./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6dbcbf51695ea037a123bcc006ce5f6db095b874a22b169ec869d834ce41de6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:54:11,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:54:11,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 04:54:11,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:54:11,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:54:11,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:54:11,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:54:11,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:54:11,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:54:11,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:54:11,438 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:54:11,438 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:54:11,438 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:54:11,438 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:54:11,439 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:54:11,439 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:54:11,439 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:54:11,439 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:54:11,439 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:54:11,440 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:54:11,440 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:54:11,440 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:54:11,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:54:11,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:54:11,441 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:54:11,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:54:11,441 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:54:11,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:54:11,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:54:11,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:54:11,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:54:11,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:54:11,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:54:11,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:54:11,442 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:54:11,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:54:11,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:54:11,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:54:11,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:54:11,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:54:11,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:54:11,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:54:11,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:54:11,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:54:11,444 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:54:11,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:54:11,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:54:11,445 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:54:11,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:54:11,445 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6dbcbf51695ea037a123bcc006ce5f6db095b874a22b169ec869d834ce41de6 [2024-11-14 04:54:11,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:54:11,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:54:11,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:54:11,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:54:11,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:54:11,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i Unable to find full path for "g++" [2024-11-14 04:54:13,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:54:14,216 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:54:14,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-11-14 04:54:14,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/data/40e1edbb8/024fd4c580ee4382bcc27ec80a4b20ca/FLAGe45366568 [2024-11-14 04:54:14,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/data/40e1edbb8/024fd4c580ee4382bcc27ec80a4b20ca [2024-11-14 04:54:14,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:54:14,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:54:14,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:54:14,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:54:14,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:54:14,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1a8e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14, skipping insertion in model container [2024-11-14 04:54:14,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:54:14,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:54:14,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:54:14,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:54:14,514 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:54:14,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14 WrapperNode [2024-11-14 04:54:14,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:54:14,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:54:14,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:54:14,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:54:14,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,547 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2024-11-14 04:54:14,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:54:14,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:54:14,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:54:14,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:54:14,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:54:14,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:54:14,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:54:14,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:54:14,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (1/1) ... [2024-11-14 04:54:14,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:54:14,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:54:14,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:54:14,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:54:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:54:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:54:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:54:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:54:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 04:54:14,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 04:54:14,734 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:54:14,737 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:54:14,987 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-14 04:54:14,987 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:54:15,044 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:54:15,045 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 04:54:15,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:54:15 BoogieIcfgContainer [2024-11-14 04:54:15,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:54:15,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:54:15,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:54:15,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:54:15,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:54:14" (1/3) ... [2024-11-14 04:54:15,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b95998e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:54:15, skipping insertion in model container [2024-11-14 04:54:15,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:54:14" (2/3) ... [2024-11-14 04:54:15,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b95998e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:54:15, skipping insertion in model container [2024-11-14 04:54:15,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:54:15" (3/3) ... [2024-11-14 04:54:15,064 INFO L112 eAbstractionObserver]: Analyzing ICFG bh2017-ex1-poly.i [2024-11-14 04:54:15,088 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:54:15,090 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG bh2017-ex1-poly.i that has 2 procedures, 58 locations, 1 initial locations, 2 loop locations, and 22 error locations. [2024-11-14 04:54:15,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:54:15,159 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=FINITE_AUTOMATA, 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;@32bb4b9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:54:15,159 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-14 04:54:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 49 states have internal predecessors, (50), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 04:54:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 04:54:15,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:15,172 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 04:54:15,173 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:15,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:15,179 INFO L85 PathProgramCache]: Analyzing trace with hash 4359673, now seen corresponding path program 1 times [2024-11-14 04:54:15,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:15,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225890812] [2024-11-14 04:54:15,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:15,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:15,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:54:15,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:15,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225890812] [2024-11-14 04:54:15,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225890812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:15,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:54:15,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:54:15,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348125841] [2024-11-14 04:54:15,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:15,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:54:15,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:15,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:54:15,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:54:15,439 INFO L87 Difference]: Start difference. First operand has 58 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 49 states have internal predecessors, (50), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:54:15,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:15,692 INFO L93 Difference]: Finished difference Result 89 states and 106 transitions. [2024-11-14 04:54:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:54:15,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2024-11-14 04:54:15,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:15,705 INFO L225 Difference]: With dead ends: 89 [2024-11-14 04:54:15,706 INFO L226 Difference]: Without dead ends: 81 [2024-11-14 04:54:15,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:54:15,715 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 17 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:15,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 124 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:54:15,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-14 04:54:15,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 67. [2024-11-14 04:54:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 56 states have internal predecessors, (58), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:54:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2024-11-14 04:54:15,783 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 4 [2024-11-14 04:54:15,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:15,784 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2024-11-14 04:54:15,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:54:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2024-11-14 04:54:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 04:54:15,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:15,785 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 04:54:15,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:54:15,788 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:15,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:15,788 INFO L85 PathProgramCache]: Analyzing trace with hash -105319877, now seen corresponding path program 1 times [2024-11-14 04:54:15,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:15,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728960349] [2024-11-14 04:54:15,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:15,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:54:15,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:15,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728960349] [2024-11-14 04:54:15,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728960349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:15,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:54:15,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:54:15,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964337385] [2024-11-14 04:54:15,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:15,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:54:15,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:15,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:54:15,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:54:15,845 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:54:15,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:15,938 INFO L93 Difference]: Finished difference Result 130 states and 152 transitions. [2024-11-14 04:54:15,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:54:15,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-14 04:54:15,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:15,940 INFO L225 Difference]: With dead ends: 130 [2024-11-14 04:54:15,940 INFO L226 Difference]: Without dead ends: 68 [2024-11-14 04:54:15,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:54:15,942 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 3 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:15,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:54:15,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-14 04:54:15,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2024-11-14 04:54:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 35 states have (on average 1.7142857142857142) internal successors, (60), 56 states have internal predecessors, (60), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 04:54:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 76 transitions. [2024-11-14 04:54:15,974 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 76 transitions. Word has length 6 [2024-11-14 04:54:15,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:15,974 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 76 transitions. [2024-11-14 04:54:15,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:54:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2024-11-14 04:54:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:54:15,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:15,975 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:15,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:54:15,976 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:15,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:15,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1240602669, now seen corresponding path program 1 times [2024-11-14 04:54:15,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:15,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348851221] [2024-11-14 04:54:15,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:15,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:54:16,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:16,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348851221] [2024-11-14 04:54:16,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348851221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:16,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:54:16,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:54:16,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332136724] [2024-11-14 04:54:16,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:16,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:54:16,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:16,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:54:16,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:54:16,087 INFO L87 Difference]: Start difference. First operand 66 states and 76 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:54:16,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:16,298 INFO L93 Difference]: Finished difference Result 105 states and 132 transitions. [2024-11-14 04:54:16,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:54:16,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-14 04:54:16,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:16,300 INFO L225 Difference]: With dead ends: 105 [2024-11-14 04:54:16,300 INFO L226 Difference]: Without dead ends: 101 [2024-11-14 04:54:16,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:54:16,302 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 24 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:16,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 134 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:54:16,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-14 04:54:16,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 84. [2024-11-14 04:54:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 47 states have (on average 1.6595744680851063) internal successors, (78), 68 states have internal predecessors, (78), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:54:16,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2024-11-14 04:54:16,317 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 106 transitions. Word has length 11 [2024-11-14 04:54:16,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:16,317 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 106 transitions. [2024-11-14 04:54:16,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:54:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2024-11-14 04:54:16,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 04:54:16,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:16,318 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:16,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:54:16,319 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:16,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:16,319 INFO L85 PathProgramCache]: Analyzing trace with hash 196022986, now seen corresponding path program 1 times [2024-11-14 04:54:16,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:16,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527640150] [2024-11-14 04:54:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:16,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:54:16,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:16,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527640150] [2024-11-14 04:54:16,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527640150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:16,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:54:16,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:54:16,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121760810] [2024-11-14 04:54:16,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:16,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:54:16,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:16,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:54:16,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:54:16,447 INFO L87 Difference]: Start difference. First operand 84 states and 106 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:54:16,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:16,658 INFO L93 Difference]: Finished difference Result 105 states and 128 transitions. [2024-11-14 04:54:16,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:54:16,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-14 04:54:16,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:16,660 INFO L225 Difference]: With dead ends: 105 [2024-11-14 04:54:16,660 INFO L226 Difference]: Without dead ends: 101 [2024-11-14 04:54:16,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:54:16,661 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 23 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:16,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 130 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:54:16,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-14 04:54:16,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 85. [2024-11-14 04:54:16,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 48 states have (on average 1.5833333333333333) internal successors, (76), 69 states have internal predecessors, (76), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:54:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 104 transitions. [2024-11-14 04:54:16,686 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 104 transitions. Word has length 12 [2024-11-14 04:54:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:16,686 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 104 transitions. [2024-11-14 04:54:16,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:54:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2024-11-14 04:54:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-14 04:54:16,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:16,687 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:16,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:54:16,688 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:16,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:16,689 INFO L85 PathProgramCache]: Analyzing trace with hash 552414147, now seen corresponding path program 1 times [2024-11-14 04:54:16,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:16,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726075075] [2024-11-14 04:54:16,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:16,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:54:16,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:16,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726075075] [2024-11-14 04:54:16,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726075075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:16,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:54:16,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:54:16,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015897175] [2024-11-14 04:54:16,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:16,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:54:16,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:16,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:54:16,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:54:16,787 INFO L87 Difference]: Start difference. First operand 85 states and 104 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:54:16,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:16,917 INFO L93 Difference]: Finished difference Result 87 states and 104 transitions. [2024-11-14 04:54:16,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:54:16,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-14 04:54:16,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:16,920 INFO L225 Difference]: With dead ends: 87 [2024-11-14 04:54:16,921 INFO L226 Difference]: Without dead ends: 83 [2024-11-14 04:54:16,921 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 [2024-11-14 04:54:16,925 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 30 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:16,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 81 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:54:16,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-14 04:54:16,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2024-11-14 04:54:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 65 states have internal predecessors, (71), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:54:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2024-11-14 04:54:16,940 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 18 [2024-11-14 04:54:16,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:16,941 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2024-11-14 04:54:16,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:54:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2024-11-14 04:54:16,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 04:54:16,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:16,942 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:16,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:54:16,942 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:16,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:16,943 INFO L85 PathProgramCache]: Analyzing trace with hash -55030557, now seen corresponding path program 1 times [2024-11-14 04:54:16,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:16,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065567123] [2024-11-14 04:54:16,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:16,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:54:17,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:17,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065567123] [2024-11-14 04:54:17,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065567123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:17,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:54:17,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:54:17,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451327801] [2024-11-14 04:54:17,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:17,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:54:17,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:17,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:54:17,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:54:17,028 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:54:17,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:17,118 INFO L93 Difference]: Finished difference Result 154 states and 187 transitions. [2024-11-14 04:54:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:54:17,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-14 04:54:17,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:17,120 INFO L225 Difference]: With dead ends: 154 [2024-11-14 04:54:17,120 INFO L226 Difference]: Without dead ends: 91 [2024-11-14 04:54:17,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:54:17,122 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 13 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:17,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 102 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:54:17,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-14 04:54:17,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 80. [2024-11-14 04:54:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 48 states have (on average 1.5) internal successors, (72), 64 states have internal predecessors, (72), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:54:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions. [2024-11-14 04:54:17,133 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 19 [2024-11-14 04:54:17,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:17,134 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions. [2024-11-14 04:54:17,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:54:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2024-11-14 04:54:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 04:54:17,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:17,135 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:17,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:54:17,135 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:17,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:17,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1163901769, now seen corresponding path program 1 times [2024-11-14 04:54:17,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:17,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146447543] [2024-11-14 04:54:17,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:17,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:54:17,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:17,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146447543] [2024-11-14 04:54:17,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146447543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:17,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:54:17,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:54:17,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40907363] [2024-11-14 04:54:17,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:17,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:54:17,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:17,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:54:17,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:54:17,244 INFO L87 Difference]: Start difference. First operand 80 states and 100 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:54:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:17,362 INFO L93 Difference]: Finished difference Result 82 states and 100 transitions. [2024-11-14 04:54:17,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:54:17,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2024-11-14 04:54:17,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:17,364 INFO L225 Difference]: With dead ends: 82 [2024-11-14 04:54:17,364 INFO L226 Difference]: Without dead ends: 77 [2024-11-14 04:54:17,364 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 [2024-11-14 04:54:17,365 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 19 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:17,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 69 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:54:17,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-14 04:54:17,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-14 04:54:17,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 61 states have internal predecessors, (66), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:54:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 94 transitions. [2024-11-14 04:54:17,377 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 94 transitions. Word has length 27 [2024-11-14 04:54:17,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:17,378 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 94 transitions. [2024-11-14 04:54:17,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:54:17,378 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2024-11-14 04:54:17,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-14 04:54:17,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:17,379 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:17,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 04:54:17,379 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:17,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:17,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1721216523, now seen corresponding path program 1 times [2024-11-14 04:54:17,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:17,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753404542] [2024-11-14 04:54:17,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:17,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:17,497 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:54:17,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:17,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753404542] [2024-11-14 04:54:17,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753404542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:17,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:54:17,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:54:17,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248676616] [2024-11-14 04:54:17,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:17,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:54:17,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:17,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:54:17,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:54:17,500 INFO L87 Difference]: Start difference. First operand 77 states and 94 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:54:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:17,584 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2024-11-14 04:54:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:54:17,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2024-11-14 04:54:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:17,585 INFO L225 Difference]: With dead ends: 77 [2024-11-14 04:54:17,586 INFO L226 Difference]: Without dead ends: 73 [2024-11-14 04:54:17,586 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 [2024-11-14 04:54:17,587 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 16 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:17,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 73 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:54:17,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-14 04:54:17,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2024-11-14 04:54:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 55 states have internal predecessors, (58), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 04:54:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions. [2024-11-14 04:54:17,607 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 28 [2024-11-14 04:54:17,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:17,608 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions. [2024-11-14 04:54:17,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:54:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2024-11-14 04:54:17,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 04:54:17,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:17,609 INFO L215 NwaCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:17,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 04:54:17,609 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:17,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:17,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1680472090, now seen corresponding path program 1 times [2024-11-14 04:54:17,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:17,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708557927] [2024-11-14 04:54:17,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:17,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:54:17,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:17,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708557927] [2024-11-14 04:54:17,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708557927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:54:17,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210095080] [2024-11-14 04:54:17,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:17,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:17,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:54:17,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:54:17,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:54:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:17,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:54:17,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:54:18,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:54:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:54:18,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210095080] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:54:18,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [849804712] [2024-11-14 04:54:18,283 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2024-11-14 04:54:18,283 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:54:18,287 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:54:18,292 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:54:18,292 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:54:20,048 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-14 04:54:20,051 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:54:20,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [849804712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:20,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:54:20,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 6, 6] total 20 [2024-11-14 04:54:20,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611935704] [2024-11-14 04:54:20,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:20,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 04:54:20,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:20,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 04:54:20,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-14 04:54:20,720 INFO L87 Difference]: Start difference. First operand 70 states and 84 transitions. Second operand has 9 states, 6 states have (on average 2.5) internal successors, (15), 8 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:54:21,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:21,299 INFO L93 Difference]: Finished difference Result 118 states and 144 transitions. [2024-11-14 04:54:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:54:21,301 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 2.5) internal successors, (15), 8 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2024-11-14 04:54:21,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:21,302 INFO L225 Difference]: With dead ends: 118 [2024-11-14 04:54:21,303 INFO L226 Difference]: Without dead ends: 110 [2024-11-14 04:54:21,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2024-11-14 04:54:21,304 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 25 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:21,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 37 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 04:54:21,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-14 04:54:21,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-11-14 04:54:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 83 states have internal predecessors, (87), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 04:54:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 135 transitions. [2024-11-14 04:54:21,337 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 135 transitions. Word has length 35 [2024-11-14 04:54:21,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:21,341 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 135 transitions. [2024-11-14 04:54:21,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 2.5) internal successors, (15), 8 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:54:21,342 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2024-11-14 04:54:21,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 04:54:21,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:21,344 INFO L215 NwaCegarLoop]: trace histogram [12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:21,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:54:21,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:21,545 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:21,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:21,545 INFO L85 PathProgramCache]: Analyzing trace with hash -168081288, now seen corresponding path program 1 times [2024-11-14 04:54:21,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:21,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683625423] [2024-11-14 04:54:21,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:21,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-14 04:54:22,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:22,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683625423] [2024-11-14 04:54:22,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683625423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:54:22,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843328204] [2024-11-14 04:54:22,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:22,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:22,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:54:22,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:54:22,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:54:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:22,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:54:22,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-14 04:54:22,683 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:54:22,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843328204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:22,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:54:22,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2024-11-14 04:54:22,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090536955] [2024-11-14 04:54:22,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:22,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:54:22,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:22,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:54:22,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-14 04:54:22,687 INFO L87 Difference]: Start difference. First operand 109 states and 135 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-14 04:54:22,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:22,935 INFO L93 Difference]: Finished difference Result 109 states and 135 transitions. [2024-11-14 04:54:22,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:54:22,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 76 [2024-11-14 04:54:22,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:22,937 INFO L225 Difference]: With dead ends: 109 [2024-11-14 04:54:22,937 INFO L226 Difference]: Without dead ends: 107 [2024-11-14 04:54:22,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-14 04:54:22,938 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 24 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:22,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 70 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:54:22,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-14 04:54:22,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-14 04:54:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 74 states have (on average 1.1486486486486487) internal successors, (85), 81 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 04:54:22,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 133 transitions. [2024-11-14 04:54:22,968 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 133 transitions. Word has length 76 [2024-11-14 04:54:22,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:22,969 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 133 transitions. [2024-11-14 04:54:22,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-14 04:54:22,969 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 133 transitions. [2024-11-14 04:54:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 04:54:22,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:22,976 INFO L215 NwaCegarLoop]: trace histogram [13, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:23,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 04:54:23,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:23,177 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:23,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:23,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1911805836, now seen corresponding path program 1 times [2024-11-14 04:54:23,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:23,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68786515] [2024-11-14 04:54:23,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:23,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-14 04:54:23,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:23,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68786515] [2024-11-14 04:54:23,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68786515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:54:23,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632324212] [2024-11-14 04:54:23,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:23,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:23,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:54:23,813 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:54:23,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:54:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:23,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 04:54:23,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:24,492 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 1 proven. 32 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-14 04:54:24,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:54:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 1 proven. 32 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-14 04:54:25,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632324212] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:54:25,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1805785728] [2024-11-14 04:54:25,562 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2024-11-14 04:54:25,562 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:54:25,562 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:54:25,562 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:54:25,562 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:54:31,160 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-14 04:54:31,161 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:54:32,605 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3472#(and (<= 1 |#StackHeapBarrier|) (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 2147483647))' at error location [2024-11-14 04:54:32,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:54:32,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:54:32,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 32 [2024-11-14 04:54:32,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66782503] [2024-11-14 04:54:32,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:54:32,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 04:54:32,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:32,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 04:54:32,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=417, Invalid=1935, Unknown=0, NotChecked=0, Total=2352 [2024-11-14 04:54:32,609 INFO L87 Difference]: Start difference. First operand 107 states and 133 transitions. Second operand has 33 states, 32 states have (on average 3.9375) internal successors, (126), 33 states have internal predecessors, (126), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) [2024-11-14 04:54:33,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:33,132 INFO L93 Difference]: Finished difference Result 108 states and 133 transitions. [2024-11-14 04:54:33,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 04:54:33,133 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.9375) internal successors, (126), 33 states have internal predecessors, (126), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) Word has length 83 [2024-11-14 04:54:33,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:33,135 INFO L225 Difference]: With dead ends: 108 [2024-11-14 04:54:33,135 INFO L226 Difference]: Without dead ends: 103 [2024-11-14 04:54:33,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 205 SyntacticMatches, 7 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=480, Invalid=2276, Unknown=0, NotChecked=0, Total=2756 [2024-11-14 04:54:33,137 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 6 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:33,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 208 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:54:33,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-14 04:54:33,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 102. [2024-11-14 04:54:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 74 states have (on average 1.0810810810810811) internal successors, (80), 76 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 04:54:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 128 transitions. [2024-11-14 04:54:33,155 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 128 transitions. Word has length 83 [2024-11-14 04:54:33,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:33,155 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 128 transitions. [2024-11-14 04:54:33,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.9375) internal successors, (126), 33 states have internal predecessors, (126), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) [2024-11-14 04:54:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 128 transitions. [2024-11-14 04:54:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 04:54:33,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:33,157 INFO L215 NwaCegarLoop]: trace histogram [13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:33,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 04:54:33,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:33,362 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:33,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:33,363 INFO L85 PathProgramCache]: Analyzing trace with hash 863561289, now seen corresponding path program 1 times [2024-11-14 04:54:33,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:33,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036007374] [2024-11-14 04:54:33,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:33,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:33,811 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-14 04:54:33,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:33,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036007374] [2024-11-14 04:54:33,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036007374] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:54:33,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686851553] [2024-11-14 04:54:33,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:33,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:33,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:54:33,814 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:54:33,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:54:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:33,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:54:33,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-14 04:54:33,970 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:54:33,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686851553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:33,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:54:33,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 15 [2024-11-14 04:54:33,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589651545] [2024-11-14 04:54:33,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:33,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:54:33,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:33,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:54:33,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-14 04:54:33,972 INFO L87 Difference]: Start difference. First operand 102 states and 128 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 04:54:34,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:34,070 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2024-11-14 04:54:34,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:54:34,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2024-11-14 04:54:34,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:34,072 INFO L225 Difference]: With dead ends: 103 [2024-11-14 04:54:34,073 INFO L226 Difference]: Without dead ends: 102 [2024-11-14 04:54:34,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-14 04:54:34,074 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:34,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 114 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:54:34,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-14 04:54:34,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-14 04:54:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 74 states have (on average 1.0675675675675675) internal successors, (79), 76 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 04:54:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 127 transitions. [2024-11-14 04:54:34,090 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 127 transitions. Word has length 84 [2024-11-14 04:54:34,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:34,090 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 127 transitions. [2024-11-14 04:54:34,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 04:54:34,090 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2024-11-14 04:54:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-14 04:54:34,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:34,092 INFO L215 NwaCegarLoop]: trace histogram [17, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:34,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:54:34,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:34,296 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:34,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:34,297 INFO L85 PathProgramCache]: Analyzing trace with hash -674716229, now seen corresponding path program 2 times [2024-11-14 04:54:34,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:34,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612563945] [2024-11-14 04:54:34,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:34,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-14 04:54:34,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:34,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612563945] [2024-11-14 04:54:34,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612563945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:54:34,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826330559] [2024-11-14 04:54:34,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:54:34,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:34,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:54:34,815 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:54:34,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:54:34,881 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-14 04:54:34,881 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:54:34,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:54:34,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-14 04:54:35,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:54:35,235 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-14 04:54:35,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826330559] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:54:35,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1020267948] [2024-11-14 04:54:35,238 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2024-11-14 04:54:35,238 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:54:35,241 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:54:35,241 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:54:35,241 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:54:39,140 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-14 04:54:39,141 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:54:40,221 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4972#(and (<= 1 |#StackHeapBarrier|) (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 2147483647))' at error location [2024-11-14 04:54:40,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:54:40,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:54:40,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 23 [2024-11-14 04:54:40,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218585641] [2024-11-14 04:54:40,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:54:40,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-14 04:54:40,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:40,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-14 04:54:40,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1325, Unknown=0, NotChecked=0, Total=1560 [2024-11-14 04:54:40,224 INFO L87 Difference]: Start difference. First operand 102 states and 127 transitions. Second operand has 24 states, 23 states have (on average 5.0) internal successors, (115), 24 states have internal predecessors, (115), 8 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 8 states have call predecessors, (31), 8 states have call successors, (31) [2024-11-14 04:54:40,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:40,889 INFO L93 Difference]: Finished difference Result 251 states and 329 transitions. [2024-11-14 04:54:40,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 04:54:40,890 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.0) internal successors, (115), 24 states have internal predecessors, (115), 8 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 8 states have call predecessors, (31), 8 states have call successors, (31) Word has length 107 [2024-11-14 04:54:40,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:40,892 INFO L225 Difference]: With dead ends: 251 [2024-11-14 04:54:40,892 INFO L226 Difference]: Without dead ends: 250 [2024-11-14 04:54:40,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 288 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=287, Invalid=1605, Unknown=0, NotChecked=0, Total=1892 [2024-11-14 04:54:40,894 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 159 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:40,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 168 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 04:54:40,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-14 04:54:40,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 186. [2024-11-14 04:54:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 137 states have (on average 1.0656934306569343) internal successors, (146), 139 states have internal predecessors, (146), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-14 04:54:40,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 236 transitions. [2024-11-14 04:54:40,920 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 236 transitions. Word has length 107 [2024-11-14 04:54:40,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:40,921 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 236 transitions. [2024-11-14 04:54:40,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.0) internal successors, (115), 24 states have internal predecessors, (115), 8 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 8 states have call predecessors, (31), 8 states have call successors, (31) [2024-11-14 04:54:40,921 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 236 transitions. [2024-11-14 04:54:40,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 04:54:40,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:40,924 INFO L215 NwaCegarLoop]: trace histogram [24, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-14 04:54:40,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 04:54:41,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:41,125 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:41,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:41,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1190903537, now seen corresponding path program 1 times [2024-11-14 04:54:41,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:41,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376861093] [2024-11-14 04:54:41,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:41,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:41,873 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-11-14 04:54:41,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:41,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376861093] [2024-11-14 04:54:41,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376861093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:54:41,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312560879] [2024-11-14 04:54:41,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:41,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:41,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:54:41,876 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:54:41,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 04:54:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:41,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 04:54:42,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-14 04:54:42,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:54:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-14 04:54:43,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312560879] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:54:43,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1877568639] [2024-11-14 04:54:43,909 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2024-11-14 04:54:43,909 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:54:43,910 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:54:43,910 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:54:43,910 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:54:47,405 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-14 04:54:47,406 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:54:48,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1877568639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:48,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:54:48,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [16, 15, 17] total 60 [2024-11-14 04:54:48,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341032497] [2024-11-14 04:54:48,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:48,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-14 04:54:48,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:48,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-14 04:54:48,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=738, Invalid=2922, Unknown=0, NotChecked=0, Total=3660 [2024-11-14 04:54:48,846 INFO L87 Difference]: Start difference. First operand 186 states and 236 transitions. Second operand has 17 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 15 states have internal predecessors, (28), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 04:54:49,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:49,199 INFO L93 Difference]: Finished difference Result 187 states and 237 transitions. [2024-11-14 04:54:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 04:54:49,200 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 15 states have internal predecessors, (28), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Word has length 143 [2024-11-14 04:54:49,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:49,202 INFO L225 Difference]: With dead ends: 187 [2024-11-14 04:54:49,202 INFO L226 Difference]: Without dead ends: 185 [2024-11-14 04:54:49,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 374 SyntacticMatches, 13 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2851 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=778, Invalid=3128, Unknown=0, NotChecked=0, Total=3906 [2024-11-14 04:54:49,204 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:49,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 8 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:54:49,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-14 04:54:49,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 184. [2024-11-14 04:54:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 137 states have (on average 1.051094890510949) internal successors, (144), 137 states have internal predecessors, (144), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-14 04:54:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 234 transitions. [2024-11-14 04:54:49,232 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 234 transitions. Word has length 143 [2024-11-14 04:54:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:49,233 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 234 transitions. [2024-11-14 04:54:49,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 15 states have internal predecessors, (28), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 04:54:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 234 transitions. [2024-11-14 04:54:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-14 04:54:49,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:49,236 INFO L215 NwaCegarLoop]: trace histogram [37, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:49,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 04:54:49,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-14 04:54:49,441 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-14 04:54:49,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:49,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1541961097, now seen corresponding path program 3 times [2024-11-14 04:54:49,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:54:49,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427368061] [2024-11-14 04:54:49,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:49,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:54:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1826 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2024-11-14 04:54:50,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:54:50,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427368061] [2024-11-14 04:54:50,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427368061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:54:50,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228140320] [2024-11-14 04:54:50,521 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 04:54:50,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:50,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:54:50,524 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:54:50,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:54:50,677 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 04:54:50,678 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:54:50,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:54:50,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1826 backedges. 1038 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2024-11-14 04:54:50,804 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:54:50,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228140320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:50,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:54:50,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [24] total 28 [2024-11-14 04:54:50,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646510046] [2024-11-14 04:54:50,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:50,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:54:50,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:54:50,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:54:50,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2024-11-14 04:54:50,806 INFO L87 Difference]: Start difference. First operand 184 states and 234 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-14 04:54:50,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:50,894 INFO L93 Difference]: Finished difference Result 297 states and 377 transitions. [2024-11-14 04:54:50,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:54:50,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 222 [2024-11-14 04:54:50,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:50,898 INFO L225 Difference]: With dead ends: 297 [2024-11-14 04:54:50,898 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:54:50,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2024-11-14 04:54:50,900 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 24 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:50,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 63 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:54:50,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:54:50,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:54:50,901 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) [2024-11-14 04:54:50,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:54:50,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2024-11-14 04:54:50,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:50,905 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:54:50,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-14 04:54:50,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:54:50,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:54:50,908 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-14 04:54:50,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-14 04:54:50,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-14 04:54:50,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-14 04:54:50,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-14 04:54:50,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-14 04:54:50,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-14 04:54:50,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-14 04:54:50,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-14 04:54:50,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-14 04:54:50,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-14 04:54:50,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-14 04:54:50,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-14 04:54:50,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-14 04:54:50,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-14 04:54:50,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-14 04:54:50,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-14 04:54:50,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-14 04:54:50,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-14 04:54:50,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-14 04:54:50,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-14 04:54:50,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-14 04:54:50,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:54:51,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-14 04:54:51,118 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:54:51,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:54:51,901 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:54:51,912 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:54:51,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:54:51,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:54:51,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:54:51,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:54:51,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:54:51,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:54:51,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:54:51,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:54:51,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:54:51,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:54:51,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:54:51,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:54:51,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:54:51,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:54:51,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:54:51,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:54:51,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:54:51,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:54:51,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:54:51,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:54:51,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:54:51,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:54:51,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:54:51,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:54:51,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:54:51,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:54:51,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:54:51,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:54:51,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:54:51,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:54:51,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:54:51,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:54:51,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:54:51,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:54:51,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:54:51,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:54:51,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:54:51,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:54:51,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:54:51,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:54:51,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:54:51,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:54:51,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:54:51,922 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:54:51,922 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:54:51,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:54:51 BoogieIcfgContainer [2024-11-14 04:54:51,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:54:51,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:54:51,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:54:51,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:54:51,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:54:15" (3/4) ... [2024-11-14 04:54:51,948 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:54:51,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-14 04:54:51,960 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-14 04:54:51,960 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-14 04:54:51,960 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:54:51,961 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:54:52,049 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:54:52,050 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:54:52,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:54:52,051 INFO L158 Benchmark]: Toolchain (without parser) took 37794.94ms. Allocated memory was 142.6MB in the beginning and 906.0MB in the end (delta: 763.4MB). Free memory was 119.6MB in the beginning and 870.1MB in the end (delta: -750.5MB). Peak memory consumption was 537.2MB. Max. memory is 16.1GB. [2024-11-14 04:54:52,054 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:54:52,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.91ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:54:52,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.82ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:54:52,055 INFO L158 Benchmark]: Boogie Preprocessor took 24.78ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.7MB in the end (delta: 708.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:54:52,055 INFO L158 Benchmark]: RCFGBuilder took 472.28ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 91.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:54:52,056 INFO L158 Benchmark]: TraceAbstraction took 36886.13ms. Allocated memory was 142.6MB in the beginning and 906.0MB in the end (delta: 763.4MB). Free memory was 90.9MB in the beginning and 351.5MB in the end (delta: -260.6MB). Peak memory consumption was 503.5MB. Max. memory is 16.1GB. [2024-11-14 04:54:52,056 INFO L158 Benchmark]: Witness Printer took 115.25ms. Allocated memory is still 906.0MB. Free memory was 347.6MB in the beginning and 870.1MB in the end (delta: -522.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-14 04:54:52,058 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.91ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.82ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.78ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.7MB in the end (delta: 708.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.28ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 91.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 36886.13ms. Allocated memory was 142.6MB in the beginning and 906.0MB in the end (delta: 763.4MB). Free memory was 90.9MB in the beginning and 351.5MB in the end (delta: -260.6MB). Peak memory consumption was 503.5MB. Max. memory is 16.1GB. * Witness Printer took 115.25ms. Allocated memory is still 906.0MB. Free memory was 347.6MB in the beginning and 870.1MB in the end (delta: -522.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier * 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: 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 2 procedures, 58 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 36.0s, OverallIterations: 15, TraceHistogramMax: 37, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 487 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 396 mSDsluCounter, 1478 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 954 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2360 IncrementalHoareTripleChecker+Invalid, 2475 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 524 mSDtfsCounter, 2360 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1613 GetRequests, 1332 SyntacticMatches, 37 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5553 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=13, InterpolantAutomatonStates: 110, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 132 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 1625 NumberOfCodeBlocks, 1549 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1967 ConstructedInterpolants, 0 QuantifiedInterpolants, 8113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1739 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 26 InterpolantComputations, 11 PerfectInterpolantSequences, 7020/8064 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: OVERALL_TIME: 5.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 147, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 229, TOOLS_POST_TIME: 1.5s, TOOLS_POST_CALL_APPLICATIONS: 160, TOOLS_POST_CALL_TIME: 1.7s, TOOLS_POST_RETURN_APPLICATIONS: 148, TOOLS_POST_RETURN_TIME: 1.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 537, TOOLS_QUANTIFIERELIM_TIME: 4.2s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 485, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 128, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 147, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 3.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.9s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 148, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 4433, DAG_COMPRESSION_RETAINED_NODES: 275, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((i == 0) && (j == 0)) || ((2 == j) && (i == 1))) || (((j == 4) && (2 <= i)) && (i <= 5))) || ((i <= 3) && (j == 0))) || (((2 == j) && (i <= 4)) && (2 <= i))) - ProcedureContractResult [Line: 13]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-14 04:54:52,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90440ecb-6e1a-43ad-93dd-cac134a66519/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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