./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/gcnr2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/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_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-lit/gcnr2008.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/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 32bit --witnessprinter.graph.data.programhash fdb248ef49e1ab3b05d5b0ae73a340b38ef25b27662d8a5cd45744a1950a5101 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:10:01,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:10:01,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 14:10:01,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:10:01,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:10:01,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:10:01,662 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:10:01,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:10:01,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:10:01,663 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:10:01,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:10:01,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:10:01,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:10:01,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:10:01,664 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:10:01,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:10:01,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:10:01,664 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:10:01,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:10:01,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:10:01,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:10:01,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:10:01,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:10:01,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:10:01,665 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:10:01,665 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:10:01,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:10:01,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:10:01,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:10:01,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:10:01,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:10:01,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:10:01,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:10:01,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:10:01,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:10:01,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:10:01,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:10:01,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:10:01,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:10:01,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:10:01,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:10:01,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:10:01,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:10:01,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:10:01,672 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_286fe44d-5c1f-41ee-8862-73c635b0401b/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdb248ef49e1ab3b05d5b0ae73a340b38ef25b27662d8a5cd45744a1950a5101 [2024-11-13 14:10:02,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:10:02,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:10:02,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:10:02,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:10:02,064 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:10:02,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loop-lit/gcnr2008.i Unable to find full path for "g++" [2024-11-13 14:10:04,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:10:04,358 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:10:04,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/sv-benchmarks/c/loop-lit/gcnr2008.i [2024-11-13 14:10:04,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/data/4a6adf7c4/99c0f59fdee240a9a0825079a8746889/FLAGae67f3609 [2024-11-13 14:10:04,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/data/4a6adf7c4/99c0f59fdee240a9a0825079a8746889 [2024-11-13 14:10:04,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:10:04,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:10:04,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:10:04,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:10:04,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:10:04,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54fe8933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04, skipping insertion in model container [2024-11-13 14:10:04,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:10:04,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:10:04,657 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:10:04,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:10:04,708 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:10:04,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04 WrapperNode [2024-11-13 14:10:04,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:10:04,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:10:04,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:10:04,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:10:04,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,753 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-11-13 14:10:04,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:10:04,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:10:04,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:10:04,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:10:04,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,766 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,781 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:10:04,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:10:04,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:10:04,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:10:04,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:10:04,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (1/1) ... [2024-11-13 14:10:04,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:10:04,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:04,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:10:04,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:10:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:10:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:10:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:10:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:10:04,945 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:10:04,948 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:10:05,198 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 14:10:05,198 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:10:05,210 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:10:05,211 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:10:05,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:10:05 BoogieIcfgContainer [2024-11-13 14:10:05,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:10:05,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:10:05,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:10:05,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:10:05,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:10:04" (1/3) ... [2024-11-13 14:10:05,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4babe345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:10:05, skipping insertion in model container [2024-11-13 14:10:05,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:10:04" (2/3) ... [2024-11-13 14:10:05,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4babe345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:10:05, skipping insertion in model container [2024-11-13 14:10:05,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:10:05" (3/3) ... [2024-11-13 14:10:05,225 INFO L112 eAbstractionObserver]: Analyzing ICFG gcnr2008.i [2024-11-13 14:10:05,243 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:10:05,246 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG gcnr2008.i that has 1 procedures, 54 locations, 1 initial locations, 1 loop locations, and 18 error locations. [2024-11-13 14:10:05,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:10:05,350 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;@465e87c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:10:05,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-13 14:10:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 35 states have (on average 1.7714285714285714) internal successors, (62), 53 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 14:10:05,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 14:10:05,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:05,366 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 14:10:05,367 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:05,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:05,373 INFO L85 PathProgramCache]: Analyzing trace with hash 889540489, now seen corresponding path program 1 times [2024-11-13 14:10:05,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:05,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029926556] [2024-11-13 14:10:05,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:05,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:05,656 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 14:10:05,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:05,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029926556] [2024-11-13 14:10:05,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029926556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:05,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:05,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:10:05,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460265092] [2024-11-13 14:10:05,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:05,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:10:05,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:05,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:10:05,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:10:05,687 INFO L87 Difference]: Start difference. First operand has 54 states, 35 states have (on average 1.7714285714285714) internal successors, (62), 53 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) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:05,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:05,867 INFO L93 Difference]: Finished difference Result 128 states and 160 transitions. [2024-11-13 14:10:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:10:05,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-13 14:10:05,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:05,879 INFO L225 Difference]: With dead ends: 128 [2024-11-13 14:10:05,880 INFO L226 Difference]: Without dead ends: 67 [2024-11-13 14:10:05,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:10:05,893 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 67 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:05,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 70 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:10:05,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-13 14:10:05,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2024-11-13 14:10:05,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.6521739130434783) internal successors, (76), 60 states have internal predecessors, (76), 0 states have call successors, (0), 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 14:10:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2024-11-13 14:10:05,946 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 76 transitions. Word has length 6 [2024-11-13 14:10:05,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:05,946 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 76 transitions. [2024-11-13 14:10:05,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2024-11-13 14:10:05,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 14:10:05,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:05,947 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:05,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:10:05,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:05,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:05,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1805961905, now seen corresponding path program 1 times [2024-11-13 14:10:05,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:05,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020101292] [2024-11-13 14:10:05,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:05,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:06,057 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 14:10:06,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:06,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020101292] [2024-11-13 14:10:06,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020101292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:06,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:06,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:10:06,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703651615] [2024-11-13 14:10:06,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:06,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:10:06,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:06,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:10:06,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:10:06,062 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:06,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:06,174 INFO L93 Difference]: Finished difference Result 84 states and 105 transitions. [2024-11-13 14:10:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:10:06,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 14:10:06,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:06,177 INFO L225 Difference]: With dead ends: 84 [2024-11-13 14:10:06,177 INFO L226 Difference]: Without dead ends: 78 [2024-11-13 14:10:06,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:10:06,180 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 75 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:06,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 59 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:10:06,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-13 14:10:06,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-13 14:10:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 65 states have (on average 1.4615384615384615) internal successors, (95), 77 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 95 transitions. [2024-11-13 14:10:06,200 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 95 transitions. Word has length 7 [2024-11-13 14:10:06,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:06,201 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 95 transitions. [2024-11-13 14:10:06,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2024-11-13 14:10:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 14:10:06,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:06,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:06,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:10:06,202 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:06,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:06,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1659032055, now seen corresponding path program 1 times [2024-11-13 14:10:06,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:06,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598386956] [2024-11-13 14:10:06,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:06,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:06,322 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 14:10:06,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:06,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598386956] [2024-11-13 14:10:06,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598386956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:06,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:06,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:10:06,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899491605] [2024-11-13 14:10:06,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:06,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:10:06,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:06,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:10:06,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:10:06,325 INFO L87 Difference]: Start difference. First operand 78 states and 95 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:06,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:06,392 INFO L93 Difference]: Finished difference Result 80 states and 98 transitions. [2024-11-13 14:10:06,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:10:06,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 14:10:06,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:06,393 INFO L225 Difference]: With dead ends: 80 [2024-11-13 14:10:06,393 INFO L226 Difference]: Without dead ends: 79 [2024-11-13 14:10:06,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:10:06,395 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 83 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:06,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 101 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:10:06,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-13 14:10:06,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2024-11-13 14:10:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 76 states have internal predecessors, (93), 0 states have call successors, (0), 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 14:10:06,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 93 transitions. [2024-11-13 14:10:06,404 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 93 transitions. Word has length 10 [2024-11-13 14:10:06,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:06,404 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 93 transitions. [2024-11-13 14:10:06,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:06,405 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2024-11-13 14:10:06,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 14:10:06,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:06,405 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:06,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:10:06,406 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:06,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:06,406 INFO L85 PathProgramCache]: Analyzing trace with hash 109613952, now seen corresponding path program 1 times [2024-11-13 14:10:06,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:06,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417259454] [2024-11-13 14:10:06,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:06,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:06,652 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 14:10:06,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:06,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417259454] [2024-11-13 14:10:06,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417259454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:06,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:06,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:10:06,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267251882] [2024-11-13 14:10:06,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:06,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:10:06,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:06,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:10:06,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:10:06,654 INFO L87 Difference]: Start difference. First operand 77 states and 93 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:06,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:06,770 INFO L93 Difference]: Finished difference Result 85 states and 102 transitions. [2024-11-13 14:10:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:10:06,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-13 14:10:06,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:06,772 INFO L225 Difference]: With dead ends: 85 [2024-11-13 14:10:06,772 INFO L226 Difference]: Without dead ends: 83 [2024-11-13 14:10:06,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:10:06,773 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 20 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:06,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 114 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:10:06,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-13 14:10:06,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-13 14:10:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 82 states have internal predecessors, (99), 0 states have call successors, (0), 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 14:10:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2024-11-13 14:10:06,792 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 11 [2024-11-13 14:10:06,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:06,793 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2024-11-13 14:10:06,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-11-13 14:10:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 14:10:06,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:06,794 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:06,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:10:06,794 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:06,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:06,799 INFO L85 PathProgramCache]: Analyzing trace with hash -411708166, now seen corresponding path program 1 times [2024-11-13 14:10:06,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:06,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879453629] [2024-11-13 14:10:06,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:06,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:06,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:06,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879453629] [2024-11-13 14:10:06,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879453629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:06,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258797281] [2024-11-13 14:10:06,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:06,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:06,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:06,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:06,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:10:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:07,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:10:07,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:07,136 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:07,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258797281] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:10:07,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:10:07,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2024-11-13 14:10:07,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133266372] [2024-11-13 14:10:07,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:10:07,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:10:07,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:07,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:10:07,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:10:07,206 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 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 14:10:07,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:07,351 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2024-11-13 14:10:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:10:07,352 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 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 17 [2024-11-13 14:10:07,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:07,353 INFO L225 Difference]: With dead ends: 231 [2024-11-13 14:10:07,356 INFO L226 Difference]: Without dead ends: 227 [2024-11-13 14:10:07,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:10:07,357 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 232 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:07,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 184 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:10:07,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-13 14:10:07,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 201. [2024-11-13 14:10:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 189 states have (on average 1.417989417989418) internal successors, (268), 200 states have internal predecessors, (268), 0 states have call successors, (0), 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 14:10:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 268 transitions. [2024-11-13 14:10:07,390 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 268 transitions. Word has length 17 [2024-11-13 14:10:07,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:07,390 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 268 transitions. [2024-11-13 14:10:07,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 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 14:10:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 268 transitions. [2024-11-13 14:10:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 14:10:07,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:07,391 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:07,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:10:07,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:07,591 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:07,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:07,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1572150748, now seen corresponding path program 1 times [2024-11-13 14:10:07,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:07,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154193603] [2024-11-13 14:10:07,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:07,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:07,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:07,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154193603] [2024-11-13 14:10:07,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154193603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:07,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858143036] [2024-11-13 14:10:07,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:07,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:07,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:07,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:07,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:10:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:07,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:10:07,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:07,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:07,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:07,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858143036] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:10:07,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:10:07,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-13 14:10:07,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141252197] [2024-11-13 14:10:07,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:10:07,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 14:10:07,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:07,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:10:07,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:10:07,933 INFO L87 Difference]: Start difference. First operand 201 states and 268 transitions. Second operand has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 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 14:10:08,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:08,191 INFO L93 Difference]: Finished difference Result 570 states and 762 transitions. [2024-11-13 14:10:08,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:10:08,191 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 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 14:10:08,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:08,193 INFO L225 Difference]: With dead ends: 570 [2024-11-13 14:10:08,193 INFO L226 Difference]: Without dead ends: 483 [2024-11-13 14:10:08,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:10:08,196 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 266 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:08,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 272 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:10:08,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-13 14:10:08,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 381. [2024-11-13 14:10:08,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 369 states have (on average 1.4146341463414633) internal successors, (522), 380 states have internal predecessors, (522), 0 states have call successors, (0), 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 14:10:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 522 transitions. [2024-11-13 14:10:08,242 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 522 transitions. Word has length 18 [2024-11-13 14:10:08,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:08,242 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 522 transitions. [2024-11-13 14:10:08,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 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 14:10:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 522 transitions. [2024-11-13 14:10:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 14:10:08,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:08,247 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:08,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 14:10:08,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 14:10:08,447 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:08,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:08,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1492032982, now seen corresponding path program 1 times [2024-11-13 14:10:08,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:08,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121074940] [2024-11-13 14:10:08,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:08,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:08,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:08,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121074940] [2024-11-13 14:10:08,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121074940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:08,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653362745] [2024-11-13 14:10:08,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:08,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:08,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:08,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:08,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:10:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:08,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:10:08,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:08,628 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:10:08,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653362745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:08,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:10:08,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2024-11-13 14:10:08,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351942263] [2024-11-13 14:10:08,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:08,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:10:08,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:08,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:10:08,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:10:08,630 INFO L87 Difference]: Start difference. First operand 381 states and 522 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:08,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:08,719 INFO L93 Difference]: Finished difference Result 791 states and 1096 transitions. [2024-11-13 14:10:08,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:10:08,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2024-11-13 14:10:08,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:08,724 INFO L225 Difference]: With dead ends: 791 [2024-11-13 14:10:08,724 INFO L226 Difference]: Without dead ends: 789 [2024-11-13 14:10:08,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:10:08,725 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 55 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 118 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 14:10:08,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 118 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:10:08,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-13 14:10:08,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 637. [2024-11-13 14:10:08,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 625 states have (on average 1.4032) internal successors, (877), 636 states have internal predecessors, (877), 0 states have call successors, (0), 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 14:10:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 877 transitions. [2024-11-13 14:10:08,764 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 877 transitions. Word has length 19 [2024-11-13 14:10:08,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:08,764 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 877 transitions. [2024-11-13 14:10:08,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 14:10:08,764 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 877 transitions. [2024-11-13 14:10:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 14:10:08,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:08,766 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-13 14:10:08,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 14:10:08,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 14:10:08,966 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:08,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:08,967 INFO L85 PathProgramCache]: Analyzing trace with hash 766695810, now seen corresponding path program 1 times [2024-11-13 14:10:08,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:08,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461240446] [2024-11-13 14:10:08,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:08,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:09,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:09,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461240446] [2024-11-13 14:10:09,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461240446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:09,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213259283] [2024-11-13 14:10:09,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:09,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:09,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:09,159 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:09,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:10:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:09,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:10:09,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:09,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:09,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213259283] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:10:09,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:10:09,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2024-11-13 14:10:09,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107507888] [2024-11-13 14:10:09,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:10:09,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:10:09,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:09,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:10:09,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=73, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:10:09,370 INFO L87 Difference]: Start difference. First operand 637 states and 877 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 14:10:09,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:09,586 INFO L93 Difference]: Finished difference Result 1164 states and 1581 transitions. [2024-11-13 14:10:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:10:09,587 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 14:10:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:09,591 INFO L225 Difference]: With dead ends: 1164 [2024-11-13 14:10:09,592 INFO L226 Difference]: Without dead ends: 1163 [2024-11-13 14:10:09,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=86, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:10:09,593 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 212 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:09,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 274 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:10:09,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2024-11-13 14:10:09,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1138. [2024-11-13 14:10:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1126 states have (on average 1.366785079928952) internal successors, (1539), 1137 states have internal predecessors, (1539), 0 states have call successors, (0), 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 14:10:09,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1539 transitions. [2024-11-13 14:10:09,665 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1539 transitions. Word has length 20 [2024-11-13 14:10:09,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:09,665 INFO L471 AbstractCegarLoop]: Abstraction has 1138 states and 1539 transitions. [2024-11-13 14:10:09,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 14:10:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1539 transitions. [2024-11-13 14:10:09,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 14:10:09,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:09,668 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:09,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 14:10:09,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-13 14:10:09,868 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:09,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:09,869 INFO L85 PathProgramCache]: Analyzing trace with hash -991617762, now seen corresponding path program 1 times [2024-11-13 14:10:09,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:09,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008323524] [2024-11-13 14:10:09,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:09,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:09,900 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 14:10:09,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:09,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008323524] [2024-11-13 14:10:09,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008323524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:09,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:09,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:10:09,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904433519] [2024-11-13 14:10:09,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:09,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:10:09,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:09,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:10:09,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:10:09,902 INFO L87 Difference]: Start difference. First operand 1138 states and 1539 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:09,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:09,961 INFO L93 Difference]: Finished difference Result 1354 states and 1776 transitions. [2024-11-13 14:10:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:10:09,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 14:10:09,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:09,967 INFO L225 Difference]: With dead ends: 1354 [2024-11-13 14:10:09,967 INFO L226 Difference]: Without dead ends: 1351 [2024-11-13 14:10:09,968 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 14:10:09,971 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 28 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:09,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 38 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:10:09,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-11-13 14:10:10,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1135. [2024-11-13 14:10:10,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1126 states have (on average 1.3126110124333925) internal successors, (1478), 1134 states have internal predecessors, (1478), 0 states have call successors, (0), 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 14:10:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1478 transitions. [2024-11-13 14:10:10,020 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1478 transitions. Word has length 20 [2024-11-13 14:10:10,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:10,022 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1478 transitions. [2024-11-13 14:10:10,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 14:10:10,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1478 transitions. [2024-11-13 14:10:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 14:10:10,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:10,023 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:10,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:10:10,023 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:10,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:10,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1259631603, now seen corresponding path program 1 times [2024-11-13 14:10:10,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:10,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631971379] [2024-11-13 14:10:10,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:10,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:10,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 14:10:10,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:10,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631971379] [2024-11-13 14:10:10,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631971379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:10,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:10,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:10:10,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340621946] [2024-11-13 14:10:10,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:10,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:10:10,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:10,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:10:10,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:10:10,061 INFO L87 Difference]: Start difference. First operand 1135 states and 1478 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 14:10:10,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:10,097 INFO L93 Difference]: Finished difference Result 2162 states and 2847 transitions. [2024-11-13 14:10:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:10:10,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-13 14:10:10,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:10,102 INFO L225 Difference]: With dead ends: 2162 [2024-11-13 14:10:10,102 INFO L226 Difference]: Without dead ends: 1139 [2024-11-13 14:10:10,105 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 14:10:10,105 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:10,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:10:10,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2024-11-13 14:10:10,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1139. [2024-11-13 14:10:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1130 states have (on average 1.2920353982300885) internal successors, (1460), 1138 states have internal predecessors, (1460), 0 states have call successors, (0), 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 14:10:10,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1460 transitions. [2024-11-13 14:10:10,146 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1460 transitions. Word has length 23 [2024-11-13 14:10:10,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:10,146 INFO L471 AbstractCegarLoop]: Abstraction has 1139 states and 1460 transitions. [2024-11-13 14:10:10,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 14:10:10,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1460 transitions. [2024-11-13 14:10:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 14:10:10,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:10,148 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:10,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:10:10,148 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:10,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:10,149 INFO L85 PathProgramCache]: Analyzing trace with hash 495404689, now seen corresponding path program 1 times [2024-11-13 14:10:10,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:10,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112362186] [2024-11-13 14:10:10,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:10,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:10,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:10,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112362186] [2024-11-13 14:10:10,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112362186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:10,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599280419] [2024-11-13 14:10:10,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:10,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:10,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:10,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:10,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:10:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:10,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:10:10,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:10,354 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:10,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599280419] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:10,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:10:10,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3, 4] total 9 [2024-11-13 14:10:10,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196178086] [2024-11-13 14:10:10,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:10,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:10:10,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:10,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:10:10,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:10:10,475 INFO L87 Difference]: Start difference. First operand 1139 states and 1460 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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 14:10:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:10,564 INFO L93 Difference]: Finished difference Result 1793 states and 2282 transitions. [2024-11-13 14:10:10,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:10:10,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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) Word has length 25 [2024-11-13 14:10:10,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:10,573 INFO L225 Difference]: With dead ends: 1793 [2024-11-13 14:10:10,574 INFO L226 Difference]: Without dead ends: 1792 [2024-11-13 14:10:10,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:10:10,575 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 24 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:10,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 93 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:10:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2024-11-13 14:10:10,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1720. [2024-11-13 14:10:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1711 states have (on average 1.2764465225014612) internal successors, (2184), 1719 states have internal predecessors, (2184), 0 states have call successors, (0), 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 14:10:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2184 transitions. [2024-11-13 14:10:10,639 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2184 transitions. Word has length 25 [2024-11-13 14:10:10,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:10,640 INFO L471 AbstractCegarLoop]: Abstraction has 1720 states and 2184 transitions. [2024-11-13 14:10:10,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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 14:10:10,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2184 transitions. [2024-11-13 14:10:10,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 14:10:10,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:10,641 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:10,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 14:10:10,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 14:10:10,842 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:10,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:10,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1268525026, now seen corresponding path program 1 times [2024-11-13 14:10:10,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:10,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639287082] [2024-11-13 14:10:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:10,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 14:10:10,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:10,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639287082] [2024-11-13 14:10:10,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639287082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:10,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938696754] [2024-11-13 14:10:10,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:10,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:10,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:10,912 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:10,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 14:10:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:10,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:10:10,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:11,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:11,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938696754] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:11,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:10:11,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 6] total 11 [2024-11-13 14:10:11,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741383955] [2024-11-13 14:10:11,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:11,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:10:11,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:11,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:10:11,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:10:11,261 INFO L87 Difference]: Start difference. First operand 1720 states and 2184 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 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 14:10:11,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:11,419 INFO L93 Difference]: Finished difference Result 2675 states and 3428 transitions. [2024-11-13 14:10:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:10:11,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 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 35 [2024-11-13 14:10:11,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:11,428 INFO L225 Difference]: With dead ends: 2675 [2024-11-13 14:10:11,429 INFO L226 Difference]: Without dead ends: 2060 [2024-11-13 14:10:11,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:10:11,431 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 42 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:11,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 144 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:10:11,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2024-11-13 14:10:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 1903. [2024-11-13 14:10:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1903 states, 1894 states have (on average 1.2824709609292502) internal successors, (2429), 1902 states have internal predecessors, (2429), 0 states have call successors, (0), 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 14:10:11,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2429 transitions. [2024-11-13 14:10:11,502 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2429 transitions. Word has length 35 [2024-11-13 14:10:11,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:11,503 INFO L471 AbstractCegarLoop]: Abstraction has 1903 states and 2429 transitions. [2024-11-13 14:10:11,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 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 14:10:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2429 transitions. [2024-11-13 14:10:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 14:10:11,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:11,504 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:11,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 14:10:11,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 14:10:11,708 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:11,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:11,709 INFO L85 PathProgramCache]: Analyzing trace with hash -358666423, now seen corresponding path program 1 times [2024-11-13 14:10:11,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:11,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602908697] [2024-11-13 14:10:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:11,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 14:10:11,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:11,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602908697] [2024-11-13 14:10:11,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602908697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:10:11,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:10:11,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:10:11,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838179680] [2024-11-13 14:10:11,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:10:11,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:10:11,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:11,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:10:11,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:10:11,788 INFO L87 Difference]: Start difference. First operand 1903 states and 2429 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 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 14:10:11,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:11,954 INFO L93 Difference]: Finished difference Result 2516 states and 3223 transitions. [2024-11-13 14:10:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:10:11,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2024-11-13 14:10:11,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:11,962 INFO L225 Difference]: With dead ends: 2516 [2024-11-13 14:10:11,962 INFO L226 Difference]: Without dead ends: 2513 [2024-11-13 14:10:11,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:10:11,964 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 116 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:11,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 45 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:10:11,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2513 states. [2024-11-13 14:10:12,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 1301. [2024-11-13 14:10:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 1293 states have (on average 1.2807424593967518) internal successors, (1656), 1300 states have internal predecessors, (1656), 0 states have call successors, (0), 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 14:10:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1656 transitions. [2024-11-13 14:10:12,027 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1656 transitions. Word has length 41 [2024-11-13 14:10:12,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:12,027 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1656 transitions. [2024-11-13 14:10:12,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 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 14:10:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1656 transitions. [2024-11-13 14:10:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 14:10:12,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:12,030 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-13 14:10:12,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:10:12,031 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:12,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:12,031 INFO L85 PathProgramCache]: Analyzing trace with hash -249714884, now seen corresponding path program 2 times [2024-11-13 14:10:12,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:12,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633975536] [2024-11-13 14:10:12,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:12,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:12,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:12,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633975536] [2024-11-13 14:10:12,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633975536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:12,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969627397] [2024-11-13 14:10:12,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:10:12,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:12,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:12,313 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:12,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 14:10:12,369 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:10:12,370 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:10:12,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:10:12,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:12,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:12,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969627397] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:10:12,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:10:12,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 17 [2024-11-13 14:10:12,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838730793] [2024-11-13 14:10:12,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:10:12,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 14:10:12,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:12,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 14:10:12,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=166, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:10:12,648 INFO L87 Difference]: Start difference. First operand 1301 states and 1656 transitions. Second operand has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 0 states have call successors, (0), 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 14:10:12,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:12,995 INFO L93 Difference]: Finished difference Result 3436 states and 4521 transitions. [2024-11-13 14:10:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 14:10:12,996 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 0 states have call successors, (0), 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 44 [2024-11-13 14:10:12,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:13,008 INFO L225 Difference]: With dead ends: 3436 [2024-11-13 14:10:13,009 INFO L226 Difference]: Without dead ends: 3434 [2024-11-13 14:10:13,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=232, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:10:13,011 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 677 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:13,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 317 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:10:13,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2024-11-13 14:10:13,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3248. [2024-11-13 14:10:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3248 states, 3240 states have (on average 1.2771604938271606) internal successors, (4138), 3247 states have internal predecessors, (4138), 0 states have call successors, (0), 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 14:10:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4138 transitions. [2024-11-13 14:10:13,159 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4138 transitions. Word has length 44 [2024-11-13 14:10:13,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:13,160 INFO L471 AbstractCegarLoop]: Abstraction has 3248 states and 4138 transitions. [2024-11-13 14:10:13,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 0 states have call successors, (0), 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 14:10:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4138 transitions. [2024-11-13 14:10:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 14:10:13,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:13,165 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:13,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 14:10:13,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 14:10:13,366 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:13,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:13,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1157842912, now seen corresponding path program 1 times [2024-11-13 14:10:13,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:13,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363554854] [2024-11-13 14:10:13,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:13,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 14:10:13,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:13,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363554854] [2024-11-13 14:10:13,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363554854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:13,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249769854] [2024-11-13 14:10:13,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:13,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:13,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:13,449 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:13,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 14:10:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:13,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:10:13,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:13,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:13,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249769854] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:10:13,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:10:13,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 13 [2024-11-13 14:10:13,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953955559] [2024-11-13 14:10:13,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:10:13,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:10:13,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:13,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:10:13,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:10:13,862 INFO L87 Difference]: Start difference. First operand 3248 states and 4138 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 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 14:10:14,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:14,734 INFO L93 Difference]: Finished difference Result 7553 states and 9679 transitions. [2024-11-13 14:10:14,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 14:10:14,735 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 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 44 [2024-11-13 14:10:14,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:14,753 INFO L225 Difference]: With dead ends: 7553 [2024-11-13 14:10:14,753 INFO L226 Difference]: Without dead ends: 5694 [2024-11-13 14:10:14,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=415, Invalid=1067, Unknown=0, NotChecked=0, Total=1482 [2024-11-13 14:10:14,757 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 405 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:14,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 212 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:10:14,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5694 states. [2024-11-13 14:10:14,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5694 to 2646. [2024-11-13 14:10:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 2640 states have (on average 1.2636363636363637) internal successors, (3336), 2645 states have internal predecessors, (3336), 0 states have call successors, (0), 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 14:10:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3336 transitions. [2024-11-13 14:10:14,926 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3336 transitions. Word has length 44 [2024-11-13 14:10:14,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:14,926 INFO L471 AbstractCegarLoop]: Abstraction has 2646 states and 3336 transitions. [2024-11-13 14:10:14,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 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 14:10:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3336 transitions. [2024-11-13 14:10:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 14:10:14,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:14,929 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:14,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 14:10:15,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 14:10:15,133 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:15,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:15,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1032611050, now seen corresponding path program 1 times [2024-11-13 14:10:15,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:15,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258250845] [2024-11-13 14:10:15,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:15,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:15,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:15,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258250845] [2024-11-13 14:10:15,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258250845] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:15,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418921685] [2024-11-13 14:10:15,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:15,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:15,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:15,326 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:15,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 14:10:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:15,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:10:15,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:15,558 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:15,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418921685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:10:15,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:10:15,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-13 14:10:15,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108522819] [2024-11-13 14:10:15,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:10:15,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 14:10:15,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:15,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 14:10:15,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=209, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:10:15,774 INFO L87 Difference]: Start difference. First operand 2646 states and 3336 transitions. Second operand has 20 states, 19 states have (on average 8.578947368421053) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 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 14:10:16,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:16,331 INFO L93 Difference]: Finished difference Result 7807 states and 10122 transitions. [2024-11-13 14:10:16,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 14:10:16,331 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.578947368421053) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 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 55 [2024-11-13 14:10:16,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:16,349 INFO L225 Difference]: With dead ends: 7807 [2024-11-13 14:10:16,349 INFO L226 Difference]: Without dead ends: 5966 [2024-11-13 14:10:16,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=230, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:10:16,353 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 921 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:16,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 431 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:10:16,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5966 states. [2024-11-13 14:10:16,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5966 to 3539. [2024-11-13 14:10:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3539 states, 3533 states have (on average 1.2609680158505518) internal successors, (4455), 3538 states have internal predecessors, (4455), 0 states have call successors, (0), 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 14:10:16,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 4455 transitions. [2024-11-13 14:10:16,597 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 4455 transitions. Word has length 55 [2024-11-13 14:10:16,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:16,598 INFO L471 AbstractCegarLoop]: Abstraction has 3539 states and 4455 transitions. [2024-11-13 14:10:16,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.578947368421053) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 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 14:10:16,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 4455 transitions. [2024-11-13 14:10:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 14:10:16,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:16,600 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:10:16,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 14:10:16,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 14:10:16,801 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:16,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:16,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1907897579, now seen corresponding path program 1 times [2024-11-13 14:10:16,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:16,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578765054] [2024-11-13 14:10:16,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:16,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:17,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:17,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578765054] [2024-11-13 14:10:17,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578765054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:17,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823579296] [2024-11-13 14:10:17,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:17,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:17,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:17,028 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:17,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 14:10:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:17,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:10:17,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:17,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:17,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823579296] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:10:17,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:10:17,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-13 14:10:17,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298930602] [2024-11-13 14:10:17,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:10:17,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 14:10:17,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:17,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 14:10:17,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=324, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:10:17,555 INFO L87 Difference]: Start difference. First operand 3539 states and 4455 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:18,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:18,195 INFO L93 Difference]: Finished difference Result 10655 states and 13888 transitions. [2024-11-13 14:10:18,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 14:10:18,195 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-11-13 14:10:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:18,224 INFO L225 Difference]: With dead ends: 10655 [2024-11-13 14:10:18,224 INFO L226 Difference]: Without dead ends: 10654 [2024-11-13 14:10:18,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=326, Invalid=376, Unknown=0, NotChecked=0, Total=702 [2024-11-13 14:10:18,227 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 824 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:18,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 629 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:10:18,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10654 states. [2024-11-13 14:10:18,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10654 to 10368. [2024-11-13 14:10:18,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10368 states, 10362 states have (on average 1.2645242231229492) internal successors, (13103), 10367 states have internal predecessors, (13103), 0 states have call successors, (0), 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 14:10:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10368 states to 10368 states and 13103 transitions. [2024-11-13 14:10:18,784 INFO L78 Accepts]: Start accepts. Automaton has 10368 states and 13103 transitions. Word has length 58 [2024-11-13 14:10:18,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:18,784 INFO L471 AbstractCegarLoop]: Abstraction has 10368 states and 13103 transitions. [2024-11-13 14:10:18,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:10:18,785 INFO L276 IsEmpty]: Start isEmpty. Operand 10368 states and 13103 transitions. [2024-11-13 14:10:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 14:10:18,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:18,791 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-13 14:10:18,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-13 14:10:18,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 14:10:18,991 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:18,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:18,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1629145212, now seen corresponding path program 3 times [2024-11-13 14:10:18,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:18,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230346615] [2024-11-13 14:10:18,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:18,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:19,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:19,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230346615] [2024-11-13 14:10:19,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230346615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:19,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410607949] [2024-11-13 14:10:19,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 14:10:19,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:19,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:19,623 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:19,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 14:10:19,708 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-13 14:10:19,709 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:10:19,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:10:19,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:20,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:20,502 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:20,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410607949] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:10:20,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:10:20,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 35 [2024-11-13 14:10:20,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904107838] [2024-11-13 14:10:20,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:10:20,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-13 14:10:20,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:20,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-13 14:10:20,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=566, Invalid=694, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 14:10:20,509 INFO L87 Difference]: Start difference. First operand 10368 states and 13103 transitions. Second operand has 36 states, 35 states have (on average 8.228571428571428) internal successors, (288), 36 states have internal predecessors, (288), 0 states have call successors, (0), 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 14:10:21,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:21,760 INFO L93 Difference]: Finished difference Result 14509 states and 18646 transitions. [2024-11-13 14:10:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-13 14:10:21,761 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 8.228571428571428) internal successors, (288), 36 states have internal predecessors, (288), 0 states have call successors, (0), 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 98 [2024-11-13 14:10:21,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:21,791 INFO L225 Difference]: With dead ends: 14509 [2024-11-13 14:10:21,792 INFO L226 Difference]: Without dead ends: 14507 [2024-11-13 14:10:21,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=845, Invalid=1135, Unknown=0, NotChecked=0, Total=1980 [2024-11-13 14:10:21,797 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 2212 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2212 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:21,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2212 Valid, 606 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:10:21,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14507 states. [2024-11-13 14:10:22,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14507 to 14122. [2024-11-13 14:10:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14122 states, 14116 states have (on average 1.2392320770756589) internal successors, (17493), 14121 states have internal predecessors, (17493), 0 states have call successors, (0), 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 14:10:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14122 states to 14122 states and 17493 transitions. [2024-11-13 14:10:22,535 INFO L78 Accepts]: Start accepts. Automaton has 14122 states and 17493 transitions. Word has length 98 [2024-11-13 14:10:22,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:22,536 INFO L471 AbstractCegarLoop]: Abstraction has 14122 states and 17493 transitions. [2024-11-13 14:10:22,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 8.228571428571428) internal successors, (288), 36 states have internal predecessors, (288), 0 states have call successors, (0), 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 14:10:22,537 INFO L276 IsEmpty]: Start isEmpty. Operand 14122 states and 17493 transitions. [2024-11-13 14:10:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-13 14:10:22,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:22,556 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1] [2024-11-13 14:10:22,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 14:10:22,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 14:10:22,761 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:22,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:22,762 INFO L85 PathProgramCache]: Analyzing trace with hash -687891524, now seen corresponding path program 2 times [2024-11-13 14:10:22,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:22,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253149395] [2024-11-13 14:10:22,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:22,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 1230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:23,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:23,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253149395] [2024-11-13 14:10:23,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253149395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:23,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341202721] [2024-11-13 14:10:23,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:10:23,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:23,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:23,557 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:23,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 14:10:23,653 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:10:23,654 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:10:23,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 14:10:23,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 1230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:24,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:25,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 1230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:25,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341202721] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:10:25,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:10:25,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 52 [2024-11-13 14:10:25,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062584305] [2024-11-13 14:10:25,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:10:25,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-13 14:10:25,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:25,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-13 14:10:25,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1315, Invalid=1441, Unknown=0, NotChecked=0, Total=2756 [2024-11-13 14:10:25,332 INFO L87 Difference]: Start difference. First operand 14122 states and 17493 transitions. Second operand has 53 states, 52 states have (on average 9.884615384615385) internal successors, (514), 53 states have internal predecessors, (514), 0 states have call successors, (0), 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 14:10:27,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:27,207 INFO L93 Difference]: Finished difference Result 21660 states and 27461 transitions. [2024-11-13 14:10:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-13 14:10:27,208 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 9.884615384615385) internal successors, (514), 53 states have internal predecessors, (514), 0 states have call successors, (0), 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 172 [2024-11-13 14:10:27,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:27,246 INFO L225 Difference]: With dead ends: 21660 [2024-11-13 14:10:27,246 INFO L226 Difference]: Without dead ends: 21657 [2024-11-13 14:10:27,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1367, Invalid=1495, Unknown=0, NotChecked=0, Total=2862 [2024-11-13 14:10:27,251 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 2772 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2772 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:27,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2772 Valid, 1215 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:10:27,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21657 states. [2024-11-13 14:10:28,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21657 to 16961. [2024-11-13 14:10:28,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16961 states, 16955 states have (on average 1.2514302565614863) internal successors, (21218), 16960 states have internal predecessors, (21218), 0 states have call successors, (0), 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 14:10:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16961 states to 16961 states and 21218 transitions. [2024-11-13 14:10:28,147 INFO L78 Accepts]: Start accepts. Automaton has 16961 states and 21218 transitions. Word has length 172 [2024-11-13 14:10:28,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:10:28,147 INFO L471 AbstractCegarLoop]: Abstraction has 16961 states and 21218 transitions. [2024-11-13 14:10:28,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 9.884615384615385) internal successors, (514), 53 states have internal predecessors, (514), 0 states have call successors, (0), 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 14:10:28,148 INFO L276 IsEmpty]: Start isEmpty. Operand 16961 states and 21218 transitions. [2024-11-13 14:10:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-13 14:10:28,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:10:28,170 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 18, 1, 1, 1] [2024-11-13 14:10:28,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 14:10:28,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:28,371 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 14:10:28,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:10:28,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1787492416, now seen corresponding path program 2 times [2024-11-13 14:10:28,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:10:28,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904225552] [2024-11-13 14:10:28,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:10:28,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:10:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:10:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1539 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:29,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:10:29,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904225552] [2024-11-13 14:10:29,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904225552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:10:29,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789655850] [2024-11-13 14:10:29,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:10:29,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:10:29,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:10:29,578 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:10:29,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_286fe44d-5c1f-41ee-8862-73c635b0401b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 14:10:29,688 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:10:29,688 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:10:29,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 14:10:29,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:10:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1539 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:30,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:10:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1539 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:10:32,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789655850] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:10:32,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:10:32,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 62 [2024-11-13 14:10:32,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875682105] [2024-11-13 14:10:32,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:10:32,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-13 14:10:32,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:10:32,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-13 14:10:32,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1707, Invalid=2199, Unknown=0, NotChecked=0, Total=3906 [2024-11-13 14:10:32,235 INFO L87 Difference]: Start difference. First operand 16961 states and 21218 transitions. Second operand has 63 states, 62 states have (on average 8.338709677419354) internal successors, (517), 63 states have internal predecessors, (517), 0 states have call successors, (0), 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 14:10:47,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:10:47,796 INFO L93 Difference]: Finished difference Result 389938 states and 494050 transitions. [2024-11-13 14:10:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-11-13 14:10:47,797 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 62 states have (on average 8.338709677419354) internal successors, (517), 63 states have internal predecessors, (517), 0 states have call successors, (0), 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 173 [2024-11-13 14:10:47,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:10:48,561 INFO L225 Difference]: With dead ends: 389938 [2024-11-13 14:10:48,561 INFO L226 Difference]: Without dead ends: 389937 [2024-11-13 14:10:48,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3970 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=7035, Invalid=11597, Unknown=0, NotChecked=0, Total=18632 [2024-11-13 14:10:48,609 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 4555 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4555 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:10:48,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4555 Valid, 1369 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:10:48,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389937 states.