024-11-13 13:00:24,474 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:00:24,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.94ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 84.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:00:24,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.38ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 82.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:00:24,475 INFO L158 Benchmark]: Boogie Preprocessor took 30.03ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 82.2MB in the end (delta: 714.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:00:24,475 INFO L158 Benchmark]: RCFGBuilder took 244.22ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 73.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:00:24,476 INFO L158 Benchmark]: TraceAbstraction took 107772.90ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 72.6MB in the beginning and 799.9MB in the end (delta: -727.3MB). Peak memory consumption was 919.3MB. Max. memory is 16.1GB. [2024-11-13 13:00:24,476 INFO L158 Benchmark]: Witness Printer took 99.60ms. Allocated memory is still 1.5GB. Free memory was 799.9MB in the beginning and 791.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:00:24,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.94ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 84.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.38ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 82.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.03ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 82.2MB in the end (delta: 714.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 244.22ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 73.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 107772.90ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 72.6MB in the beginning and 799.9MB in the end (delta: -727.3MB). Peak memory consumption was 919.3MB. Max. memory is 16.1GB. * Witness Printer took 99.60ms. Allocated memory is still 1.5GB. Free memory was 799.9MB in the beginning and 791.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 104.9s, OverallIterations: 18, TraceHistogramMax: 163, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.1s, AutomataDifference: 24.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1278 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1278 mSDsluCounter, 2773 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2398 mSDsCounter, 246 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5663 IncrementalHoareTripleChecker+Invalid, 5909 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 246 mSolverCounterUnsat, 375 mSDtfsCounter, 5663 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6630 GetRequests, 5497 SyntacticMatches, 107 SemanticMatches, 1026 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53298 ImplicationChecksByTransitivity, 60.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4492occurred in iteration=13, InterpolantAutomatonStates: 778, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 18 MinimizatonAttempts, 13063 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 74.0s InterpolantComputationTime, 6331 NumberOfCodeBlocks, 6151 NumberOfCodeBlocksAsserted, 173 NumberOfCheckSat, 9062 ConstructedInterpolants, 0 QuantifiedInterpolants, 22898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4976 ConjunctsInSsa, 379 ConjunctsInUnsatCore, 45 InterpolantComputations, 5 PerfectInterpolantSequences, 153586/338110 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((51 <= x) && (x <= 83)) && (y <= 19)) || (((51 <= x) && (x <= 52)) && (y <= 50))) || ((x == 50) && (y <= 50))) || (((y <= 6) && (x <= 96)) && (51 <= x))) || ((31 == x) && (y <= 31))) || (((x <= 70) && (y <= 32)) && (51 <= x))) || ((y <= 40) && (40 == x))) || (((y <= 44) && (51 <= x)) && (x <= 58))) || ((x == 11) && (y <= 11))) || (((51 <= x) && (y <= 3)) && (x <= 99))) || ((x == 8) && (y <= 8))) || ((x == 36) && (y <= 36))) || ((x == 1) && (y <= 1))) || ((y <= 46) && (46 == x))) || (((y <= 2) && (x <= 100)) && (51 <= x))) || ((y <= 47) && (47 == x))) || (((x <= 60) && (y <= 42)) && (51 <= x))) || ((y <= 12) && (x == 12))) || ((x == 13) && (y <= 13))) || (((y <= 0) && (51 <= x)) && (x <= 102))) || (((x <= 72) && (y <= 30)) && (51 <= x))) || (((x <= 92) && (y <= 10)) && (51 <= x))) || ((2 == x) && (y <= 2))) || ((y <= 29) && (29 == x))) || (((y <= 9) && (51 <= x)) && (x <= 93))) || (((51 <= x) && (x <= 94)) && (y <= 8))) || ((x == 38) && (y <= 38))) || ((16 == x) && (y <= 16))) || (((y <= 37) && (51 <= x)) && (x <= 65))) || (((y <= 45) && (51 <= x)) && (x <= 57))) || (((x <= 66) && (51 <= x)) && (y <= 36))) || (((x <= 75) && (y <= 27)) && (51 <= x))) || ((y <= 7) && (7 == x))) || ((y <= 39) && (x == 39))) || ((y <= 25) && (x == 25))) || ((5 == x) && (y <= 5))) || (((y <= 26) && (x <= 76)) && (51 <= x))) || ((x == 34) && (y <= 34))) || ((y <= 48) && (x == 48))) || (((y <= 14) && (51 <= x)) && (x <= 88))) || (((x <= 77) && (y <= 25)) && (51 <= x))) || (((y <= 24) && (x <= 78)) && (51 <= x))) || ((22 == x) && (y <= 22))) || ((y <= 15) && (x == 15))) || (((y <= 4) && (51 <= x)) && (x <= 98))) || (((x <= 89) && (51 <= x)) && (y <= 13))) || (((y <= 1) && (51 <= x)) && (x <= 101))) || ((y <= 6) && (6 == x))) || (((x <= 71) && (51 <= x)) && (y <= 31))) || ((y <= 28) && (x == 28))) || (((x <= 53) && (y <= 49)) && (51 <= x))) || ((19 == x) && (y <= 19))) || ((y <= 4) && (x == 4))) || ((y <= 24) && (x == 24))) || ((y <= 21) && (21 == x))) || ((3 == x) && (y <= 3))) || (((x <= 84) && (y <= 18)) && (51 <= x))) || (((x <= 82) && (y <= 20)) && (51 <= x))) || (((51 <= x) && (x <= 79)) && (y <= 23))) || (((x <= 68) && (51 <= x)) && (y <= 34))) || ((y <= 45) && (x == 45))) || ((y <= 42) && (42 == x))) || (((x <= 85) && (y <= 17)) && (51 <= x))) || ((y <= 17) && (x == 17))) || (((y <= 47) && (x <= 55)) && (51 <= x))) || ((y == 0) && (x == 0))) || ((y <= 33) && (x == 33))) || ((y <= 20) && (x == 20))) || ((y <= 10) && (x == 10))) || (((y <= 40) && (x <= 62)) && (51 <= x))) || (((y <= 28) && (x <= 74)) && (51 <= x))) || (((x <= 56) && (y <= 46)) && (51 <= x))) || (((x <= 86) && (51 <= x)) && (y <= 16))) || ((y <= 44) && (44 == x))) || (((51 <= x) && (y <= 22)) && (x <= 80))) || (((y <= 21) && (x <= 81)) && (51 <= x))) || ((y <= 27) && (x == 27))) || ((49 == x) && (y <= 49))) || (((y <= 33) && (51 <= x)) && (x <= 69))) || (((y <= 7) && (x <= 95)) && (51 <= x))) || (((y <= 43) && (51 <= x)) && (x <= 59))) || ((y <= 43) && (x == 43))) || ((41 == x) && (y <= 41))) || ((y <= 35) && (35 == x))) || ((32 == x) && (y <= 32))) || ((y <= 14) && (14 == x))) || (((y <= 48) && (x <= 54)) && (51 <= x))) || ((y <= 30) && (30 == x))) || ((23 == x) && (y <= 23))) || ((9 == x) && (y <= 9))) || (((y <= 5) && (51 <= x)) && (x <= 97))) || (((x <= 67) && (y <= 35)) && (51 <= x))) || (((((long) y + 1) <= 0) && (x <= 103)) && (51 <= x))) || ((y <= 37) && (x == 37))) || (((x <= 91) && (y <= 11)) && (51 <= x))) || (((x <= 90) && (y <= 12)) && (51 <= x))) || (((x <= 63) && (y <= 39)) && (51 <= x))) || (((x <= 64) && (y <= 38)) && (51 <= x))) || (((x <= 73) && (y <= 29)) && (51 <= x))) || ((y <= 26) && (x == 26))) || ((y <= 18) && (x == 18))) || ((51 == x) && (y <= 51))) || (((x <= 61) && (51 <= x)) && (y <= 41))) || (((y <= 15) && (x <= 87)) && (51 <= x))) RESULT: Ultimate proved your program to be correct! [2024-11-13 13:00:24,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f4c8f-fc15-403d-853e-9b405ab206be/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE