./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1-2.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_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:50:04,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:50:04,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 14:50:05,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:50:05,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:50:05,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:50:05,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:50:05,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:50:05,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:50:05,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:50:05,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:50:05,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:50:05,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:50:05,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:50:05,051 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:50:05,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:50:05,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:50:05,052 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:50:05,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:50:05,052 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:50:05,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:50:05,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:50:05,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:50:05,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:50:05,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:50:05,053 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:50:05,053 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:50:05,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:50:05,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:50:05,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:50:05,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:50:05,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:50:05,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:50:05,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:50:05,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:50:05,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:50:05,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:50:05,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:50:05,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:50:05,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:50:05,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:50:05,056 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:50:05,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:50:05,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:50:05,057 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c [2024-11-13 14:50:05,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:50:05,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:50:05,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:50:05,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:50:05,383 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:50:05,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/bitvector/byte_add_1-2.i Unable to find full path for "g++" [2024-11-13 14:50:07,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:50:07,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:50:07,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/sv-benchmarks/c/bitvector/byte_add_1-2.i [2024-11-13 14:50:07,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/data/4856216fb/79ef48f72a40492e858212a4c054d5ed/FLAG078d3332d [2024-11-13 14:50:07,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/data/4856216fb/79ef48f72a40492e858212a4c054d5ed [2024-11-13 14:50:07,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:50:07,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:50:07,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:50:07,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:50:07,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:50:07,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:50:07" (1/1) ... [2024-11-13 14:50:07,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f528f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:07, skipping insertion in model container [2024-11-13 14:50:07,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:50:07" (1/1) ... [2024-11-13 14:50:08,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:50:08,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:50:08,274 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:50:08,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:50:08,363 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:50:08,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08 WrapperNode [2024-11-13 14:50:08,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:50:08,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:50:08,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:50:08,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:50:08,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,440 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 188 [2024-11-13 14:50:08,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:50:08,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:50:08,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:50:08,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:50:08,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,462 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,486 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:50:08,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:50:08,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:50:08,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:50:08,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:50:08,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (1/1) ... [2024-11-13 14:50:08,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:50:08,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:08,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:50:08,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:50:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:50:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:50:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:50:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:50:08,690 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:50:08,692 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:50:09,231 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 14:50:09,233 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:50:09,248 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:50:09,249 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:50:09,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:09 BoogieIcfgContainer [2024-11-13 14:50:09,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:50:09,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:50:09,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:50:09,258 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:50:09,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:50:07" (1/3) ... [2024-11-13 14:50:09,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ea1cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:50:09, skipping insertion in model container [2024-11-13 14:50:09,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:08" (2/3) ... [2024-11-13 14:50:09,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ea1cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:50:09, skipping insertion in model container [2024-11-13 14:50:09,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:09" (3/3) ... [2024-11-13 14:50:09,262 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_1-2.i [2024-11-13 14:50:09,282 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:50:09,284 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG byte_add_1-2.i that has 1 procedures, 132 locations, 1 initial locations, 2 loop locations, and 41 error locations. [2024-11-13 14:50:09,354 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:50:09,371 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@592e0525, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:50:09,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2024-11-13 14:50:09,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 90 states have (on average 1.8666666666666667) internal successors, (168), 131 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:09,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 14:50:09,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:09,386 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 14:50:09,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:09,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:09,392 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2024-11-13 14:50:09,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:09,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069122201] [2024-11-13 14:50:09,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:09,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:50:09,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:09,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069122201] [2024-11-13 14:50:09,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069122201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:09,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:09,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 14:50:09,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113437176] [2024-11-13 14:50:09,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:09,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:50:09,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:09,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:50:09,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:50:09,696 INFO L87 Difference]: Start difference. First operand has 132 states, 90 states have (on average 1.8666666666666667) internal successors, (168), 131 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2024-11-13 14:50:09,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:09,728 INFO L93 Difference]: Finished difference Result 167 states and 226 transitions. [2024-11-13 14:50:09,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:50:09,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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 [2024-11-13 14:50:09,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:09,739 INFO L225 Difference]: With dead ends: 167 [2024-11-13 14:50:09,740 INFO L226 Difference]: Without dead ends: 79 [2024-11-13 14:50:09,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:50:09,748 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:09,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:50:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-13 14:50:09,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-13 14:50:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions. [2024-11-13 14:50:09,794 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 4 [2024-11-13 14:50:09,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:09,794 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 109 transitions. [2024-11-13 14:50:09,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2024-11-13 14:50:09,795 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2024-11-13 14:50:09,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 14:50:09,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:09,796 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:09,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:50:09,796 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:09,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:09,797 INFO L85 PathProgramCache]: Analyzing trace with hash -764641379, now seen corresponding path program 1 times [2024-11-13 14:50:09,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:09,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714478054] [2024-11-13 14:50:09,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:09,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:50:10,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:10,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714478054] [2024-11-13 14:50:10,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714478054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:10,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:10,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:50:10,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138410569] [2024-11-13 14:50:10,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:10,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:50:10,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:10,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:50:10,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:50:10,049 INFO L87 Difference]: Start difference. First operand 79 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:10,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:10,249 INFO L93 Difference]: Finished difference Result 165 states and 240 transitions. [2024-11-13 14:50:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:50:10,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-13 14:50:10,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:10,251 INFO L225 Difference]: With dead ends: 165 [2024-11-13 14:50:10,251 INFO L226 Difference]: Without dead ends: 108 [2024-11-13 14:50:10,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:50:10,253 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 30 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:10,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 149 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:50:10,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-13 14:50:10,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2024-11-13 14:50:10,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 103 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 138 transitions. [2024-11-13 14:50:10,262 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 138 transitions. Word has length 19 [2024-11-13 14:50:10,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:10,262 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 138 transitions. [2024-11-13 14:50:10,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 138 transitions. [2024-11-13 14:50:10,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 14:50:10,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:10,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:10,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:50:10,264 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:10,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:10,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1236814687, now seen corresponding path program 1 times [2024-11-13 14:50:10,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:10,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507210287] [2024-11-13 14:50:10,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:10,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:50:10,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:10,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507210287] [2024-11-13 14:50:10,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507210287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:10,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:10,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:50:10,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725338337] [2024-11-13 14:50:10,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:10,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:50:10,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:10,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:50:10,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:50:10,522 INFO L87 Difference]: Start difference. First operand 104 states and 138 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:10,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:10,882 INFO L93 Difference]: Finished difference Result 234 states and 345 transitions. [2024-11-13 14:50:10,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:50:10,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-13 14:50:10,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:10,883 INFO L225 Difference]: With dead ends: 234 [2024-11-13 14:50:10,884 INFO L226 Difference]: Without dead ends: 177 [2024-11-13 14:50:10,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:50:10,885 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 114 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:10,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 204 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:50:10,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-13 14:50:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 129. [2024-11-13 14:50:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 128 states have (on average 1.3671875) internal successors, (175), 128 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:10,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 175 transitions. [2024-11-13 14:50:10,906 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 175 transitions. Word has length 26 [2024-11-13 14:50:10,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:10,906 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 175 transitions. [2024-11-13 14:50:10,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:10,907 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 175 transitions. [2024-11-13 14:50:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 14:50:10,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:10,908 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:50:10,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:50:10,908 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:10,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:10,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1192634777, now seen corresponding path program 1 times [2024-11-13 14:50:10,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:10,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442254282] [2024-11-13 14:50:10,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:10,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 14:50:11,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:11,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442254282] [2024-11-13 14:50:11,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442254282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:11,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:11,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:50:11,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875643494] [2024-11-13 14:50:11,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:11,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:50:11,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:11,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:50:11,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:50:11,199 INFO L87 Difference]: Start difference. First operand 129 states and 175 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:11,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:11,411 INFO L93 Difference]: Finished difference Result 335 states and 454 transitions. [2024-11-13 14:50:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:50:11,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 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 33 [2024-11-13 14:50:11,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:11,413 INFO L225 Difference]: With dead ends: 335 [2024-11-13 14:50:11,414 INFO L226 Difference]: Without dead ends: 231 [2024-11-13 14:50:11,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:50:11,415 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 110 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:11,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 310 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:50:11,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-13 14:50:11,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 142. [2024-11-13 14:50:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 141 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2024-11-13 14:50:11,429 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2024-11-13 14:50:11,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:11,429 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2024-11-13 14:50:11,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2024-11-13 14:50:11,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 14:50:11,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:11,431 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2024-11-13 14:50:11,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:50:11,431 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:11,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:11,432 INFO L85 PathProgramCache]: Analyzing trace with hash 141301621, now seen corresponding path program 1 times [2024-11-13 14:50:11,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:11,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752148973] [2024-11-13 14:50:11,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:11,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 14:50:11,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:11,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752148973] [2024-11-13 14:50:11,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752148973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:11,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:11,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:50:11,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836437788] [2024-11-13 14:50:11,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:11,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:50:11,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:11,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:50:11,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:50:11,567 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:11,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:11,762 INFO L93 Difference]: Finished difference Result 341 states and 460 transitions. [2024-11-13 14:50:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:50:11,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-13 14:50:11,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:11,764 INFO L225 Difference]: With dead ends: 341 [2024-11-13 14:50:11,764 INFO L226 Difference]: Without dead ends: 237 [2024-11-13 14:50:11,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:50:11,766 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 99 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:11,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 300 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:50:11,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-13 14:50:11,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 155. [2024-11-13 14:50:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3311688311688312) internal successors, (205), 154 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:11,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 205 transitions. [2024-11-13 14:50:11,796 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 205 transitions. Word has length 36 [2024-11-13 14:50:11,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:11,796 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 205 transitions. [2024-11-13 14:50:11,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:11,796 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 205 transitions. [2024-11-13 14:50:11,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 14:50:11,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:11,798 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:11,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:50:11,798 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:11,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:11,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1798414910, now seen corresponding path program 1 times [2024-11-13 14:50:11,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:11,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55319305] [2024-11-13 14:50:11,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:11,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:50:11,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:11,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55319305] [2024-11-13 14:50:11,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55319305] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:11,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088724024] [2024-11-13 14:50:11,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:11,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:11,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:11,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:11,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:50:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:12,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:50:12,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 14:50:12,143 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:50:12,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088724024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:12,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:50:12,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-13 14:50:12,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79296590] [2024-11-13 14:50:12,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:12,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:50:12,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:12,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:50:12,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:50:12,146 INFO L87 Difference]: Start difference. First operand 155 states and 205 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:12,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:12,440 INFO L93 Difference]: Finished difference Result 310 states and 439 transitions. [2024-11-13 14:50:12,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:50:12,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 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 39 [2024-11-13 14:50:12,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:12,441 INFO L225 Difference]: With dead ends: 310 [2024-11-13 14:50:12,442 INFO L226 Difference]: Without dead ends: 208 [2024-11-13 14:50:12,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:50:12,443 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 48 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:12,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 247 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:50:12,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-13 14:50:12,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 186. [2024-11-13 14:50:12,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.308108108108108) internal successors, (242), 185 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:12,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 242 transitions. [2024-11-13 14:50:12,470 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 242 transitions. Word has length 39 [2024-11-13 14:50:12,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:12,471 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 242 transitions. [2024-11-13 14:50:12,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:12,471 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2024-11-13 14:50:12,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 14:50:12,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:12,472 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2024-11-13 14:50:12,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:50:12,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:12,680 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:12,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:12,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1004939806, now seen corresponding path program 1 times [2024-11-13 14:50:12,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:12,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292403889] [2024-11-13 14:50:12,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:12,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:12,930 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:50:12,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:12,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292403889] [2024-11-13 14:50:12,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292403889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:12,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032690894] [2024-11-13 14:50:12,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:12,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:12,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:12,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:12,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:50:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:13,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:50:13,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 14:50:13,071 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:50:13,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032690894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:13,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:50:13,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-13 14:50:13,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523726573] [2024-11-13 14:50:13,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:13,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:50:13,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:13,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:50:13,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:50:13,073 INFO L87 Difference]: Start difference. First operand 186 states and 242 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:13,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:13,320 INFO L93 Difference]: Finished difference Result 372 states and 507 transitions. [2024-11-13 14:50:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:50:13,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 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 46 [2024-11-13 14:50:13,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:13,322 INFO L225 Difference]: With dead ends: 372 [2024-11-13 14:50:13,323 INFO L226 Difference]: Without dead ends: 239 [2024-11-13 14:50:13,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:50:13,324 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 47 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:13,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 247 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:50:13,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-13 14:50:13,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 211. [2024-11-13 14:50:13,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.2904761904761906) internal successors, (271), 210 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 271 transitions. [2024-11-13 14:50:13,334 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 271 transitions. Word has length 46 [2024-11-13 14:50:13,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:13,335 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 271 transitions. [2024-11-13 14:50:13,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 271 transitions. [2024-11-13 14:50:13,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 14:50:13,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:13,337 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:13,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:50:13,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 14:50:13,538 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:13,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:13,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1412436614, now seen corresponding path program 1 times [2024-11-13 14:50:13,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:13,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680384719] [2024-11-13 14:50:13,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:13,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 14:50:13,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:13,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680384719] [2024-11-13 14:50:13,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680384719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:13,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:13,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:50:13,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304500411] [2024-11-13 14:50:13,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:13,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:50:13,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:13,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:50:13,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:50:13,630 INFO L87 Difference]: Start difference. First operand 211 states and 271 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:13,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:13,644 INFO L93 Difference]: Finished difference Result 258 states and 328 transitions. [2024-11-13 14:50:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:50:13,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 53 [2024-11-13 14:50:13,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:13,646 INFO L225 Difference]: With dead ends: 258 [2024-11-13 14:50:13,646 INFO L226 Difference]: Without dead ends: 185 [2024-11-13 14:50:13,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:50:13,647 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 16 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:13,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 225 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:50:13,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-13 14:50:13,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-13 14:50:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 184 states have (on average 1.2771739130434783) internal successors, (235), 184 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:13,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 235 transitions. [2024-11-13 14:50:13,658 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 235 transitions. Word has length 53 [2024-11-13 14:50:13,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:13,658 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 235 transitions. [2024-11-13 14:50:13,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 235 transitions. [2024-11-13 14:50:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 14:50:13,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:13,665 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:13,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:50:13,665 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:13,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:13,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1989700358, now seen corresponding path program 1 times [2024-11-13 14:50:13,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:13,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559664314] [2024-11-13 14:50:13,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:13,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-13 14:50:13,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:13,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559664314] [2024-11-13 14:50:13,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559664314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:13,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:13,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:50:13,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062631137] [2024-11-13 14:50:13,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:13,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:50:13,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:13,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:50:13,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:50:13,885 INFO L87 Difference]: Start difference. First operand 185 states and 235 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:14,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:14,105 INFO L93 Difference]: Finished difference Result 480 states and 612 transitions. [2024-11-13 14:50:14,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:50:14,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-13 14:50:14,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:14,107 INFO L225 Difference]: With dead ends: 480 [2024-11-13 14:50:14,107 INFO L226 Difference]: Without dead ends: 346 [2024-11-13 14:50:14,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:50:14,108 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 152 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:14,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 197 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:50:14,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-13 14:50:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 227. [2024-11-13 14:50:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.2743362831858407) internal successors, (288), 226 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 288 transitions. [2024-11-13 14:50:14,130 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 288 transitions. Word has length 65 [2024-11-13 14:50:14,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:14,130 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 288 transitions. [2024-11-13 14:50:14,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 288 transitions. [2024-11-13 14:50:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 14:50:14,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:14,131 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:14,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:50:14,133 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:14,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:14,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1904855915, now seen corresponding path program 1 times [2024-11-13 14:50:14,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:14,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093781824] [2024-11-13 14:50:14,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:14,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 14:50:14,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:14,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093781824] [2024-11-13 14:50:14,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093781824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:14,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:14,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:50:14,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851052621] [2024-11-13 14:50:14,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:14,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:50:14,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:14,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:50:14,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:50:14,296 INFO L87 Difference]: Start difference. First operand 227 states and 288 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:14,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:14,383 INFO L93 Difference]: Finished difference Result 513 states and 651 transitions. [2024-11-13 14:50:14,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:50:14,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-13 14:50:14,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:14,385 INFO L225 Difference]: With dead ends: 513 [2024-11-13 14:50:14,385 INFO L226 Difference]: Without dead ends: 337 [2024-11-13 14:50:14,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:50:14,386 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 68 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:14,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 387 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:50:14,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-13 14:50:14,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 249. [2024-11-13 14:50:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 1.2983870967741935) internal successors, (322), 248 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 322 transitions. [2024-11-13 14:50:14,397 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 322 transitions. Word has length 68 [2024-11-13 14:50:14,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:14,398 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 322 transitions. [2024-11-13 14:50:14,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 322 transitions. [2024-11-13 14:50:14,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 14:50:14,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:14,399 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:14,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:50:14,399 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:14,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:14,400 INFO L85 PathProgramCache]: Analyzing trace with hash -924226219, now seen corresponding path program 1 times [2024-11-13 14:50:14,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:14,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961626844] [2024-11-13 14:50:14,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:14,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:14,627 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 14:50:14,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:14,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961626844] [2024-11-13 14:50:14,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961626844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:14,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:14,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:50:14,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435079956] [2024-11-13 14:50:14,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:14,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:50:14,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:14,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:50:14,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:50:14,629 INFO L87 Difference]: Start difference. First operand 249 states and 322 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:14,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:14,923 INFO L93 Difference]: Finished difference Result 685 states and 891 transitions. [2024-11-13 14:50:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:50:14,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-13 14:50:14,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:14,926 INFO L225 Difference]: With dead ends: 685 [2024-11-13 14:50:14,927 INFO L226 Difference]: Without dead ends: 482 [2024-11-13 14:50:14,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:50:14,929 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 162 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:14,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 232 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:50:14,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-13 14:50:14,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 407. [2024-11-13 14:50:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.2857142857142858) internal successors, (522), 406 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 522 transitions. [2024-11-13 14:50:14,958 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 522 transitions. Word has length 74 [2024-11-13 14:50:14,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:14,958 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 522 transitions. [2024-11-13 14:50:14,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 522 transitions. [2024-11-13 14:50:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 14:50:14,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:14,960 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:14,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:50:14,960 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:14,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:14,960 INFO L85 PathProgramCache]: Analyzing trace with hash -949051847, now seen corresponding path program 1 times [2024-11-13 14:50:14,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:14,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109412018] [2024-11-13 14:50:14,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:14,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 14:50:15,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:15,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109412018] [2024-11-13 14:50:15,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109412018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:15,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027669424] [2024-11-13 14:50:15,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:15,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:15,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:15,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:15,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:50:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:15,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:50:15,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 14:50:15,294 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:50:15,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027669424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:15,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:50:15,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2024-11-13 14:50:15,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963695831] [2024-11-13 14:50:15,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:15,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:50:15,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:15,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:50:15,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:50:15,296 INFO L87 Difference]: Start difference. First operand 407 states and 522 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:15,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:15,434 INFO L93 Difference]: Finished difference Result 1047 states and 1341 transitions. [2024-11-13 14:50:15,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:50:15,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 74 [2024-11-13 14:50:15,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:15,438 INFO L225 Difference]: With dead ends: 1047 [2024-11-13 14:50:15,438 INFO L226 Difference]: Without dead ends: 649 [2024-11-13 14:50:15,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:50:15,439 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 49 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:15,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 177 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:50:15,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-11-13 14:50:15,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 555. [2024-11-13 14:50:15,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 554 states have (on average 1.2761732851985559) internal successors, (707), 554 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:15,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 707 transitions. [2024-11-13 14:50:15,484 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 707 transitions. Word has length 74 [2024-11-13 14:50:15,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:15,485 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 707 transitions. [2024-11-13 14:50:15,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:15,485 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 707 transitions. [2024-11-13 14:50:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 14:50:15,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:15,491 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:15,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 14:50:15,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:15,691 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:15,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:15,692 INFO L85 PathProgramCache]: Analyzing trace with hash -2090410366, now seen corresponding path program 1 times [2024-11-13 14:50:15,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:15,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62010370] [2024-11-13 14:50:15,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:15,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 14:50:15,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:15,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62010370] [2024-11-13 14:50:15,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62010370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:15,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:15,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:50:15,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224343537] [2024-11-13 14:50:15,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:15,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:50:15,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:15,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:50:15,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:50:15,883 INFO L87 Difference]: Start difference. First operand 555 states and 707 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:16,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:16,230 INFO L93 Difference]: Finished difference Result 1345 states and 1704 transitions. [2024-11-13 14:50:16,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:50:16,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-13 14:50:16,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:16,234 INFO L225 Difference]: With dead ends: 1345 [2024-11-13 14:50:16,234 INFO L226 Difference]: Without dead ends: 794 [2024-11-13 14:50:16,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:50:16,235 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 156 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:16,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 349 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:50:16,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-11-13 14:50:16,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 696. [2024-11-13 14:50:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 695 states have (on average 1.2618705035971223) internal successors, (877), 695 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:16,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 877 transitions. [2024-11-13 14:50:16,267 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 877 transitions. Word has length 74 [2024-11-13 14:50:16,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:16,268 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 877 transitions. [2024-11-13 14:50:16,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 877 transitions. [2024-11-13 14:50:16,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 14:50:16,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:16,270 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:16,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:50:16,271 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:16,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:16,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1762865843, now seen corresponding path program 1 times [2024-11-13 14:50:16,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:16,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261901234] [2024-11-13 14:50:16,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:16,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 14:50:16,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:16,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261901234] [2024-11-13 14:50:16,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261901234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:16,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:16,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:50:16,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113672482] [2024-11-13 14:50:16,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:16,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:50:16,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:16,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:50:16,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:50:16,512 INFO L87 Difference]: Start difference. First operand 696 states and 877 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:17,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:17,012 INFO L93 Difference]: Finished difference Result 1731 states and 2171 transitions. [2024-11-13 14:50:17,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:50:17,012 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-13 14:50:17,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:17,016 INFO L225 Difference]: With dead ends: 1731 [2024-11-13 14:50:17,016 INFO L226 Difference]: Without dead ends: 961 [2024-11-13 14:50:17,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:50:17,018 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 198 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:17,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 319 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:50:17,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2024-11-13 14:50:17,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 826. [2024-11-13 14:50:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 825 states have (on average 1.2642424242424242) internal successors, (1043), 825 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1043 transitions. [2024-11-13 14:50:17,058 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1043 transitions. Word has length 80 [2024-11-13 14:50:17,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:17,059 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1043 transitions. [2024-11-13 14:50:17,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:17,059 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1043 transitions. [2024-11-13 14:50:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 14:50:17,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:17,061 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:17,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:50:17,061 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:17,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:17,062 INFO L85 PathProgramCache]: Analyzing trace with hash 913170045, now seen corresponding path program 1 times [2024-11-13 14:50:17,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:17,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586450876] [2024-11-13 14:50:17,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:17,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 14:50:17,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:17,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586450876] [2024-11-13 14:50:17,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586450876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:17,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720198049] [2024-11-13 14:50:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:17,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:17,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:17,238 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:17,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:50:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:17,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 14:50:17,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 26 proven. 43 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 14:50:17,466 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:50:17,577 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 14:50:17,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720198049] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:50:17,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:50:17,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 9 [2024-11-13 14:50:17,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158429732] [2024-11-13 14:50:17,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:50:17,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:50:17,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:17,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:50:17,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:50:17,583 INFO L87 Difference]: Start difference. First operand 826 states and 1043 transitions. Second operand has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:19,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:19,578 INFO L93 Difference]: Finished difference Result 4972 states and 6140 transitions. [2024-11-13 14:50:19,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-13 14:50:19,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-13 14:50:19,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:19,594 INFO L225 Difference]: With dead ends: 4972 [2024-11-13 14:50:19,594 INFO L226 Difference]: Without dead ends: 4016 [2024-11-13 14:50:19,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=592, Invalid=2600, Unknown=0, NotChecked=0, Total=3192 [2024-11-13 14:50:19,598 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 872 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:19,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [872 Valid, 1280 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:50:19,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4016 states. [2024-11-13 14:50:19,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4016 to 1079. [2024-11-13 14:50:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1078 states have (on average 1.4063079777365493) internal successors, (1516), 1078 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1516 transitions. [2024-11-13 14:50:19,746 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1516 transitions. Word has length 80 [2024-11-13 14:50:19,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:19,746 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1516 transitions. [2024-11-13 14:50:19,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:19,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1516 transitions. [2024-11-13 14:50:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 14:50:19,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:19,749 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:19,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 14:50:19,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:19,954 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:19,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:19,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1164833316, now seen corresponding path program 1 times [2024-11-13 14:50:19,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:19,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975332487] [2024-11-13 14:50:19,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:19,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:20,172 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 14:50:20,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:20,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975332487] [2024-11-13 14:50:20,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975332487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:20,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:20,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:50:20,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884646726] [2024-11-13 14:50:20,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:20,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:50:20,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:20,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:50:20,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:50:20,174 INFO L87 Difference]: Start difference. First operand 1079 states and 1516 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:20,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:20,638 INFO L93 Difference]: Finished difference Result 2425 states and 3400 transitions. [2024-11-13 14:50:20,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:50:20,639 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-13 14:50:20,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:20,646 INFO L225 Difference]: With dead ends: 2425 [2024-11-13 14:50:20,646 INFO L226 Difference]: Without dead ends: 1331 [2024-11-13 14:50:20,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:50:20,649 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 254 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:20,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 306 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:50:20,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-11-13 14:50:20,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1239. [2024-11-13 14:50:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1238 states have (on average 1.4103392568659128) internal successors, (1746), 1238 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1746 transitions. [2024-11-13 14:50:20,714 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1746 transitions. Word has length 80 [2024-11-13 14:50:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:20,714 INFO L471 AbstractCegarLoop]: Abstraction has 1239 states and 1746 transitions. [2024-11-13 14:50:20,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1746 transitions. [2024-11-13 14:50:20,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:50:20,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:20,717 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:20,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:50:20,718 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:20,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:20,718 INFO L85 PathProgramCache]: Analyzing trace with hash -186086173, now seen corresponding path program 1 times [2024-11-13 14:50:20,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:20,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110836676] [2024-11-13 14:50:20,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:20,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-13 14:50:20,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:20,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110836676] [2024-11-13 14:50:20,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110836676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:20,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:20,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:50:20,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813456442] [2024-11-13 14:50:20,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:20,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:50:20,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:20,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:50:20,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:50:20,953 INFO L87 Difference]: Start difference. First operand 1239 states and 1746 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:21,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:21,009 INFO L93 Difference]: Finished difference Result 2433 states and 3436 transitions. [2024-11-13 14:50:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:50:21,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 86 [2024-11-13 14:50:21,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:21,014 INFO L225 Difference]: With dead ends: 2433 [2024-11-13 14:50:21,015 INFO L226 Difference]: Without dead ends: 1213 [2024-11-13 14:50:21,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:50:21,018 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 92 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:21,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 93 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:50:21,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2024-11-13 14:50:21,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1213. [2024-11-13 14:50:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1212 states have (on average 1.4125412541254125) internal successors, (1712), 1212 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1712 transitions. [2024-11-13 14:50:21,089 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1712 transitions. Word has length 86 [2024-11-13 14:50:21,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:21,089 INFO L471 AbstractCegarLoop]: Abstraction has 1213 states and 1712 transitions. [2024-11-13 14:50:21,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1712 transitions. [2024-11-13 14:50:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:50:21,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:21,091 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:21,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:50:21,092 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:21,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:21,092 INFO L85 PathProgramCache]: Analyzing trace with hash -2118987656, now seen corresponding path program 1 times [2024-11-13 14:50:21,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:21,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324833343] [2024-11-13 14:50:21,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:21,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 14:50:21,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:21,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324833343] [2024-11-13 14:50:21,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324833343] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:21,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489135361] [2024-11-13 14:50:21,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:21,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:21,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:21,503 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:21,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:50:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:21,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 14:50:21,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 14:50:21,720 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:50:21,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489135361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:21,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:50:21,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-13 14:50:21,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670300811] [2024-11-13 14:50:21,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:21,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:50:21,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:21,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:50:21,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:50:21,722 INFO L87 Difference]: Start difference. First operand 1213 states and 1712 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:21,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:21,945 INFO L93 Difference]: Finished difference Result 3739 states and 5287 transitions. [2024-11-13 14:50:21,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:50:21,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 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 86 [2024-11-13 14:50:21,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:21,959 INFO L225 Difference]: With dead ends: 3739 [2024-11-13 14:50:21,959 INFO L226 Difference]: Without dead ends: 3543 [2024-11-13 14:50:21,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:50:21,961 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 126 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:21,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 357 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:50:21,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2024-11-13 14:50:22,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 1872. [2024-11-13 14:50:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1872 states, 1871 states have (on average 1.4270443613041155) internal successors, (2670), 1871 states have internal predecessors, (2670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 2670 transitions. [2024-11-13 14:50:22,082 INFO L78 Accepts]: Start accepts. Automaton has 1872 states and 2670 transitions. Word has length 86 [2024-11-13 14:50:22,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:22,082 INFO L471 AbstractCegarLoop]: Abstraction has 1872 states and 2670 transitions. [2024-11-13 14:50:22,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2670 transitions. [2024-11-13 14:50:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 14:50:22,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:22,085 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:22,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 14:50:22,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 14:50:22,290 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:22,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:22,290 INFO L85 PathProgramCache]: Analyzing trace with hash -871043926, now seen corresponding path program 1 times [2024-11-13 14:50:22,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:22,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81291097] [2024-11-13 14:50:22,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:22,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-13 14:50:22,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:22,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81291097] [2024-11-13 14:50:22,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81291097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:22,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:22,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:50:22,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056665196] [2024-11-13 14:50:22,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:22,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:50:22,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:22,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:50:22,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:50:22,536 INFO L87 Difference]: Start difference. First operand 1872 states and 2670 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:22,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:22,774 INFO L93 Difference]: Finished difference Result 4733 states and 6415 transitions. [2024-11-13 14:50:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:50:22,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 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 89 [2024-11-13 14:50:22,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:22,784 INFO L225 Difference]: With dead ends: 4733 [2024-11-13 14:50:22,785 INFO L226 Difference]: Without dead ends: 2892 [2024-11-13 14:50:22,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:50:22,787 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 246 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:22,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 338 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:50:22,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2892 states. [2024-11-13 14:50:22,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2892 to 2142. [2024-11-13 14:50:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2142 states, 2141 states have (on average 1.2993928070994862) internal successors, (2782), 2141 states have internal predecessors, (2782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 2142 states and 2782 transitions. [2024-11-13 14:50:22,896 INFO L78 Accepts]: Start accepts. Automaton has 2142 states and 2782 transitions. Word has length 89 [2024-11-13 14:50:22,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:22,896 INFO L471 AbstractCegarLoop]: Abstraction has 2142 states and 2782 transitions. [2024-11-13 14:50:22,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2782 transitions. [2024-11-13 14:50:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 14:50:22,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:22,900 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:22,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:50:22,900 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:22,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:22,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1226869476, now seen corresponding path program 1 times [2024-11-13 14:50:22,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:22,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926261967] [2024-11-13 14:50:22,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:22,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 33 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 14:50:23,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:23,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926261967] [2024-11-13 14:50:23,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926261967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:23,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32185365] [2024-11-13 14:50:23,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:23,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:23,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:23,296 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:23,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 14:50:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:23,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 14:50:23,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 14:50:23,567 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:50:23,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32185365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:23,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:50:23,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2024-11-13 14:50:23,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635894947] [2024-11-13 14:50:23,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:23,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:50:23,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:23,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:50:23,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:50:23,569 INFO L87 Difference]: Start difference. First operand 2142 states and 2782 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:23,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:23,964 INFO L93 Difference]: Finished difference Result 5572 states and 7155 transitions. [2024-11-13 14:50:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:50:23,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 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 89 [2024-11-13 14:50:23,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:23,980 INFO L225 Difference]: With dead ends: 5572 [2024-11-13 14:50:23,981 INFO L226 Difference]: Without dead ends: 5354 [2024-11-13 14:50:23,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:50:23,985 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 161 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:23,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 631 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:50:23,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5354 states. [2024-11-13 14:50:24,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5354 to 2142. [2024-11-13 14:50:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2142 states, 2141 states have (on average 1.2993928070994862) internal successors, (2782), 2141 states have internal predecessors, (2782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:24,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 2142 states and 2782 transitions. [2024-11-13 14:50:24,139 INFO L78 Accepts]: Start accepts. Automaton has 2142 states and 2782 transitions. Word has length 89 [2024-11-13 14:50:24,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:24,139 INFO L471 AbstractCegarLoop]: Abstraction has 2142 states and 2782 transitions. [2024-11-13 14:50:24,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2782 transitions. [2024-11-13 14:50:24,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 14:50:24,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:24,143 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:24,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 14:50:24,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:24,344 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:24,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:24,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1964554279, now seen corresponding path program 1 times [2024-11-13 14:50:24,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:24,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69304018] [2024-11-13 14:50:24,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:24,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-13 14:50:24,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:24,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69304018] [2024-11-13 14:50:24,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69304018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:24,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594829358] [2024-11-13 14:50:24,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:24,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:24,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:24,566 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:24,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 14:50:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:24,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:50:24,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 14:50:24,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:50:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 40 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 14:50:24,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594829358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:50:24,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:50:24,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 6] total 11 [2024-11-13 14:50:24,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341632720] [2024-11-13 14:50:24,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:50:24,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 14:50:24,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:24,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:50:24,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:50:24,878 INFO L87 Difference]: Start difference. First operand 2142 states and 2782 transitions. Second operand has 11 states, 11 states have (on average 13.272727272727273) internal successors, (146), 11 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:25,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:25,263 INFO L93 Difference]: Finished difference Result 3490 states and 4527 transitions. [2024-11-13 14:50:25,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:50:25,264 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.272727272727273) internal successors, (146), 11 states have internal predecessors, (146), 0 states have call successors, (0), 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 89 [2024-11-13 14:50:25,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:25,268 INFO L225 Difference]: With dead ends: 3490 [2024-11-13 14:50:25,269 INFO L226 Difference]: Without dead ends: 1371 [2024-11-13 14:50:25,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:50:25,272 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 234 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:25,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 255 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:50:25,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2024-11-13 14:50:25,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1105. [2024-11-13 14:50:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1104 states have (on average 1.1748188405797102) internal successors, (1297), 1104 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1297 transitions. [2024-11-13 14:50:25,330 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1297 transitions. Word has length 89 [2024-11-13 14:50:25,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:25,331 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1297 transitions. [2024-11-13 14:50:25,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.272727272727273) internal successors, (146), 11 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:25,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1297 transitions. [2024-11-13 14:50:25,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 14:50:25,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:25,333 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:25,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 14:50:25,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:25,537 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:25,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:25,537 INFO L85 PathProgramCache]: Analyzing trace with hash -893620059, now seen corresponding path program 1 times [2024-11-13 14:50:25,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:25,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996709001] [2024-11-13 14:50:25,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:25,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 14:50:25,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:25,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996709001] [2024-11-13 14:50:25,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996709001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:25,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513448220] [2024-11-13 14:50:25,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:25,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:25,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:25,731 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:25,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 14:50:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:25,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:50:25,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:25,900 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 14:50:25,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:50:25,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513448220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:25,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:50:25,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-13 14:50:25,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604098115] [2024-11-13 14:50:25,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:25,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:50:25,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:25,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:50:25,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:50:25,903 INFO L87 Difference]: Start difference. First operand 1105 states and 1297 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:26,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:26,048 INFO L93 Difference]: Finished difference Result 1759 states and 2056 transitions. [2024-11-13 14:50:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:50:26,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 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 89 [2024-11-13 14:50:26,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:26,053 INFO L225 Difference]: With dead ends: 1759 [2024-11-13 14:50:26,054 INFO L226 Difference]: Without dead ends: 1548 [2024-11-13 14:50:26,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:50:26,056 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 56 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:26,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 166 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:50:26,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2024-11-13 14:50:26,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1451. [2024-11-13 14:50:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1450 states have (on average 1.1779310344827587) internal successors, (1708), 1450 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:26,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1708 transitions. [2024-11-13 14:50:26,136 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1708 transitions. Word has length 89 [2024-11-13 14:50:26,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:26,137 INFO L471 AbstractCegarLoop]: Abstraction has 1451 states and 1708 transitions. [2024-11-13 14:50:26,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:26,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1708 transitions. [2024-11-13 14:50:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 14:50:26,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:26,139 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:26,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-13 14:50:26,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:26,343 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:26,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:26,344 INFO L85 PathProgramCache]: Analyzing trace with hash 396859104, now seen corresponding path program 1 times [2024-11-13 14:50:26,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:26,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483775170] [2024-11-13 14:50:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:26,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 33 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 14:50:26,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:26,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483775170] [2024-11-13 14:50:26,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483775170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:26,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316942904] [2024-11-13 14:50:26,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:26,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:26,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:26,698 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:26,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 14:50:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:26,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:50:26,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:50:27,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:50:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:50:27,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316942904] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:50:27,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:50:27,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 18 [2024-11-13 14:50:27,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677982371] [2024-11-13 14:50:27,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:50:27,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 14:50:27,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:27,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 14:50:27,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:50:27,451 INFO L87 Difference]: Start difference. First operand 1451 states and 1708 transitions. Second operand has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:29,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:29,290 INFO L93 Difference]: Finished difference Result 3062 states and 3530 transitions. [2024-11-13 14:50:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 14:50:29,291 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 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 91 [2024-11-13 14:50:29,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:29,297 INFO L225 Difference]: With dead ends: 3062 [2024-11-13 14:50:29,297 INFO L226 Difference]: Without dead ends: 2658 [2024-11-13 14:50:29,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=611, Invalid=2251, Unknown=0, NotChecked=0, Total=2862 [2024-11-13 14:50:29,300 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 771 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 2537 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:29,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 2537 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:50:29,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2024-11-13 14:50:29,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 943. [2024-11-13 14:50:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 942 states have (on average 1.134819532908705) internal successors, (1069), 942 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:29,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1069 transitions. [2024-11-13 14:50:29,367 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1069 transitions. Word has length 91 [2024-11-13 14:50:29,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:29,367 INFO L471 AbstractCegarLoop]: Abstraction has 943 states and 1069 transitions. [2024-11-13 14:50:29,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1069 transitions. [2024-11-13 14:50:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 14:50:29,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:29,369 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:29,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 14:50:29,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 14:50:29,574 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:29,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:29,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1436222042, now seen corresponding path program 1 times [2024-11-13 14:50:29,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:29,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78824129] [2024-11-13 14:50:29,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:29,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 14:50:29,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:29,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78824129] [2024-11-13 14:50:29,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78824129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:29,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92130165] [2024-11-13 14:50:29,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:29,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:29,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:29,788 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:29,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 14:50:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:29,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 14:50:29,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 14:50:30,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:50:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 44 proven. 31 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 14:50:30,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92130165] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:50:30,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:50:30,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 9] total 17 [2024-11-13 14:50:30,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797001663] [2024-11-13 14:50:30,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:50:30,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 14:50:30,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:30,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 14:50:30,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:50:30,365 INFO L87 Difference]: Start difference. First operand 943 states and 1069 transitions. Second operand has 17 states, 17 states have (on average 9.352941176470589) internal successors, (159), 17 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:31,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:31,948 INFO L93 Difference]: Finished difference Result 2840 states and 3234 transitions. [2024-11-13 14:50:31,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-13 14:50:31,949 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.352941176470589) internal successors, (159), 17 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-13 14:50:31,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:31,957 INFO L225 Difference]: With dead ends: 2840 [2024-11-13 14:50:31,957 INFO L226 Difference]: Without dead ends: 1704 [2024-11-13 14:50:31,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=535, Invalid=1105, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 14:50:31,961 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 1014 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:31,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 620 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:50:31,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2024-11-13 14:50:32,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1269. [2024-11-13 14:50:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 1268 states have (on average 1.1443217665615142) internal successors, (1451), 1268 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1451 transitions. [2024-11-13 14:50:32,054 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1451 transitions. Word has length 92 [2024-11-13 14:50:32,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:32,054 INFO L471 AbstractCegarLoop]: Abstraction has 1269 states and 1451 transitions. [2024-11-13 14:50:32,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.352941176470589) internal successors, (159), 17 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1451 transitions. [2024-11-13 14:50:32,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:50:32,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:32,056 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:32,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 14:50:32,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-13 14:50:32,259 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:32,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:32,259 INFO L85 PathProgramCache]: Analyzing trace with hash 724486996, now seen corresponding path program 1 times [2024-11-13 14:50:32,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:32,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386378087] [2024-11-13 14:50:32,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:32,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 14:50:32,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:32,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386378087] [2024-11-13 14:50:32,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386378087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:50:32,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312521005] [2024-11-13 14:50:32,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:32,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:32,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:32,651 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:32,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 14:50:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:32,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 14:50:32,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:50:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 67 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 14:50:32,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:50:33,211 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 14:50:33,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312521005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:50:33,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:50:33,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-11-13 14:50:33,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400699107] [2024-11-13 14:50:33,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:50:33,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 14:50:33,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:33,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 14:50:33,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:50:33,214 INFO L87 Difference]: Start difference. First operand 1269 states and 1451 transitions. Second operand has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:34,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:34,342 INFO L93 Difference]: Finished difference Result 2801 states and 3136 transitions. [2024-11-13 14:50:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 14:50:34,346 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 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 97 [2024-11-13 14:50:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:34,349 INFO L225 Difference]: With dead ends: 2801 [2024-11-13 14:50:34,349 INFO L226 Difference]: Without dead ends: 781 [2024-11-13 14:50:34,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=299, Invalid=961, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 14:50:34,353 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 671 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:50:34,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 1618 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:50:34,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-13 14:50:34,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 431. [2024-11-13 14:50:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 430 states have (on average 1.1744186046511629) internal successors, (505), 430 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 505 transitions. [2024-11-13 14:50:34,381 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 505 transitions. Word has length 97 [2024-11-13 14:50:34,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:34,382 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 505 transitions. [2024-11-13 14:50:34,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:50:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 505 transitions. [2024-11-13 14:50:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-13 14:50:34,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:34,383 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:34,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 14:50:34,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 14:50:34,584 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-13 14:50:34,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:34,585 INFO L85 PathProgramCache]: Analyzing trace with hash 32679775, now seen corresponding path program 1 times [2024-11-13 14:50:34,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:34,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208012452] [2024-11-13 14:50:34,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:34,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:50:34,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:50:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:50:34,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:50:34,775 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:50:34,776 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 41 remaining) [2024-11-13 14:50:34,778 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 41 remaining) [2024-11-13 14:50:34,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 41 remaining) [2024-11-13 14:50:34,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 41 remaining) [2024-11-13 14:50:34,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 41 remaining) [2024-11-13 14:50:34,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 41 remaining) [2024-11-13 14:50:34,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 41 remaining) [2024-11-13 14:50:34,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 41 remaining) [2024-11-13 14:50:34,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 41 remaining) [2024-11-13 14:50:34,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 41 remaining) [2024-11-13 14:50:34,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 41 remaining) [2024-11-13 14:50:34,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 41 remaining) [2024-11-13 14:50:34,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 41 remaining) [2024-11-13 14:50:34,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 41 remaining) [2024-11-13 14:50:34,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 41 remaining) [2024-11-13 14:50:34,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 41 remaining) [2024-11-13 14:50:34,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 41 remaining) [2024-11-13 14:50:34,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 41 remaining) [2024-11-13 14:50:34,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 41 remaining) [2024-11-13 14:50:34,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 41 remaining) [2024-11-13 14:50:34,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 41 remaining) [2024-11-13 14:50:34,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 41 remaining) [2024-11-13 14:50:34,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 41 remaining) [2024-11-13 14:50:34,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 41 remaining) [2024-11-13 14:50:34,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 41 remaining) [2024-11-13 14:50:34,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 41 remaining) [2024-11-13 14:50:34,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 41 remaining) [2024-11-13 14:50:34,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 41 remaining) [2024-11-13 14:50:34,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 41 remaining) [2024-11-13 14:50:34,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 41 remaining) [2024-11-13 14:50:34,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 41 remaining) [2024-11-13 14:50:34,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 41 remaining) [2024-11-13 14:50:34,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 41 remaining) [2024-11-13 14:50:34,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 41 remaining) [2024-11-13 14:50:34,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 41 remaining) [2024-11-13 14:50:34,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 41 remaining) [2024-11-13 14:50:34,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 41 remaining) [2024-11-13 14:50:34,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 41 remaining) [2024-11-13 14:50:34,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 41 remaining) [2024-11-13 14:50:34,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 41 remaining) [2024-11-13 14:50:34,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 41 remaining) [2024-11-13 14:50:34,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 14:50:34,787 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:34,878 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:50:34,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:50:34 BoogieIcfgContainer [2024-11-13 14:50:34,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:50:34,888 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:50:34,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:50:34,888 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:50:34,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:09" (3/4) ... [2024-11-13 14:50:34,889 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:50:35,008 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:50:35,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:50:35,009 INFO L158 Benchmark]: Toolchain (without parser) took 27028.57ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 92.7MB in the beginning and 157.8MB in the end (delta: -65.1MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2024-11-13 14:50:35,011 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:35,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.38ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.2MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:50:35,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.71ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 75.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:35,011 INFO L158 Benchmark]: Boogie Preprocessor took 80.85ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 72.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:35,014 INFO L158 Benchmark]: RCFGBuilder took 723.83ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 45.7MB in the end (delta: 27.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 14:50:35,014 INFO L158 Benchmark]: TraceAbstraction took 25634.77ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 45.1MB in the beginning and 166.2MB in the end (delta: -121.1MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-13 14:50:35,014 INFO L158 Benchmark]: Witness Printer took 120.88ms. Allocated memory is still 268.4MB. Free memory was 166.2MB in the beginning and 157.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:50:35,016 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.38ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.2MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.71ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 75.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.85ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 72.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 723.83ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 45.7MB in the end (delta: 27.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 25634.77ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 45.1MB in the beginning and 166.2MB in the end (delta: -121.1MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 120.88ms. Allocated memory is still 268.4MB. Free memory was 166.2MB in the beginning and 157.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 116]: integer overflow possible integer overflow possible We found a FailurePath: [L124] unsigned int a, b, r; [L126] b = __VERIFIER_nondet_uint() [L128] a = 234770789 [L130] CALL mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, na=4] [L68] nb = (unsigned char)4 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L89] COND TRUE i < nb VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] COND TRUE i == (unsigned char)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=256] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=256] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=256] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=256] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=0, na=4, nb=4, partial_sum=0] [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L100] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L101] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L83] COND TRUE i < na VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L85] COND TRUE i == (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L85] EXPR partial_sum + a1 [L85] partial_sum = partial_sum + a1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L89] COND TRUE i < nb VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L91] COND TRUE i == (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L91] EXPR partial_sum + b1 [L91] partial_sum = partial_sum + b1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=0] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=0] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=0] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0] [L99] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0] [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L101] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L83] COND TRUE i < na VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L86] COND TRUE i == (unsigned char)2 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L86] EXPR partial_sum + a2 [L86] partial_sum = partial_sum + a2 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L89] COND TRUE i < nb VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L92] COND TRUE i == (unsigned char)2 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L92] EXPR partial_sum + b2 [L92] partial_sum = partial_sum + b2 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=0, r1=0] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=0, r1=0] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L99] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L100] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0, r2=0] [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0, r2=0] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=1, i=3, na=4, nb=4, partial_sum=0, r0=0, r1=0, r2=0] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L83] COND TRUE i < na VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L87] COND TRUE i == (unsigned char)3 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L87] EXPR partial_sum + a3 [L87] partial_sum = partial_sum + a3 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=0, r1=0, r2=0] [L89] COND TRUE i < nb VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=0, r1=0, r2=0] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=0, r1=0, r2=0] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=0, r1=0, r2=0] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=0, r1=0, r2=0] [L93] COND TRUE i == (unsigned char)3 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=0, r1=0, r2=0] [L93] EXPR partial_sum + b3 [L93] partial_sum = partial_sum + b3 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0] [L99] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0] [L100] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0] [L101] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0] [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, r0=0, r1=0, r2=0, r3=255] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, carry=0, i=4, na=4, nb=4, r0=0, r1=0, r2=0, r3=255] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, i=4, r0=0, r1=0, r2=0, r3=255] [L107] COND FALSE !(i < (unsigned char)4) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, r0=0, r1=0, r2=0, r3=255] [L116] EXPR r1 << 8U VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, r0=0, r1=0, r2=0, r3=255] [L116] EXPR r0 | (r1 << 8U) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, r2=0, r3=255] [L116] EXPR r2 << 16U VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, r2=0, r3=255] [L116] r0 | (r1 << 8U) | (r2 << 16U) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241, r3=255] [L116] r3 << 24U VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043419291, b1=15794606, b2=61697, b3=241] - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 132 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 25.5s, OverallIterations: 26, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5746 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5746 mSDsluCounter, 11667 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8623 mSDsCounter, 454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5631 IncrementalHoareTripleChecker+Invalid, 6085 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 454 mSolverCounterUnsat, 3044 mSDtfsCounter, 5631 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1652 GetRequests, 1364 SyntacticMatches, 2 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2290 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2142occurred in iteration=19, InterpolantAutomatonStates: 267, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 25 MinimizatonAttempts, 12407 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 2638 NumberOfCodeBlocks, 2638 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2939 ConstructedInterpolants, 0 QuantifiedInterpolants, 9999 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1960 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 41 InterpolantComputations, 20 PerfectInterpolantSequences, 2287/2663 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-13 14:50:35,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fccb-cb47-4d7f-b236-fd8f17d6fb60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)