./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array16_alloca_original.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/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_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-15/array16_alloca_original.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 628be9b0d43b46482b2f1f32ff1648acbb8b41e569549b972a02e76fffda9076 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:20:34,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:20:34,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 16:20:34,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:20:34,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:20:34,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:20:34,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:20:34,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:20:34,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:20:34,926 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:20:34,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:20:34,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:20:34,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:20:34,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:20:34,928 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:20:34,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:20:34,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:20:34,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:20:34,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:20:34,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:20:34,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:20:34,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:20:34,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:20:34,929 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:20:34,930 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:20:34,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:20:34,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:20:34,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:20:34,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:20:34,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:20:34,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:20:34,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:20:34,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:20:34,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:20:34,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:20:34,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:20:34,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:20:34,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:20:34,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:20:34,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:20:34,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:20:34,932 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_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628be9b0d43b46482b2f1f32ff1648acbb8b41e569549b972a02e76fffda9076 [2024-11-13 16:20:35,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:20:35,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:20:35,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:20:35,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:20:35,317 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:20:35,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-15/array16_alloca_original.i Unable to find full path for "g++" [2024-11-13 16:20:37,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:20:38,017 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:20:38,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/sv-benchmarks/c/termination-15/array16_alloca_original.i [2024-11-13 16:20:38,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/data/157251880/c04a08925b124d688aa2e2cc26b936f9/FLAG2df66213f [2024-11-13 16:20:38,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/data/157251880/c04a08925b124d688aa2e2cc26b936f9 [2024-11-13 16:20:38,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:20:38,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:20:38,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:20:38,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:20:38,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:20:38,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f0a575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38, skipping insertion in model container [2024-11-13 16:20:38,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:20:38,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:20:38,582 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:20:38,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:20:38,706 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:20:38,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38 WrapperNode [2024-11-13 16:20:38,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:20:38,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:20:38,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:20:38,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:20:38,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,749 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2024-11-13 16:20:38,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:20:38,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:20:38,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:20:38,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:20:38,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,763 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,780 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-13 16:20:38,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:20:38,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:20:38,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:20:38,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:20:38,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (1/1) ... [2024-11-13 16:20:38,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:20:38,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:38,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:20:38,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:20:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 16:20:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 16:20:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:20:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:20:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:20:38,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:20:38,966 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:20:38,969 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:20:39,200 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-13 16:20:39,200 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:20:39,211 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:20:39,212 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:20:39,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:20:39 BoogieIcfgContainer [2024-11-13 16:20:39,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:20:39,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:20:39,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:20:39,222 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:20:39,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:20:38" (1/3) ... [2024-11-13 16:20:39,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324f07ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:20:39, skipping insertion in model container [2024-11-13 16:20:39,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:38" (2/3) ... [2024-11-13 16:20:39,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324f07ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:20:39, skipping insertion in model container [2024-11-13 16:20:39,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:20:39" (3/3) ... [2024-11-13 16:20:39,225 INFO L112 eAbstractionObserver]: Analyzing ICFG array16_alloca_original.i [2024-11-13 16:20:39,249 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:20:39,251 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG array16_alloca_original.i that has 1 procedures, 27 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2024-11-13 16:20:39,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:20:39,334 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;@182b2010, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:20:39,335 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 16:20:39,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 20 states have (on average 1.7) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:20:39,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:39,348 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:39,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:39,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:39,358 INFO L85 PathProgramCache]: Analyzing trace with hash -592037013, now seen corresponding path program 1 times [2024-11-13 16:20:39,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:39,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138101526] [2024-11-13 16:20:39,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:39,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:39,839 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 16:20:39,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:39,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138101526] [2024-11-13 16:20:39,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138101526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:39,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:20:39,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:20:39,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215358016] [2024-11-13 16:20:39,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:39,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:20:39,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:39,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:20:39,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:39,882 INFO L87 Difference]: Start difference. First operand has 27 states, 20 states have (on average 1.7) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 16:20:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:39,986 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2024-11-13 16:20:39,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:20:39,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2024-11-13 16:20:39,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:39,999 INFO L225 Difference]: With dead ends: 49 [2024-11-13 16:20:40,000 INFO L226 Difference]: Without dead ends: 28 [2024-11-13 16:20:40,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:40,011 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:40,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 71 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:40,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-13 16:20:40,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-13 16:20:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:40,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2024-11-13 16:20:40,108 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 9 [2024-11-13 16:20:40,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:40,111 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-11-13 16:20:40,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 16:20:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-11-13 16:20:40,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:20:40,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:40,113 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:40,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:20:40,115 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:40,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:40,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1174751786, now seen corresponding path program 1 times [2024-11-13 16:20:40,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:40,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932513233] [2024-11-13 16:20:40,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:40,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:40,234 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 16:20:40,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:40,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932513233] [2024-11-13 16:20:40,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932513233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:40,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:20:40,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:20:40,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982487803] [2024-11-13 16:20:40,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:40,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:20:40,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:40,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:20:40,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:40,238 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 16:20:40,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:40,290 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2024-11-13 16:20:40,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:20:40,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 16:20:40,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:40,293 INFO L225 Difference]: With dead ends: 39 [2024-11-13 16:20:40,293 INFO L226 Difference]: Without dead ends: 28 [2024-11-13 16:20:40,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 16:20:40,295 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 28 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:40,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 37 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:20:40,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-13 16:20:40,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-13 16:20:40,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.5) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 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 16:20:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2024-11-13 16:20:40,307 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 10 [2024-11-13 16:20:40,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:40,307 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2024-11-13 16:20:40,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 16:20:40,307 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2024-11-13 16:20:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:20:40,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:40,309 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:40,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:20:40,310 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:40,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:40,311 INFO L85 PathProgramCache]: Analyzing trace with hash 220033369, now seen corresponding path program 1 times [2024-11-13 16:20:40,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:40,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273062373] [2024-11-13 16:20:40,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:40,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:40,575 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 16:20:40,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:40,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273062373] [2024-11-13 16:20:40,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273062373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:40,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368090595] [2024-11-13 16:20:40,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:40,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:40,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:40,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:40,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:20:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:40,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:20:40,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:40,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:20:40,910 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:20:40,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368090595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:40,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:20:40,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2024-11-13 16:20:40,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729528733] [2024-11-13 16:20:40,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:40,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:20:40,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:40,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:20:40,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:20:40,912 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:40,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:40,999 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2024-11-13 16:20:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:20:41,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 16:20:41,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:41,001 INFO L225 Difference]: With dead ends: 65 [2024-11-13 16:20:41,001 INFO L226 Difference]: Without dead ends: 47 [2024-11-13 16:20:41,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:20:41,002 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 14 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:41,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 68 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:41,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-13 16:20:41,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2024-11-13 16:20:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.4) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 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 16:20:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2024-11-13 16:20:41,015 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 14 [2024-11-13 16:20:41,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:41,015 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2024-11-13 16:20:41,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-11-13 16:20:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:20:41,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:41,017 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:41,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:20:41,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:41,218 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:41,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:41,218 INFO L85 PathProgramCache]: Analyzing trace with hash 478198807, now seen corresponding path program 1 times [2024-11-13 16:20:41,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:41,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933607995] [2024-11-13 16:20:41,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:41,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:41,381 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 16:20:41,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:41,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933607995] [2024-11-13 16:20:41,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933607995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:41,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559443106] [2024-11-13 16:20:41,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:41,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:41,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:41,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:41,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:20:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:41,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:20:41,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:41,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:20:41,513 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:20:41,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559443106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:41,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:20:41,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 16:20:41,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8731973] [2024-11-13 16:20:41,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:41,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:20:41,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:41,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:20:41,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:20:41,531 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:41,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:41,599 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2024-11-13 16:20:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:20:41,600 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 16:20:41,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:41,601 INFO L225 Difference]: With dead ends: 36 [2024-11-13 16:20:41,601 INFO L226 Difference]: Without dead ends: 35 [2024-11-13 16:20:41,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:20:41,604 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:41,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 91 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:41,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-13 16:20:41,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-13 16:20:41,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 34 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2024-11-13 16:20:41,616 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 14 [2024-11-13 16:20:41,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:41,617 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2024-11-13 16:20:41,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2024-11-13 16:20:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:20:41,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:41,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:41,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:20:41,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:41,819 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:41,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:41,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1770373720, now seen corresponding path program 1 times [2024-11-13 16:20:41,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:41,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974123944] [2024-11-13 16:20:41,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:41,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:20:41,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:41,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974123944] [2024-11-13 16:20:41,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974123944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:41,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:20:41,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:20:41,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528850913] [2024-11-13 16:20:41,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:41,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:20:41,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:41,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:20:41,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:41,977 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:42,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:42,024 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-11-13 16:20:42,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:20:42,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 16:20:42,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:42,025 INFO L225 Difference]: With dead ends: 41 [2024-11-13 16:20:42,025 INFO L226 Difference]: Without dead ends: 39 [2024-11-13 16:20:42,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:42,027 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:42,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 57 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:20:42,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-13 16:20:42,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-13 16:20:42,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 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 16:20:42,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2024-11-13 16:20:42,037 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 15 [2024-11-13 16:20:42,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:42,037 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2024-11-13 16:20:42,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 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 16:20:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-11-13 16:20:42,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:20:42,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:42,039 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:42,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:20:42,039 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:42,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:42,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1770373528, now seen corresponding path program 1 times [2024-11-13 16:20:42,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:42,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470342713] [2024-11-13 16:20:42,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:42,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:20:42,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:42,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470342713] [2024-11-13 16:20:42,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470342713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:42,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:20:42,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:20:42,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274967173] [2024-11-13 16:20:42,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:42,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:20:42,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:42,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:20:42,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:42,132 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:42,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:42,176 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2024-11-13 16:20:42,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:20:42,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 16:20:42,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:42,178 INFO L225 Difference]: With dead ends: 43 [2024-11-13 16:20:42,178 INFO L226 Difference]: Without dead ends: 41 [2024-11-13 16:20:42,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:42,180 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:42,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 57 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:20:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-13 16:20:42,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-13 16:20:42,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:20:42,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-11-13 16:20:42,186 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 15 [2024-11-13 16:20:42,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:42,186 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-13 16:20:42,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 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 16:20:42,186 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2024-11-13 16:20:42,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:20:42,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:42,187 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:42,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:20:42,188 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:42,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:42,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1939261192, now seen corresponding path program 1 times [2024-11-13 16:20:42,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:42,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395617618] [2024-11-13 16:20:42,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:42,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:42,354 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 16:20:42,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:42,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395617618] [2024-11-13 16:20:42,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395617618] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:42,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402646348] [2024-11-13 16:20:42,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:42,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:42,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:42,359 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:42,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:20:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:42,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:20:42,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:42,513 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 16:20:42,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:20:42,600 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 16:20:42,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402646348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:20:42,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:20:42,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 16:20:42,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119467492] [2024-11-13 16:20:42,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:20:42,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:20:42,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:42,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:20:42,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:20:42,605 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 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 16:20:42,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:42,715 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2024-11-13 16:20:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:20:42,716 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 16:20:42,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:42,717 INFO L225 Difference]: With dead ends: 57 [2024-11-13 16:20:42,717 INFO L226 Difference]: Without dead ends: 56 [2024-11-13 16:20:42,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:20:42,718 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:42,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 129 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:42,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-13 16:20:42,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-13 16:20:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 55 states have internal predecessors, (69), 0 states have call successors, (0), 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 16:20:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2024-11-13 16:20:42,732 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 15 [2024-11-13 16:20:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:42,732 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2024-11-13 16:20:42,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 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 16:20:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2024-11-13 16:20:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:20:42,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:42,735 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:42,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 16:20:42,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 16:20:42,936 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:42,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:42,936 INFO L85 PathProgramCache]: Analyzing trace with hash 779719523, now seen corresponding path program 1 times [2024-11-13 16:20:42,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:42,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699306738] [2024-11-13 16:20:42,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:42,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:20:43,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:43,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699306738] [2024-11-13 16:20:43,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699306738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:43,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:20:43,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:20:43,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11661970] [2024-11-13 16:20:43,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:43,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:20:43,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:43,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:20:43,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:43,015 INFO L87 Difference]: Start difference. First operand 56 states and 69 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 16:20:43,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:43,047 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2024-11-13 16:20:43,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:20:43,048 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 16:20:43,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:43,049 INFO L225 Difference]: With dead ends: 57 [2024-11-13 16:20:43,049 INFO L226 Difference]: Without dead ends: 56 [2024-11-13 16:20:43,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:43,050 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:43,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:20:43,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-13 16:20:43,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2024-11-13 16:20:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 54 states have internal predecessors, (68), 0 states have call successors, (0), 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 16:20:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-13 16:20:43,061 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 19 [2024-11-13 16:20:43,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:43,061 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-13 16:20:43,061 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 16:20:43,062 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-13 16:20:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:20:43,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:43,062 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:43,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:20:43,062 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:43,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:43,063 INFO L85 PathProgramCache]: Analyzing trace with hash 779719715, now seen corresponding path program 1 times [2024-11-13 16:20:43,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:43,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957893622] [2024-11-13 16:20:43,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:43,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:20:43,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:43,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957893622] [2024-11-13 16:20:43,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957893622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:43,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:20:43,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:20:43,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758145705] [2024-11-13 16:20:43,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:43,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:20:43,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:43,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:20:43,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:43,126 INFO L87 Difference]: Start difference. First operand 55 states and 68 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 16:20:43,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:43,154 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2024-11-13 16:20:43,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:20:43,155 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 16:20:43,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:43,156 INFO L225 Difference]: With dead ends: 55 [2024-11-13 16:20:43,156 INFO L226 Difference]: Without dead ends: 54 [2024-11-13 16:20:43,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:20:43,157 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:43,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:20:43,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-13 16:20:43,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-13 16:20:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 53 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2024-11-13 16:20:43,171 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 19 [2024-11-13 16:20:43,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:43,171 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-11-13 16:20:43,171 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 16:20:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2024-11-13 16:20:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:20:43,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:43,172 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:43,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:20:43,173 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:43,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1598498481, now seen corresponding path program 1 times [2024-11-13 16:20:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:43,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880071603] [2024-11-13 16:20:43,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:43,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:43,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:20:43,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:43,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880071603] [2024-11-13 16:20:43,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880071603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:43,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136229661] [2024-11-13 16:20:43,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:43,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:43,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:43,331 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:43,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 16:20:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:43,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:20:43,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:20:43,551 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:20:43,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136229661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:43,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:20:43,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-11-13 16:20:43,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466808486] [2024-11-13 16:20:43,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:43,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:20:43,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:43,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:20:43,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:20:43,553 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:43,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:43,635 INFO L93 Difference]: Finished difference Result 78 states and 94 transitions. [2024-11-13 16:20:43,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:20:43,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-13 16:20:43,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:43,639 INFO L225 Difference]: With dead ends: 78 [2024-11-13 16:20:43,639 INFO L226 Difference]: Without dead ends: 67 [2024-11-13 16:20:43,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:20:43,640 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:43,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 64 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:43,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-13 16:20:43,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2024-11-13 16:20:43,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 64 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2024-11-13 16:20:43,656 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 20 [2024-11-13 16:20:43,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:43,660 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2024-11-13 16:20:43,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2024-11-13 16:20:43,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:20:43,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:43,661 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:43,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 16:20:43,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:43,862 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:43,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:43,864 INFO L85 PathProgramCache]: Analyzing trace with hash -391127659, now seen corresponding path program 1 times [2024-11-13 16:20:43,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:43,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376975932] [2024-11-13 16:20:43,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:43,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:20:43,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:43,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376975932] [2024-11-13 16:20:43,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376975932] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:43,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270264274] [2024-11-13 16:20:43,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:43,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:43,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:44,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:44,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 16:20:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:44,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:20:44,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:20:44,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:20:44,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270264274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:44,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:20:44,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 16:20:44,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367653353] [2024-11-13 16:20:44,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:44,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:20:44,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:44,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:20:44,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:20:44,126 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:44,183 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2024-11-13 16:20:44,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:20:44,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-13 16:20:44,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:44,185 INFO L225 Difference]: With dead ends: 75 [2024-11-13 16:20:44,185 INFO L226 Difference]: Without dead ends: 44 [2024-11-13 16:20:44,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:20:44,185 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:44,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:20:44,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-13 16:20:44,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-13 16:20:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 43 states have internal predecessors, (54), 0 states have call successors, (0), 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 16:20:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2024-11-13 16:20:44,194 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 20 [2024-11-13 16:20:44,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:44,194 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2024-11-13 16:20:44,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2024-11-13 16:20:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:20:44,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:44,197 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:44,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 16:20:44,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:44,401 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:44,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:44,402 INFO L85 PathProgramCache]: Analyzing trace with hash 702324109, now seen corresponding path program 1 times [2024-11-13 16:20:44,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:44,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898925864] [2024-11-13 16:20:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:44,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:20:44,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:44,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898925864] [2024-11-13 16:20:44,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898925864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:44,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893466532] [2024-11-13 16:20:44,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:44,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:44,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:44,541 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:44,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 16:20:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:44,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:20:44,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:20:44,819 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:20:44,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:20:44,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893466532] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:20:44,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:20:44,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16 [2024-11-13 16:20:44,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633296731] [2024-11-13 16:20:44,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:20:44,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 16:20:44,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:44,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 16:20:44,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:20:44,969 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 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 16:20:45,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:45,172 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2024-11-13 16:20:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:20:45,173 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 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 16:20:45,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:45,174 INFO L225 Difference]: With dead ends: 62 [2024-11-13 16:20:45,174 INFO L226 Difference]: Without dead ends: 48 [2024-11-13 16:20:45,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:20:45,175 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 5 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:45,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 86 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:45,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-13 16:20:45,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-13 16:20:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 45 states have (on average 1.288888888888889) internal successors, (58), 47 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 16:20:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2024-11-13 16:20:45,185 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 20 [2024-11-13 16:20:45,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:45,185 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2024-11-13 16:20:45,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 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 16:20:45,185 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2024-11-13 16:20:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:20:45,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:45,186 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:45,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 16:20:45,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 16:20:45,387 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:45,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:45,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2092534889, now seen corresponding path program 1 times [2024-11-13 16:20:45,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:45,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503887537] [2024-11-13 16:20:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:45,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 16:20:45,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:45,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503887537] [2024-11-13 16:20:45,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503887537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:45,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245681101] [2024-11-13 16:20:45,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:45,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:45,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:45,560 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:45,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 16:20:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:45,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:20:45,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 16:20:45,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:20:45,780 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 16:20:45,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245681101] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:20:45,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:20:45,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 16:20:45,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375264417] [2024-11-13 16:20:45,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:20:45,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:20:45,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:45,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:20:45,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:20:45,786 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:45,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:45,861 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2024-11-13 16:20:45,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:20:45,862 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-13 16:20:45,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:45,862 INFO L225 Difference]: With dead ends: 57 [2024-11-13 16:20:45,863 INFO L226 Difference]: Without dead ends: 55 [2024-11-13 16:20:45,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:20:45,864 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:45,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:45,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-13 16:20:45,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-13 16:20:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 54 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 67 transitions. [2024-11-13 16:20:45,876 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 67 transitions. Word has length 25 [2024-11-13 16:20:45,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:45,876 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 67 transitions. [2024-11-13 16:20:45,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2024-11-13 16:20:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 16:20:45,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:45,879 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:45,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 16:20:46,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:46,081 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:46,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:46,081 INFO L85 PathProgramCache]: Analyzing trace with hash -351833528, now seen corresponding path program 2 times [2024-11-13 16:20:46,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:46,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579631476] [2024-11-13 16:20:46,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:46,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:20:46,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:46,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579631476] [2024-11-13 16:20:46,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579631476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:46,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928989080] [2024-11-13 16:20:46,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:20:46,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:46,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:46,449 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:46,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 16:20:46,539 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 16:20:46,540 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:20:46,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:20:46,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 16:20:46,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:20:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 16:20:46,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928989080] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:20:46,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:20:46,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2024-11-13 16:20:46,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340678790] [2024-11-13 16:20:46,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:20:46,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 16:20:46,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:46,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 16:20:46,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:20:46,743 INFO L87 Difference]: Start difference. First operand 55 states and 67 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:20:47,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:47,052 INFO L93 Difference]: Finished difference Result 85 states and 104 transitions. [2024-11-13 16:20:47,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 16:20:47,053 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-13 16:20:47,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:47,053 INFO L225 Difference]: With dead ends: 85 [2024-11-13 16:20:47,053 INFO L226 Difference]: Without dead ends: 31 [2024-11-13 16:20:47,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=641, Unknown=0, NotChecked=0, Total=756 [2024-11-13 16:20:47,056 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 32 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:47,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 53 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:47,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-13 16:20:47,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-13 16:20:47,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:47,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2024-11-13 16:20:47,064 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 29 [2024-11-13 16:20:47,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:47,064 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2024-11-13 16:20:47,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:20:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-11-13 16:20:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 16:20:47,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:47,065 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:47,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 16:20:47,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:47,266 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 16:20:47,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:47,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1250973554, now seen corresponding path program 2 times [2024-11-13 16:20:47,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:47,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253035148] [2024-11-13 16:20:47,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:47,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:20:47,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:47,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253035148] [2024-11-13 16:20:47,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253035148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:47,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80341807] [2024-11-13 16:20:47,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:20:47,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:47,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:47,503 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:47,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 16:20:47,593 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 16:20:47,594 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:20:47,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:20:47,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:20:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 16:20:47,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:20:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 16:20:47,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80341807] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:20:47,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:20:47,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-11-13 16:20:47,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59640735] [2024-11-13 16:20:47,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:20:47,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 16:20:47,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:47,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 16:20:47,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:20:47,793 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 15 states have internal predecessors, (44), 0 states have call successors, (0), 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 16:20:48,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:48,036 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2024-11-13 16:20:48,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 16:20:48,037 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 15 states have internal predecessors, (44), 0 states have call successors, (0), 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 30 [2024-11-13 16:20:48,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:48,038 INFO L225 Difference]: With dead ends: 37 [2024-11-13 16:20:48,039 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 16:20:48,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-11-13 16:20:48,040 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 21 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:48,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 14 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:48,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 16:20:48,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 16:20:48,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:20:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 16:20:48,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2024-11-13 16:20:48,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:48,044 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:20:48,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 15 states have internal predecessors, (44), 0 states have call successors, (0), 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 16:20:48,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:20:48,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:20:48,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-13 16:20:48,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-13 16:20:48,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-13 16:20:48,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-13 16:20:48,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-13 16:20:48,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-13 16:20:48,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 16:20:48,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 16:20:48,255 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:48,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 16:20:48,469 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:20:48,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:20:48 BoogieIcfgContainer [2024-11-13 16:20:48,488 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:20:48,488 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:20:48,489 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:20:48,489 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:20:48,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:20:39" (3/4) ... [2024-11-13 16:20:48,492 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:20:48,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 16:20:48,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:20:48,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 16:20:48,503 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:20:48,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:20:48,594 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:20:48,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:20:48,595 INFO L158 Benchmark]: Toolchain (without parser) took 10540.66ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 35.0MB in the end (delta: 58.0MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-13 16:20:48,595 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:20:48,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.94ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 74.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:20:48,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.35ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 73.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:20:48,596 INFO L158 Benchmark]: Boogie Preprocessor took 43.12ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:20:48,597 INFO L158 Benchmark]: RCFGBuilder took 418.48ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 60.4MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:20:48,597 INFO L158 Benchmark]: TraceAbstraction took 9271.85ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 39.5MB in the end (delta: 20.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-13 16:20:48,597 INFO L158 Benchmark]: Witness Printer took 105.59ms. Allocated memory is still 117.4MB. Free memory was 39.5MB in the beginning and 35.0MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:20:48,599 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.94ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 74.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.35ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 73.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.12ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 418.48ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 60.4MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9271.85ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 39.5MB in the end (delta: 20.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Witness Printer took 105.59ms. Allocated memory is still 117.4MB. Free memory was 39.5MB in the beginning and 35.0MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 370]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 370]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 379]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 379]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 381]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 381]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 15, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 974 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 717 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 719 IncrementalHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 257 mSDtfsCounter, 719 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 264 SyntacticMatches, 8 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=10, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 461 NumberOfCodeBlocks, 423 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 551 ConstructedInterpolants, 0 QuantifiedInterpolants, 1335 SizeOfPredicates, 11 NumberOfNonLiveVariables, 602 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 29 InterpolantComputations, 10 PerfectInterpolantSequences, 162/305 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((((length <= 2147483647) && (1 <= i)) && (1 <= length)) || (((length <= 2147483647) && (i == 0)) && (1 <= length))) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((((long) j + 1) <= 0) && (1 <= length)) || (length == 1)) || (((length <= 2147483647) && (j <= 2147483647)) && (1 <= length))) RESULT: Ultimate proved your program to be correct! [2024-11-13 16:20:48,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8cfbf8c-d71c-4b25-afeb-fd0c19bc70dd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE