./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu --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 0.2.3-dev-9bd2c7f [2023-11-19 08:01:52,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:52,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:01:52,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:52,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:52,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:52,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:52,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:52,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:52,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:52,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:52,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:52,987 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:52,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:52,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:52,989 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:01:52,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:01:52,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:01:52,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:52,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:52,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:52,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:52,994 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:01:52,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:01:52,995 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:01:52,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:52,996 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:52,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:52,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:52,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:52,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:52,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:52,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:52,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:53,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:01:53,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:01:53,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:53,001 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:53,002 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:53,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:53,003 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:53,003 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c [2023-11-19 08:01:53,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:53,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:53,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:53,365 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:53,366 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:53,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/bitvector/byte_add_1-2.i [2023-11-19 08:01:56,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:57,047 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:57,048 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/sv-benchmarks/c/bitvector/byte_add_1-2.i [2023-11-19 08:01:57,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/data/17badd5a7/11edf1c9b9b5453dab5ba3539d8286b3/FLAG9cca839cf [2023-11-19 08:01:57,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/data/17badd5a7/11edf1c9b9b5453dab5ba3539d8286b3 [2023-11-19 08:01:57,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:57,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:57,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:57,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:57,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:57,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ee34e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57, skipping insertion in model container [2023-11-19 08:01:57,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:57,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:57,368 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:57,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:57,426 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:57,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57 WrapperNode [2023-11-19 08:01:57,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:57,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:57,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:57,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:57,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,514 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 197 [2023-11-19 08:01:57,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:57,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:57,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:57,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:57,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:57,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:57,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:57,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:57,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ... [2023-11-19 08:01:57,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:57,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:57,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:57,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:01:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:57,748 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:57,750 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:58,322 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:58,332 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:58,332 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 08:01:58,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:58 BoogieIcfgContainer [2023-11-19 08:01:58,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:58,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:58,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:58,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:58,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:57" (1/3) ... [2023-11-19 08:01:58,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b762780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:58, skipping insertion in model container [2023-11-19 08:01:58,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (2/3) ... [2023-11-19 08:01:58,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b762780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:58, skipping insertion in model container [2023-11-19 08:01:58,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:58" (3/3) ... [2023-11-19 08:01:58,360 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_1-2.i [2023-11-19 08:01:58,384 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:58,385 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-11-19 08:01:58,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:58,443 INFO L357 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, mHoare=true, 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;@3cc72a39, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:58,443 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2023-11-19 08:01:58,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 87 states have (on average 1.896551724137931) internal successors, (165), 128 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 08:01:58,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:58,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 08:01:58,455 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:01:58,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:58,461 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2023-11-19 08:01:58,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:58,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607331732] [2023-11-19 08:01:58,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:58,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:58,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:58,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607331732] [2023-11-19 08:01:58,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607331732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:58,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:58,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 08:01:58,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626025687] [2023-11-19 08:01:58,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:58,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:01:58,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:58,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:01:58,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:01:58,745 INFO L87 Difference]: Start difference. First operand has 129 states, 87 states have (on average 1.896551724137931) internal successors, (165), 128 states have internal predecessors, (165), 0 states have call successors, (0), 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) [2023-11-19 08:01:58,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:58,782 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2023-11-19 08:01:58,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:01:58,784 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 [2023-11-19 08:01:58,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:58,795 INFO L225 Difference]: With dead ends: 161 [2023-11-19 08:01:58,796 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 08:01:58,800 INFO L412 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 [2023-11-19 08:01:58,805 INFO L413 NwaCegarLoop]: 120 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, 120 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 [2023-11-19 08:01:58,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:58,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 08:01:58,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-19 08:01:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 76 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2023-11-19 08:01:58,861 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 4 [2023-11-19 08:01:58,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:58,862 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2023-11-19 08:01:58,862 INFO L496 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) [2023-11-19 08:01:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2023-11-19 08:01:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 08:01:58,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:58,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:58,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:01:58,868 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:01:58,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:58,870 INFO L85 PathProgramCache]: Analyzing trace with hash 295956508, now seen corresponding path program 1 times [2023-11-19 08:01:58,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:58,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616159595] [2023-11-19 08:01:58,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:58,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:59,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:59,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616159595] [2023-11-19 08:01:59,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616159595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:59,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:59,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:01:59,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825611566] [2023-11-19 08:01:59,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:59,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:01:59,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:59,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:01:59,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:01:59,201 INFO L87 Difference]: Start difference. First operand 77 states and 107 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) [2023-11-19 08:01:59,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:59,398 INFO L93 Difference]: Finished difference Result 161 states and 236 transitions. [2023-11-19 08:01:59,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:01:59,399 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 [2023-11-19 08:01:59,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:59,401 INFO L225 Difference]: With dead ends: 161 [2023-11-19 08:01:59,401 INFO L226 Difference]: Without dead ends: 106 [2023-11-19 08:01:59,402 INFO L412 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 [2023-11-19 08:01:59,403 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 30 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 145 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 [2023-11-19 08:01:59,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 145 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:01:59,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-19 08:01:59,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2023-11-19 08:01:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 136 transitions. [2023-11-19 08:01:59,417 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 136 transitions. Word has length 19 [2023-11-19 08:01:59,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:59,417 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 136 transitions. [2023-11-19 08:01:59,417 INFO L496 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) [2023-11-19 08:01:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 136 transitions. [2023-11-19 08:01:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 08:01:59,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:59,419 INFO L195 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] [2023-11-19 08:01:59,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:01:59,420 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:01:59,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:59,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1601634302, now seen corresponding path program 1 times [2023-11-19 08:01:59,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:59,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913874658] [2023-11-19 08:01:59,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:59,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:59,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:59,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913874658] [2023-11-19 08:01:59,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913874658] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:59,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:59,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:59,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808109612] [2023-11-19 08:01:59,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:59,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:59,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:59,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:59,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:59,668 INFO L87 Difference]: Start difference. First operand 102 states and 136 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) [2023-11-19 08:01:59,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:59,992 INFO L93 Difference]: Finished difference Result 230 states and 341 transitions. [2023-11-19 08:01:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:01:59,993 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 [2023-11-19 08:01:59,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:59,995 INFO L225 Difference]: With dead ends: 230 [2023-11-19 08:01:59,996 INFO L226 Difference]: Without dead ends: 175 [2023-11-19 08:01:59,996 INFO L412 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 [2023-11-19 08:01:59,998 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 114 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:59,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 199 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:02:00,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-19 08:02:00,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 127. [2023-11-19 08:02:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.373015873015873) internal successors, (173), 126 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 173 transitions. [2023-11-19 08:02:00,022 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 173 transitions. Word has length 26 [2023-11-19 08:02:00,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:00,022 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 173 transitions. [2023-11-19 08:02:00,023 INFO L496 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) [2023-11-19 08:02:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 173 transitions. [2023-11-19 08:02:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 08:02:00,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:00,025 INFO L195 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] [2023-11-19 08:02:00,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:02:00,026 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:00,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:00,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1014937112, now seen corresponding path program 1 times [2023-11-19 08:02:00,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:00,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275816678] [2023-11-19 08:02:00,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:00,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 08:02:00,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:00,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275816678] [2023-11-19 08:02:00,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275816678] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:00,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:00,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:02:00,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979694460] [2023-11-19 08:02:00,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:00,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:00,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:00,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:00,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:00,282 INFO L87 Difference]: Start difference. First operand 127 states and 173 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) [2023-11-19 08:02:00,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:00,505 INFO L93 Difference]: Finished difference Result 362 states and 491 transitions. [2023-11-19 08:02:00,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:00,506 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 [2023-11-19 08:02:00,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:00,510 INFO L225 Difference]: With dead ends: 362 [2023-11-19 08:02:00,510 INFO L226 Difference]: Without dead ends: 260 [2023-11-19 08:02:00,514 INFO L412 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 [2023-11-19 08:02:00,524 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 140 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:00,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 351 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:00,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-11-19 08:02:00,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 140. [2023-11-19 08:02:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.3597122302158273) internal successors, (189), 139 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 189 transitions. [2023-11-19 08:02:00,542 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 189 transitions. Word has length 33 [2023-11-19 08:02:00,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:00,542 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 189 transitions. [2023-11-19 08:02:00,542 INFO L496 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) [2023-11-19 08:02:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 189 transitions. [2023-11-19 08:02:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 08:02:00,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:00,545 INFO L195 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] [2023-11-19 08:02:00,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:02:00,545 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:00,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:00,546 INFO L85 PathProgramCache]: Analyzing trace with hash -36396044, now seen corresponding path program 1 times [2023-11-19 08:02:00,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:00,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238373087] [2023-11-19 08:02:00,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:00,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 08:02:00,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:00,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238373087] [2023-11-19 08:02:00,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238373087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:00,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:00,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:02:00,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13979896] [2023-11-19 08:02:00,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:00,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:00,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:00,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:00,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:00,688 INFO L87 Difference]: Start difference. First operand 140 states and 189 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) [2023-11-19 08:02:00,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:00,890 INFO L93 Difference]: Finished difference Result 368 states and 497 transitions. [2023-11-19 08:02:00,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:00,890 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 [2023-11-19 08:02:00,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:00,892 INFO L225 Difference]: With dead ends: 368 [2023-11-19 08:02:00,893 INFO L226 Difference]: Without dead ends: 266 [2023-11-19 08:02:00,893 INFO L412 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 [2023-11-19 08:02:00,894 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 129 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:00,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 341 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:00,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-11-19 08:02:00,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 153. [2023-11-19 08:02:00,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 152 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 203 transitions. [2023-11-19 08:02:00,910 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 203 transitions. Word has length 36 [2023-11-19 08:02:00,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:00,910 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 203 transitions. [2023-11-19 08:02:00,910 INFO L496 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) [2023-11-19 08:02:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 203 transitions. [2023-11-19 08:02:00,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 08:02:00,912 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:00,912 INFO L195 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] [2023-11-19 08:02:00,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:02:00,913 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:00,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:00,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1620717245, now seen corresponding path program 1 times [2023-11-19 08:02:00,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:00,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027866668] [2023-11-19 08:02:00,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:00,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:01,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:01,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027866668] [2023-11-19 08:02:01,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027866668] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:01,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728755389] [2023-11-19 08:02:01,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:01,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:01,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:01,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:01,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:02:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:01,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:02:01,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 08:02:01,318 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:01,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728755389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:01,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:02:01,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-11-19 08:02:01,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465388618] [2023-11-19 08:02:01,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:01,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:02:01,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:01,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:02:01,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:02:01,321 INFO L87 Difference]: Start difference. First operand 153 states and 203 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:01,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:01,711 INFO L93 Difference]: Finished difference Result 584 states and 813 transitions. [2023-11-19 08:02:01,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:02:01,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-11-19 08:02:01,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:01,715 INFO L225 Difference]: With dead ends: 584 [2023-11-19 08:02:01,715 INFO L226 Difference]: Without dead ends: 467 [2023-11-19 08:02:01,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:02:01,725 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 280 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:01,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 626 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:02:01,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2023-11-19 08:02:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 257. [2023-11-19 08:02:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.33984375) internal successors, (343), 256 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 343 transitions. [2023-11-19 08:02:01,754 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 343 transitions. Word has length 39 [2023-11-19 08:02:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:01,754 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 343 transitions. [2023-11-19 08:02:01,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 343 transitions. [2023-11-19 08:02:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 08:02:01,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:01,761 INFO L195 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, 1, 1, 1] [2023-11-19 08:02:01,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:01,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 08:02:01,963 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:01,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:01,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1279523034, now seen corresponding path program 1 times [2023-11-19 08:02:01,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:01,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767067324] [2023-11-19 08:02:01,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:01,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:02,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:02,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767067324] [2023-11-19 08:02:02,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767067324] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:02,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975117108] [2023-11-19 08:02:02,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:02,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:02,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:02,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:02,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:02:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:02,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:02:02,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:02:02,265 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:02,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975117108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:02,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:02:02,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-19 08:02:02,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173354768] [2023-11-19 08:02:02,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:02,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:02,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:02,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:02,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:02,268 INFO L87 Difference]: Start difference. First operand 257 states and 343 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:02,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:02,517 INFO L93 Difference]: Finished difference Result 554 states and 786 transitions. [2023-11-19 08:02:02,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:02,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-11-19 08:02:02,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:02,520 INFO L225 Difference]: With dead ends: 554 [2023-11-19 08:02:02,520 INFO L226 Difference]: Without dead ends: 346 [2023-11-19 08:02:02,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:02,522 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 48 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:02,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 241 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:02,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-11-19 08:02:02,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 306. [2023-11-19 08:02:02,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 1.298360655737705) internal successors, (396), 305 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:02,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 396 transitions. [2023-11-19 08:02:02,537 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 396 transitions. Word has length 42 [2023-11-19 08:02:02,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:02,538 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 396 transitions. [2023-11-19 08:02:02,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 396 transitions. [2023-11-19 08:02:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 08:02:02,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:02,540 INFO L195 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, 1, 1, 1] [2023-11-19 08:02:02,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:02,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:02,757 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:02,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:02,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1036856780, now seen corresponding path program 1 times [2023-11-19 08:02:02,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:02,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325120732] [2023-11-19 08:02:02,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:02,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:02,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:02,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325120732] [2023-11-19 08:02:02,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325120732] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:02,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733577906] [2023-11-19 08:02:02,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:02,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:02,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:02,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:02,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:02:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:03,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:02:03,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 08:02:03,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:03,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733577906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:03,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:02:03,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2023-11-19 08:02:03,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726376289] [2023-11-19 08:02:03,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:03,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:03,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:03,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:03,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:02:03,065 INFO L87 Difference]: Start difference. First operand 306 states and 396 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:03,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:03,293 INFO L93 Difference]: Finished difference Result 652 states and 880 transitions. [2023-11-19 08:02:03,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:03,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2023-11-19 08:02:03,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:03,297 INFO L225 Difference]: With dead ends: 652 [2023-11-19 08:02:03,297 INFO L226 Difference]: Without dead ends: 407 [2023-11-19 08:02:03,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:02:03,298 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 47 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 241 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 [2023-11-19 08:02:03,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 241 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:03,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2023-11-19 08:02:03,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 349. [2023-11-19 08:02:03,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.2844827586206897) internal successors, (447), 348 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 447 transitions. [2023-11-19 08:02:03,318 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 447 transitions. Word has length 49 [2023-11-19 08:02:03,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:03,318 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 447 transitions. [2023-11-19 08:02:03,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:03,319 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 447 transitions. [2023-11-19 08:02:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 08:02:03,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:03,322 INFO L195 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, 1, 1, 1] [2023-11-19 08:02:03,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:03,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:03,537 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:03,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:03,537 INFO L85 PathProgramCache]: Analyzing trace with hash -280034654, now seen corresponding path program 1 times [2023-11-19 08:02:03,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:03,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580729635] [2023-11-19 08:02:03,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:03,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 08:02:03,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:03,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580729635] [2023-11-19 08:02:03,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580729635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:03,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:03,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:03,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82938525] [2023-11-19 08:02:03,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:03,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:03,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:03,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:03,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:03,655 INFO L87 Difference]: Start difference. First operand 349 states and 447 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:03,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:03,673 INFO L93 Difference]: Finished difference Result 394 states and 502 transitions. [2023-11-19 08:02:03,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:03,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2023-11-19 08:02:03,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:03,682 INFO L225 Difference]: With dead ends: 394 [2023-11-19 08:02:03,683 INFO L226 Difference]: Without dead ends: 321 [2023-11-19 08:02:03,683 INFO L412 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 [2023-11-19 08:02:03,686 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 14 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 221 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 [2023-11-19 08:02:03,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 221 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:03,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-11-19 08:02:03,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 317. [2023-11-19 08:02:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 316 states have (on average 1.2721518987341771) internal successors, (402), 316 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 402 transitions. [2023-11-19 08:02:03,700 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 402 transitions. Word has length 56 [2023-11-19 08:02:03,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:03,701 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 402 transitions. [2023-11-19 08:02:03,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 402 transitions. [2023-11-19 08:02:03,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 08:02:03,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:03,704 INFO L195 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, 1, 1, 1] [2023-11-19 08:02:03,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 08:02:03,704 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:03,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:03,705 INFO L85 PathProgramCache]: Analyzing trace with hash -318468050, now seen corresponding path program 1 times [2023-11-19 08:02:03,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:03,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062581842] [2023-11-19 08:02:03,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 08:02:03,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:03,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062581842] [2023-11-19 08:02:03,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062581842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:03,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:03,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:03,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688228540] [2023-11-19 08:02:03,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:03,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:02:03,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:03,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:02:03,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:03,919 INFO L87 Difference]: Start difference. First operand 317 states and 402 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:04,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:04,196 INFO L93 Difference]: Finished difference Result 912 states and 1149 transitions. [2023-11-19 08:02:04,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:02:04,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-19 08:02:04,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:04,201 INFO L225 Difference]: With dead ends: 912 [2023-11-19 08:02:04,201 INFO L226 Difference]: Without dead ends: 653 [2023-11-19 08:02:04,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:02:04,203 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 162 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:04,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 239 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:04,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2023-11-19 08:02:04,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 396. [2023-11-19 08:02:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 395 states have (on average 1.2632911392405064) internal successors, (499), 395 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 499 transitions. [2023-11-19 08:02:04,227 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 499 transitions. Word has length 68 [2023-11-19 08:02:04,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:04,228 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 499 transitions. [2023-11-19 08:02:04,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 499 transitions. [2023-11-19 08:02:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 08:02:04,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:04,231 INFO L195 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, 1, 1, 1] [2023-11-19 08:02:04,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 08:02:04,231 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:04,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:04,232 INFO L85 PathProgramCache]: Analyzing trace with hash -273753791, now seen corresponding path program 1 times [2023-11-19 08:02:04,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:04,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126815713] [2023-11-19 08:02:04,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:04,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 08:02:04,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:04,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126815713] [2023-11-19 08:02:04,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126815713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:04,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:04,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:02:04,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154745296] [2023-11-19 08:02:04,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:04,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:04,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:04,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:04,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:04,412 INFO L87 Difference]: Start difference. First operand 396 states and 499 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:04,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:04,490 INFO L93 Difference]: Finished difference Result 934 states and 1180 transitions. [2023-11-19 08:02:04,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:04,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-11-19 08:02:04,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:04,494 INFO L225 Difference]: With dead ends: 934 [2023-11-19 08:02:04,494 INFO L226 Difference]: Without dead ends: 597 [2023-11-19 08:02:04,495 INFO L412 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 [2023-11-19 08:02:04,496 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 67 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:04,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 326 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:04,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2023-11-19 08:02:04,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 441. [2023-11-19 08:02:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 440 states have (on average 1.2931818181818182) internal successors, (569), 440 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 569 transitions. [2023-11-19 08:02:04,516 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 569 transitions. Word has length 71 [2023-11-19 08:02:04,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:04,516 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 569 transitions. [2023-11-19 08:02:04,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 569 transitions. [2023-11-19 08:02:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 08:02:04,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:04,518 INFO L195 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, 1, 1, 1] [2023-11-19 08:02:04,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 08:02:04,519 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:04,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:04,519 INFO L85 PathProgramCache]: Analyzing trace with hash -837545589, now seen corresponding path program 1 times [2023-11-19 08:02:04,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:04,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549892633] [2023-11-19 08:02:04,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:04,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 08:02:04,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:04,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549892633] [2023-11-19 08:02:04,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549892633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:04,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:04,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:02:04,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157590051] [2023-11-19 08:02:04,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:04,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:04,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:04,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:04,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:04,701 INFO L87 Difference]: Start difference. First operand 441 states and 569 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:05,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:05,022 INFO L93 Difference]: Finished difference Result 1353 states and 1743 transitions. [2023-11-19 08:02:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:02:05,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 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 77 [2023-11-19 08:02:05,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:05,029 INFO L225 Difference]: With dead ends: 1353 [2023-11-19 08:02:05,029 INFO L226 Difference]: Without dead ends: 961 [2023-11-19 08:02:05,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:02:05,031 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 203 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:05,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 327 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:05,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2023-11-19 08:02:05,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 762. [2023-11-19 08:02:05,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 761 states have (on average 1.2746386333771353) internal successors, (970), 761 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:05,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 970 transitions. [2023-11-19 08:02:05,066 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 970 transitions. Word has length 77 [2023-11-19 08:02:05,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:05,066 INFO L495 AbstractCegarLoop]: Abstraction has 762 states and 970 transitions. [2023-11-19 08:02:05,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 970 transitions. [2023-11-19 08:02:05,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 08:02:05,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:05,069 INFO L195 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, 1, 1, 1] [2023-11-19 08:02:05,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 08:02:05,069 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:05,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:05,070 INFO L85 PathProgramCache]: Analyzing trace with hash -862371217, now seen corresponding path program 1 times [2023-11-19 08:02:05,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:05,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609808860] [2023-11-19 08:02:05,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:05,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 08:02:05,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:05,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609808860] [2023-11-19 08:02:05,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609808860] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:05,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006983410] [2023-11-19 08:02:05,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:05,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:05,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:05,244 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:05,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:02:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:05,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:02:05,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 08:02:05,428 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:05,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006983410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:05,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:02:05,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2023-11-19 08:02:05,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119235959] [2023-11-19 08:02:05,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:05,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:05,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:05,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:05,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:05,433 INFO L87 Difference]: Start difference. First operand 762 states and 970 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:05,562 INFO L93 Difference]: Finished difference Result 1525 states and 1932 transitions. [2023-11-19 08:02:05,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:05,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2023-11-19 08:02:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:05,569 INFO L225 Difference]: With dead ends: 1525 [2023-11-19 08:02:05,569 INFO L226 Difference]: Without dead ends: 1109 [2023-11-19 08:02:05,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:05,571 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 100 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:05,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 217 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:05,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2023-11-19 08:02:05,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 915. [2023-11-19 08:02:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 914 states have (on average 1.2702407002188183) internal successors, (1161), 914 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:05,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1161 transitions. [2023-11-19 08:02:05,614 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1161 transitions. Word has length 77 [2023-11-19 08:02:05,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:05,614 INFO L495 AbstractCegarLoop]: Abstraction has 915 states and 1161 transitions. [2023-11-19 08:02:05,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1161 transitions. [2023-11-19 08:02:05,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 08:02:05,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:05,617 INFO L195 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, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:05,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:05,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:05,833 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:05,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:05,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1247029490, now seen corresponding path program 1 times [2023-11-19 08:02:05,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:05,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371670369] [2023-11-19 08:02:05,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:05,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 08:02:06,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:06,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371670369] [2023-11-19 08:02:06,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371670369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:06,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:06,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:02:06,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211969034] [2023-11-19 08:02:06,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:06,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:06,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:06,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:06,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:06,024 INFO L87 Difference]: Start difference. First operand 915 states and 1161 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:06,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:06,355 INFO L93 Difference]: Finished difference Result 1847 states and 2324 transitions. [2023-11-19 08:02:06,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:02:06,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 [2023-11-19 08:02:06,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:06,362 INFO L225 Difference]: With dead ends: 1847 [2023-11-19 08:02:06,362 INFO L226 Difference]: Without dead ends: 1273 [2023-11-19 08:02:06,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:02:06,364 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 218 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:06,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 314 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:06,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2023-11-19 08:02:06,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1063. [2023-11-19 08:02:06,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1062 states have (on average 1.2608286252354048) internal successors, (1339), 1062 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1339 transitions. [2023-11-19 08:02:06,417 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1339 transitions. Word has length 80 [2023-11-19 08:02:06,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:06,417 INFO L495 AbstractCegarLoop]: Abstraction has 1063 states and 1339 transitions. [2023-11-19 08:02:06,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1339 transitions. [2023-11-19 08:02:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 08:02:06,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:06,420 INFO L195 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] [2023-11-19 08:02:06,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-19 08:02:06,421 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:06,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:06,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1935932099, now seen corresponding path program 1 times [2023-11-19 08:02:06,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:06,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791188343] [2023-11-19 08:02:06,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:06,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 08:02:06,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:06,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791188343] [2023-11-19 08:02:06,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791188343] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:06,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49913016] [2023-11-19 08:02:06,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:06,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:06,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:06,588 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:06,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:02:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:06,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 08:02:06,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 08:02:06,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 08:02:06,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49913016] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:06,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:02:06,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 9 [2023-11-19 08:02:06,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779158580] [2023-11-19 08:02:06,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:06,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 08:02:06,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:06,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 08:02:06,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:02:06,865 INFO L87 Difference]: Start difference. First operand 1063 states and 1339 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) [2023-11-19 08:02:08,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:08,807 INFO L93 Difference]: Finished difference Result 6187 states and 7465 transitions. [2023-11-19 08:02:08,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-19 08:02:08,808 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 [2023-11-19 08:02:08,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:08,837 INFO L225 Difference]: With dead ends: 6187 [2023-11-19 08:02:08,837 INFO L226 Difference]: Without dead ends: 5002 [2023-11-19 08:02:08,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=531, Invalid=2225, Unknown=0, NotChecked=0, Total=2756 [2023-11-19 08:02:08,842 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 922 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:08,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 1025 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 08:02:08,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5002 states. [2023-11-19 08:02:08,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5002 to 1313. [2023-11-19 08:02:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1313 states, 1312 states have (on average 1.3330792682926829) internal successors, (1749), 1312 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 1749 transitions. [2023-11-19 08:02:08,996 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 1749 transitions. Word has length 80 [2023-11-19 08:02:08,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:08,996 INFO L495 AbstractCegarLoop]: Abstraction has 1313 states and 1749 transitions. [2023-11-19 08:02:08,996 INFO L496 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) [2023-11-19 08:02:08,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1749 transitions. [2023-11-19 08:02:08,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 08:02:08,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:09,000 INFO L195 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, 1, 1, 1] [2023-11-19 08:02:09,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-19 08:02:09,215 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:09,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:09,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1701763767, now seen corresponding path program 1 times [2023-11-19 08:02:09,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:09,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105827211] [2023-11-19 08:02:09,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:09,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 08:02:09,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:09,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105827211] [2023-11-19 08:02:09,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105827211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:09,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:09,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 08:02:09,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943845954] [2023-11-19 08:02:09,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:09,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:02:09,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:09,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:02:09,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:02:09,452 INFO L87 Difference]: Start difference. First operand 1313 states and 1749 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:09,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:09,947 INFO L93 Difference]: Finished difference Result 3275 states and 4348 transitions. [2023-11-19 08:02:09,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 08:02:09,948 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 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 83 [2023-11-19 08:02:09,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:09,959 INFO L225 Difference]: With dead ends: 3275 [2023-11-19 08:02:09,959 INFO L226 Difference]: Without dead ends: 1898 [2023-11-19 08:02:09,961 INFO L412 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 [2023-11-19 08:02:09,962 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 332 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:09,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 314 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:02:09,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2023-11-19 08:02:10,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1672. [2023-11-19 08:02:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1671 states have (on average 1.331538001196888) internal successors, (2225), 1671 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2225 transitions. [2023-11-19 08:02:10,099 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2225 transitions. Word has length 83 [2023-11-19 08:02:10,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:10,100 INFO L495 AbstractCegarLoop]: Abstraction has 1672 states and 2225 transitions. [2023-11-19 08:02:10,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2225 transitions. [2023-11-19 08:02:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 08:02:10,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:10,104 INFO L195 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, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:10,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-19 08:02:10,105 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:10,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:10,105 INFO L85 PathProgramCache]: Analyzing trace with hash 961486992, now seen corresponding path program 1 times [2023-11-19 08:02:10,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:10,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906400463] [2023-11-19 08:02:10,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:10,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 08:02:10,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:10,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906400463] [2023-11-19 08:02:10,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906400463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:10,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:10,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 08:02:10,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155391877] [2023-11-19 08:02:10,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:10,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:02:10,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:10,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:02:10,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:02:10,360 INFO L87 Difference]: Start difference. First operand 1672 states and 2225 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:10,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:10,875 INFO L93 Difference]: Finished difference Result 3113 states and 4124 transitions. [2023-11-19 08:02:10,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 08:02:10,876 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 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 [2023-11-19 08:02:10,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:10,887 INFO L225 Difference]: With dead ends: 3113 [2023-11-19 08:02:10,888 INFO L226 Difference]: Without dead ends: 2049 [2023-11-19 08:02:10,891 INFO L412 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 [2023-11-19 08:02:10,891 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 261 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:10,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 413 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:02:10,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2023-11-19 08:02:10,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 1475. [2023-11-19 08:02:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1474 states have (on average 1.3419267299864315) internal successors, (1978), 1474 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:10,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1978 transitions. [2023-11-19 08:02:10,980 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1978 transitions. Word has length 86 [2023-11-19 08:02:10,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:10,980 INFO L495 AbstractCegarLoop]: Abstraction has 1475 states and 1978 transitions. [2023-11-19 08:02:10,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1978 transitions. [2023-11-19 08:02:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 08:02:10,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:10,986 INFO L195 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] [2023-11-19 08:02:10,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-19 08:02:10,986 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:10,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:10,987 INFO L85 PathProgramCache]: Analyzing trace with hash 976764151, now seen corresponding path program 1 times [2023-11-19 08:02:10,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:10,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075018577] [2023-11-19 08:02:10,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:10,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:11,230 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 08:02:11,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:11,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075018577] [2023-11-19 08:02:11,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075018577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:11,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:11,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:11,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440801886] [2023-11-19 08:02:11,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:11,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:02:11,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:11,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:02:11,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:11,233 INFO L87 Difference]: Start difference. First operand 1475 states and 1978 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) [2023-11-19 08:02:11,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:11,673 INFO L93 Difference]: Finished difference Result 4597 states and 6146 transitions. [2023-11-19 08:02:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:11,674 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 [2023-11-19 08:02:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:11,700 INFO L225 Difference]: With dead ends: 4597 [2023-11-19 08:02:11,700 INFO L226 Difference]: Without dead ends: 4403 [2023-11-19 08:02:11,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:02:11,703 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 233 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:11,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 468 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:11,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4403 states. [2023-11-19 08:02:11,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4403 to 1475. [2023-11-19 08:02:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1474 states have (on average 1.3419267299864315) internal successors, (1978), 1474 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:11,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1978 transitions. [2023-11-19 08:02:11,856 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1978 transitions. Word has length 86 [2023-11-19 08:02:11,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:11,856 INFO L495 AbstractCegarLoop]: Abstraction has 1475 states and 1978 transitions. [2023-11-19 08:02:11,856 INFO L496 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) [2023-11-19 08:02:11,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1978 transitions. [2023-11-19 08:02:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 08:02:11,860 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:11,860 INFO L195 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] [2023-11-19 08:02:11,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-19 08:02:11,862 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:11,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:11,864 INFO L85 PathProgramCache]: Analyzing trace with hash -2065857063, now seen corresponding path program 1 times [2023-11-19 08:02:11,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:11,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690541406] [2023-11-19 08:02:11,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:11,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 08:02:12,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:12,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690541406] [2023-11-19 08:02:12,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690541406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:12,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:12,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:12,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166334618] [2023-11-19 08:02:12,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:12,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:02:12,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:12,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:02:12,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:12,177 INFO L87 Difference]: Start difference. First operand 1475 states and 1978 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) [2023-11-19 08:02:12,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:12,430 INFO L93 Difference]: Finished difference Result 3662 states and 4693 transitions. [2023-11-19 08:02:12,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:12,431 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 [2023-11-19 08:02:12,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:12,443 INFO L225 Difference]: With dead ends: 3662 [2023-11-19 08:02:12,443 INFO L226 Difference]: Without dead ends: 2248 [2023-11-19 08:02:12,446 INFO L412 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 [2023-11-19 08:02:12,447 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 271 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:12,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 338 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:12,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2023-11-19 08:02:12,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 1692. [2023-11-19 08:02:12,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1692 states, 1691 states have (on average 1.2324068598462448) internal successors, (2084), 1691 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2084 transitions. [2023-11-19 08:02:12,571 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2084 transitions. Word has length 89 [2023-11-19 08:02:12,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:12,572 INFO L495 AbstractCegarLoop]: Abstraction has 1692 states and 2084 transitions. [2023-11-19 08:02:12,572 INFO L496 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) [2023-11-19 08:02:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2084 transitions. [2023-11-19 08:02:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 08:02:12,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:12,575 INFO L195 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] [2023-11-19 08:02:12,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-19 08:02:12,575 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:12,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:12,576 INFO L85 PathProgramCache]: Analyzing trace with hash 32056339, now seen corresponding path program 1 times [2023-11-19 08:02:12,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:12,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567469192] [2023-11-19 08:02:12,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:12,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-19 08:02:12,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:12,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567469192] [2023-11-19 08:02:12,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567469192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:12,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:12,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:12,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851992868] [2023-11-19 08:02:12,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:12,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:12,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:12,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:12,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:12,802 INFO L87 Difference]: Start difference. First operand 1692 states and 2084 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2023-11-19 08:02:12,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:12,866 INFO L93 Difference]: Finished difference Result 2467 states and 3029 transitions. [2023-11-19 08:02:12,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:12,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 89 [2023-11-19 08:02:12,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:12,871 INFO L225 Difference]: With dead ends: 2467 [2023-11-19 08:02:12,871 INFO L226 Difference]: Without dead ends: 778 [2023-11-19 08:02:12,873 INFO L412 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 [2023-11-19 08:02:12,875 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 90 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 91 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 [2023-11-19 08:02:12,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 91 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:12,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2023-11-19 08:02:12,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 778. [2023-11-19 08:02:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 777 states have (on average 1.22007722007722) internal successors, (948), 777 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 948 transitions. [2023-11-19 08:02:12,943 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 948 transitions. Word has length 89 [2023-11-19 08:02:12,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:12,944 INFO L495 AbstractCegarLoop]: Abstraction has 778 states and 948 transitions. [2023-11-19 08:02:12,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2023-11-19 08:02:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 948 transitions. [2023-11-19 08:02:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 08:02:12,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:12,946 INFO L195 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] [2023-11-19 08:02:12,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-19 08:02:12,947 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:12,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:12,947 INFO L85 PathProgramCache]: Analyzing trace with hash 27653987, now seen corresponding path program 1 times [2023-11-19 08:02:12,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:12,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185877458] [2023-11-19 08:02:12,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:12,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 08:02:13,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:13,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185877458] [2023-11-19 08:02:13,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185877458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:13,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:13,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:02:13,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995464629] [2023-11-19 08:02:13,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:13,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:13,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:13,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:13,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:13,197 INFO L87 Difference]: Start difference. First operand 778 states and 948 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) [2023-11-19 08:02:13,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:13,870 INFO L93 Difference]: Finished difference Result 3324 states and 4036 transitions. [2023-11-19 08:02:13,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:02:13,871 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 [2023-11-19 08:02:13,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:13,891 INFO L225 Difference]: With dead ends: 3324 [2023-11-19 08:02:13,891 INFO L226 Difference]: Without dead ends: 3108 [2023-11-19 08:02:13,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:02:13,893 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 343 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:13,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 734 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:02:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2023-11-19 08:02:14,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 778. [2023-11-19 08:02:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 777 states have (on average 1.22007722007722) internal successors, (948), 777 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 948 transitions. [2023-11-19 08:02:14,024 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 948 transitions. Word has length 89 [2023-11-19 08:02:14,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:14,025 INFO L495 AbstractCegarLoop]: Abstraction has 778 states and 948 transitions. [2023-11-19 08:02:14,025 INFO L496 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) [2023-11-19 08:02:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 948 transitions. [2023-11-19 08:02:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 08:02:14,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:14,028 INFO L195 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] [2023-11-19 08:02:14,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-19 08:02:14,029 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:14,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:14,029 INFO L85 PathProgramCache]: Analyzing trace with hash 939921604, now seen corresponding path program 1 times [2023-11-19 08:02:14,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:14,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143299733] [2023-11-19 08:02:14,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:14,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-19 08:02:14,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:14,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143299733] [2023-11-19 08:02:14,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143299733] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:14,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502968033] [2023-11-19 08:02:14,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:14,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:14,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:14,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:14,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:02:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:14,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 08:02:14,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 08:02:14,467 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:14,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502968033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:14,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:02:14,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2023-11-19 08:02:14,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144549528] [2023-11-19 08:02:14,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:14,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:14,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:14,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:14,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:02:14,470 INFO L87 Difference]: Start difference. First operand 778 states and 948 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) [2023-11-19 08:02:14,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:14,706 INFO L93 Difference]: Finished difference Result 1682 states and 2044 transitions. [2023-11-19 08:02:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:14,707 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 [2023-11-19 08:02:14,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:14,724 INFO L225 Difference]: With dead ends: 1682 [2023-11-19 08:02:14,730 INFO L226 Difference]: Without dead ends: 1423 [2023-11-19 08:02:14,731 INFO L412 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 [2023-11-19 08:02:14,732 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 73 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:14,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 260 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2023-11-19 08:02:14,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1353. [2023-11-19 08:02:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 1352 states have (on average 1.2233727810650887) internal successors, (1654), 1352 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:14,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1654 transitions. [2023-11-19 08:02:14,843 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1654 transitions. Word has length 89 [2023-11-19 08:02:14,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:14,844 INFO L495 AbstractCegarLoop]: Abstraction has 1353 states and 1654 transitions. [2023-11-19 08:02:14,844 INFO L496 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) [2023-11-19 08:02:14,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1654 transitions. [2023-11-19 08:02:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 08:02:14,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:14,847 INFO L195 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] [2023-11-19 08:02:14,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:15,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-19 08:02:15,061 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:15,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:15,061 INFO L85 PathProgramCache]: Analyzing trace with hash -802356385, now seen corresponding path program 1 times [2023-11-19 08:02:15,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:15,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214343047] [2023-11-19 08:02:15,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:15,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 33 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 08:02:15,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:15,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214343047] [2023-11-19 08:02:15,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214343047] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:15,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845371751] [2023-11-19 08:02:15,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:15,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:15,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:15,481 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:15,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:02:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:15,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 08:02:15,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:15,785 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 08:02:15,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:15,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845371751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:15,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:02:15,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2023-11-19 08:02:15,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717987965] [2023-11-19 08:02:15,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:15,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:02:15,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:15,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:02:15,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:02:15,787 INFO L87 Difference]: Start difference. First operand 1353 states and 1654 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 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) [2023-11-19 08:02:16,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:16,105 INFO L93 Difference]: Finished difference Result 3145 states and 3825 transitions. [2023-11-19 08:02:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:02:16,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 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 91 [2023-11-19 08:02:16,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:16,114 INFO L225 Difference]: With dead ends: 3145 [2023-11-19 08:02:16,114 INFO L226 Difference]: Without dead ends: 2393 [2023-11-19 08:02:16,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:02:16,117 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 316 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:16,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1131 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:16,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2023-11-19 08:02:16,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 1541. [2023-11-19 08:02:16,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 1540 states have (on average 1.2162337662337663) internal successors, (1873), 1540 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:16,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 1873 transitions. [2023-11-19 08:02:16,282 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 1873 transitions. Word has length 91 [2023-11-19 08:02:16,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:16,282 INFO L495 AbstractCegarLoop]: Abstraction has 1541 states and 1873 transitions. [2023-11-19 08:02:16,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 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) [2023-11-19 08:02:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1873 transitions. [2023-11-19 08:02:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 08:02:16,286 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:16,286 INFO L195 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] [2023-11-19 08:02:16,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:16,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-19 08:02:16,494 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:16,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:16,495 INFO L85 PathProgramCache]: Analyzing trace with hash 397319621, now seen corresponding path program 1 times [2023-11-19 08:02:16,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:16,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298924023] [2023-11-19 08:02:16,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:16,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:16,726 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 08:02:16,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:16,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298924023] [2023-11-19 08:02:16,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298924023] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:16,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062562756] [2023-11-19 08:02:16,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:16,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:16,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:16,729 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:16,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 08:02:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:16,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 08:02:16,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 08:02:17,016 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 44 proven. 31 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 08:02:17,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062562756] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:17,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:02:17,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 9] total 17 [2023-11-19 08:02:17,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368396390] [2023-11-19 08:02:17,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:17,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-19 08:02:17,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:17,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-19 08:02:17,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2023-11-19 08:02:17,276 INFO L87 Difference]: Start difference. First operand 1541 states and 1873 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) [2023-11-19 08:02:19,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:19,369 INFO L93 Difference]: Finished difference Result 4801 states and 6032 transitions. [2023-11-19 08:02:19,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-19 08:02:19,370 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 [2023-11-19 08:02:19,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:19,384 INFO L225 Difference]: With dead ends: 4801 [2023-11-19 08:02:19,384 INFO L226 Difference]: Without dead ends: 2823 [2023-11-19 08:02:19,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=586, Invalid=1220, Unknown=0, NotChecked=0, Total=1806 [2023-11-19 08:02:19,389 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 1369 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:19,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1369 Valid, 877 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 08:02:19,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2023-11-19 08:02:19,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 1833. [2023-11-19 08:02:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1833 states, 1832 states have (on average 1.2330786026200873) internal successors, (2259), 1832 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2259 transitions. [2023-11-19 08:02:19,640 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2259 transitions. Word has length 92 [2023-11-19 08:02:19,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:19,641 INFO L495 AbstractCegarLoop]: Abstraction has 1833 states and 2259 transitions. [2023-11-19 08:02:19,641 INFO L496 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) [2023-11-19 08:02:19,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2259 transitions. [2023-11-19 08:02:19,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 08:02:19,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:19,645 INFO L195 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] [2023-11-19 08:02:19,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:19,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-19 08:02:19,861 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:19,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:19,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1736938637, now seen corresponding path program 1 times [2023-11-19 08:02:19,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:19,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121946000] [2023-11-19 08:02:19,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:19,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:20,378 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 56 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 08:02:20,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:20,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121946000] [2023-11-19 08:02:20,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121946000] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:20,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874628679] [2023-11-19 08:02:20,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:20,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:20,380 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:20,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 08:02:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:21,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 08:02:21,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 08:02:21,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 08:02:21,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874628679] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:21,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:02:21,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-11-19 08:02:21,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431777608] [2023-11-19 08:02:21,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:21,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 08:02:21,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:21,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 08:02:21,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-11-19 08:02:21,838 INFO L87 Difference]: Start difference. First operand 1833 states and 2259 transitions. Second operand has 16 states, 16 states have (on average 15.3125) internal successors, (245), 16 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:23,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:23,564 INFO L93 Difference]: Finished difference Result 6321 states and 7432 transitions. [2023-11-19 08:02:23,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-19 08:02:23,570 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 15.3125) internal successors, (245), 16 states have internal predecessors, (245), 0 states have call successors, (0), 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 [2023-11-19 08:02:23,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:23,574 INFO L225 Difference]: With dead ends: 6321 [2023-11-19 08:02:23,574 INFO L226 Difference]: Without dead ends: 1667 [2023-11-19 08:02:23,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=372, Invalid=1034, Unknown=0, NotChecked=0, Total=1406 [2023-11-19 08:02:23,581 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 854 mSDsluCounter, 1779 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 2120 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:23,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 2120 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 08:02:23,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2023-11-19 08:02:23,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 508. [2023-11-19 08:02:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 507 states have (on average 1.272189349112426) internal successors, (645), 507 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 645 transitions. [2023-11-19 08:02:23,652 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 645 transitions. Word has length 97 [2023-11-19 08:02:23,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:23,652 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 645 transitions. [2023-11-19 08:02:23,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.3125) internal successors, (245), 16 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 645 transitions. [2023-11-19 08:02:23,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 08:02:23,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:23,658 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:23,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:23,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-19 08:02:23,864 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:23,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:23,865 INFO L85 PathProgramCache]: Analyzing trace with hash -693822748, now seen corresponding path program 1 times [2023-11-19 08:02:23,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:23,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474841312] [2023-11-19 08:02:23,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:23,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:24,325 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:24,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:24,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474841312] [2023-11-19 08:02:24,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474841312] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:24,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778883593] [2023-11-19 08:02:24,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:24,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:24,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:24,327 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:24,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 08:02:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:24,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:02:24,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 08:02:24,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 08:02:24,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778883593] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:24,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:02:24,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 6] total 14 [2023-11-19 08:02:24,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436969177] [2023-11-19 08:02:24,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:24,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 08:02:24,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:24,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 08:02:24,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-11-19 08:02:24,814 INFO L87 Difference]: Start difference. First operand 508 states and 645 transitions. Second operand has 14 states, 14 states have (on average 14.428571428571429) internal successors, (202), 14 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:25,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:25,346 INFO L93 Difference]: Finished difference Result 993 states and 1247 transitions. [2023-11-19 08:02:25,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 08:02:25,347 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.428571428571429) internal successors, (202), 14 states have internal predecessors, (202), 0 states have call successors, (0), 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 101 [2023-11-19 08:02:25,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:25,348 INFO L225 Difference]: With dead ends: 993 [2023-11-19 08:02:25,349 INFO L226 Difference]: Without dead ends: 488 [2023-11-19 08:02:25,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 198 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2023-11-19 08:02:25,351 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 406 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:25,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 304 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:02:25,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2023-11-19 08:02:25,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 378. [2023-11-19 08:02:25,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 377 states have (on average 1.156498673740053) internal successors, (436), 377 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 436 transitions. [2023-11-19 08:02:25,404 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 436 transitions. Word has length 101 [2023-11-19 08:02:25,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:25,405 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 436 transitions. [2023-11-19 08:02:25,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.428571428571429) internal successors, (202), 14 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 436 transitions. [2023-11-19 08:02:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 08:02:25,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:25,407 INFO L195 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] [2023-11-19 08:02:25,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:25,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-19 08:02:25,621 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 08:02:25,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:25,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1365348958, now seen corresponding path program 1 times [2023-11-19 08:02:25,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:25,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806812695] [2023-11-19 08:02:25,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:25,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:25,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:25,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:25,890 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:02:25,891 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 41 remaining) [2023-11-19 08:02:25,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 41 remaining) [2023-11-19 08:02:25,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 41 remaining) [2023-11-19 08:02:25,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 41 remaining) [2023-11-19 08:02:25,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 41 remaining) [2023-11-19 08:02:25,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 41 remaining) [2023-11-19 08:02:25,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 41 remaining) [2023-11-19 08:02:25,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 41 remaining) [2023-11-19 08:02:25,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 41 remaining) [2023-11-19 08:02:25,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 41 remaining) [2023-11-19 08:02:25,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 41 remaining) [2023-11-19 08:02:25,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 41 remaining) [2023-11-19 08:02:25,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 41 remaining) [2023-11-19 08:02:25,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 41 remaining) [2023-11-19 08:02:25,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 41 remaining) [2023-11-19 08:02:25,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 41 remaining) [2023-11-19 08:02:25,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 41 remaining) [2023-11-19 08:02:25,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 41 remaining) [2023-11-19 08:02:25,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 41 remaining) [2023-11-19 08:02:25,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 41 remaining) [2023-11-19 08:02:25,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 41 remaining) [2023-11-19 08:02:25,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 41 remaining) [2023-11-19 08:02:25,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 41 remaining) [2023-11-19 08:02:25,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 41 remaining) [2023-11-19 08:02:25,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 41 remaining) [2023-11-19 08:02:25,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 41 remaining) [2023-11-19 08:02:25,902 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 41 remaining) [2023-11-19 08:02:25,902 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 41 remaining) [2023-11-19 08:02:25,902 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 41 remaining) [2023-11-19 08:02:25,902 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 41 remaining) [2023-11-19 08:02:25,903 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 41 remaining) [2023-11-19 08:02:25,903 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 41 remaining) [2023-11-19 08:02:25,903 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 41 remaining) [2023-11-19 08:02:25,903 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 41 remaining) [2023-11-19 08:02:25,903 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 41 remaining) [2023-11-19 08:02:25,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 41 remaining) [2023-11-19 08:02:25,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 41 remaining) [2023-11-19 08:02:25,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 41 remaining) [2023-11-19 08:02:25,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 41 remaining) [2023-11-19 08:02:25,905 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 41 remaining) [2023-11-19 08:02:25,905 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 41 remaining) [2023-11-19 08:02:25,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-19 08:02:25,909 INFO L445 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, 1] [2023-11-19 08:02:25,915 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:02:26,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 08:02:26,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 08:02:26,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-19 08:02:26,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 08:02:26,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 08:02:26,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-19 08:02:26,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:26 BoogieIcfgContainer [2023-11-19 08:02:26,065 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:02:26,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:02:26,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:02:26,067 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:02:26,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:58" (3/4) ... [2023-11-19 08:02:26,068 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 08:02:26,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 08:02:26,111 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 08:02:26,111 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-19 08:02:26,111 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 08:02:26,112 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-19 08:02:26,112 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 08:02:26,192 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:02:26,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:02:26,193 INFO L158 Benchmark]: Toolchain (without parser) took 29118.16ms. Allocated memory was 134.2MB in the beginning and 394.3MB in the end (delta: 260.0MB). Free memory was 89.5MB in the beginning and 313.8MB in the end (delta: -224.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-19 08:02:26,194 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:26,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.73ms. Allocated memory is still 134.2MB. Free memory was 88.9MB in the beginning and 76.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:02:26,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.63ms. Allocated memory is still 134.2MB. Free memory was 76.3MB in the beginning and 72.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:02:26,195 INFO L158 Benchmark]: Boogie Preprocessor took 45.93ms. Allocated memory is still 134.2MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:26,196 INFO L158 Benchmark]: RCFGBuilder took 775.51ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 70.0MB in the beginning and 141.7MB in the end (delta: -71.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-19 08:02:26,199 INFO L158 Benchmark]: TraceAbstraction took 27725.72ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 140.7MB in the beginning and 322.2MB in the end (delta: -181.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:26,200 INFO L158 Benchmark]: Witness Printer took 126.28ms. Allocated memory is still 394.3MB. Free memory was 322.2MB in the beginning and 313.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 08:02:26,210 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.73ms. Allocated memory is still 134.2MB. Free memory was 88.9MB in the beginning and 76.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.63ms. Allocated memory is still 134.2MB. Free memory was 76.3MB in the beginning and 72.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.93ms. Allocated memory is still 134.2MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 775.51ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 70.0MB in the beginning and 141.7MB in the end (delta: -71.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 27725.72ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 140.7MB in the beginning and 322.2MB in the end (delta: -181.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Witness Printer took 126.28ms. Allocated memory is still 394.3MB. Free memory was 322.2MB in the beginning and 313.8MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, na=4] [L68] nb = (unsigned char)4 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=101] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=101] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=101] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=101] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=256] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=256] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=0, na=4, nb=4, partial_sum=256] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L85] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=0] [L91] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=0] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=0] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L86] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=0, r1=0] [L92] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=0, r1=0] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=0, r1=0, r2=0] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, 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 [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0] [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0, r3=128] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0, r3=128] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0, r3=128] [L107] COND FALSE !(i < (unsigned char)4) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0, r3=128] [L116] EXPR r1 << 8U VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0, r3=128] [L116] EXPR r0 | (r1 << 8U) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0, r3=128] [L116] EXPR r2 << 16U VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0, r3=128] [L116] r0 | (r1 << 8U) | (r2 << 16U) VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0, r3=128] [L116] r3 << 24U VAL [\old(a)=234770789, \old(b)=1912712859, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=1912712859, b1=7471534, b2=29185, b3=114, b=1912712859, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=0, r1=0, r2=0, r3=128] - 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, 129 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 27.5s, OverallIterations: 27, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7022 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7022 mSDsluCounter, 11983 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8450 mSDsCounter, 502 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6219 IncrementalHoareTripleChecker+Invalid, 6721 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 502 mSolverCounterUnsat, 3533 mSDtfsCounter, 6219 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1446 GetRequests, 1188 SyntacticMatches, 7 SemanticMatches, 251 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1692 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1833occurred in iteration=24, InterpolantAutomatonStates: 242, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 26 MinimizatonAttempts, 15097 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 2613 NumberOfCodeBlocks, 2613 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2836 ConstructedInterpolants, 0 QuantifiedInterpolants, 10736 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1715 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 40 InterpolantComputations, 22 PerfectInterpolantSequences, 2054/2453 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! [2023-11-19 08:02:26,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eefdf9e-6efd-4811-a758-8115f2aab6a1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)