./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6d6de59cf2b416f7340c8c861064933450d6034e9a050a1b7fe5107e8fa4152f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:18:51,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:18:51,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-21 22:18:51,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:18:51,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:18:51,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:18:51,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:18:51,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:18:51,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:18:51,674 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:18:51,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:18:51,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:18:51,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:18:51,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:18:51,679 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:18:51,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:18:51,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:18:51,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:18:51,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:18:51,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:18:51,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:18:51,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:18:51,683 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:18:51,683 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:18:51,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:18:51,684 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:18:51,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:18:51,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:18:51,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:18:51,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:18:51,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:18:51,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:18:51,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:18:51,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:18:51,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:18:51,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:18:51,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:18:51,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:18:51,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:18:51,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:18:51,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:18:51,691 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_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d6de59cf2b416f7340c8c861064933450d6034e9a050a1b7fe5107e8fa4152f [2023-11-21 22:18:52,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:18:52,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:18:52,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:18:52,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:18:52,072 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:18:52,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2023-11-21 22:18:55,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:18:55,427 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:18:55,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2023-11-21 22:18:55,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/data/732b1126d/efce28b3fad54a8a8b35059d4eacdc00/FLAGf2927652b [2023-11-21 22:18:55,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/data/732b1126d/efce28b3fad54a8a8b35059d4eacdc00 [2023-11-21 22:18:55,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:18:55,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:18:55,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:18:55,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:18:55,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:18:55,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75dc08e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55, skipping insertion in model container [2023-11-21 22:18:55,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:18:55,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:18:55,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:18:55,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:18:55,725 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:18:55,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55 WrapperNode [2023-11-21 22:18:55,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:18:55,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:18:55,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:18:55,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:18:55,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,760 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2023-11-21 22:18:55,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:18:55,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:18:55,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:18:55,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:18:55,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,774 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,780 INFO L187 HeapSplitter]: Split 0 memory accesses to 0 slices as follows [] [2023-11-21 22:18:55,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:18:55,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:18:55,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:18:55,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:18:55,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (1/1) ... [2023-11-21 22:18:55,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:18:55,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:18:55,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:18:55,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:18:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:18:55,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:18:55,959 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:18:55,961 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:18:56,085 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:18:56,126 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:18:56,127 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:18:56,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:56 BoogieIcfgContainer [2023-11-21 22:18:56,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:18:56,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:18:56,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:18:56,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:18:56,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:18:55" (1/3) ... [2023-11-21 22:18:56,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca73dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:18:56, skipping insertion in model container [2023-11-21 22:18:56,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:55" (2/3) ... [2023-11-21 22:18:56,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca73dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:18:56, skipping insertion in model container [2023-11-21 22:18:56,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:56" (3/3) ... [2023-11-21 22:18:56,139 INFO L112 eAbstractionObserver]: Analyzing ICFG java_LogBuiltIn.c [2023-11-21 22:18:56,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:18:56,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-21 22:18:56,208 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:18:56,217 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;@54816f99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:18:56,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-21 22:18:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:56,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 22:18:56,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:18:56,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 22:18:56,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 22:18:56,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:56,236 INFO L85 PathProgramCache]: Analyzing trace with hash 59935, now seen corresponding path program 1 times [2023-11-21 22:18:56,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:56,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775960264] [2023-11-21 22:18:56,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:56,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:56,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:18:56,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775960264] [2023-11-21 22:18:56,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775960264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:18:56,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:18:56,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:18:56,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14971330] [2023-11-21 22:18:56,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:18:56,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:18:56,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:18:56,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:18:56,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:18:56,584 INFO L87 Difference]: Start difference. First operand has 11 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:56,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:18:56,645 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2023-11-21 22:18:56,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:18:56,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2023-11-21 22:18:56,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:18:56,659 INFO L225 Difference]: With dead ends: 11 [2023-11-21 22:18:56,659 INFO L226 Difference]: Without dead ends: 9 [2023-11-21 22:18:56,663 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 [2023-11-21 22:18:56,669 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:18:56,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:18:56,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-21 22:18:56,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-21 22:18:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.5) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-21 22:18:56,706 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3 [2023-11-21 22:18:56,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:18:56,707 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-21 22:18:56,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:56,710 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-21 22:18:56,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:18:56,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:18:56,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:18:56,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:18:56,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 22:18:56,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:56,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1858030, now seen corresponding path program 1 times [2023-11-21 22:18:56,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:56,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026042832] [2023-11-21 22:18:56,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:56,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:56,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:18:56,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026042832] [2023-11-21 22:18:56,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026042832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:18:56,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:18:56,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:18:56,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097387721] [2023-11-21 22:18:56,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:18:56,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:18:56,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:18:56,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:18:56,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:18:56,909 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:56,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:18:56,924 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2023-11-21 22:18:56,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:18:56,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-21 22:18:56,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:18:56,926 INFO L225 Difference]: With dead ends: 9 [2023-11-21 22:18:56,926 INFO L226 Difference]: Without dead ends: 8 [2023-11-21 22:18:56,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:18:56,928 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:18:56,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:18:56,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-21 22:18:56,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-21 22:18:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:56,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-21 22:18:56,933 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-21 22:18:56,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:18:56,933 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-21 22:18:56,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-21 22:18:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 22:18:56,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:18:56,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-21 22:18:56,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:18:56,935 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 22:18:56,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:56,936 INFO L85 PathProgramCache]: Analyzing trace with hash 57598977, now seen corresponding path program 1 times [2023-11-21 22:18:56,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:56,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851705517] [2023-11-21 22:18:56,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:56,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:57,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:18:57,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851705517] [2023-11-21 22:18:57,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851705517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:18:57,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:18:57,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:18:57,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951072766] [2023-11-21 22:18:57,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:18:57,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:18:57,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:18:57,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:18:57,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:18:57,010 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:57,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:18:57,044 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2023-11-21 22:18:57,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:18:57,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2023-11-21 22:18:57,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:18:57,048 INFO L225 Difference]: With dead ends: 8 [2023-11-21 22:18:57,048 INFO L226 Difference]: Without dead ends: 7 [2023-11-21 22:18:57,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:18:57,053 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 5 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:18:57,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:18:57,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2023-11-21 22:18:57,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-21 22:18:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-21 22:18:57,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2023-11-21 22:18:57,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:18:57,065 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2023-11-21 22:18:57,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-21 22:18:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 22:18:57,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:18:57,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:18:57,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:18:57,069 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 22:18:57,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:57,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1785568336, now seen corresponding path program 1 times [2023-11-21 22:18:57,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:57,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136128196] [2023-11-21 22:18:57,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:57,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:57,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:18:57,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136128196] [2023-11-21 22:18:57,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136128196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:18:57,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:18:57,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:18:57,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592077632] [2023-11-21 22:18:57,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:18:57,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:18:57,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:18:57,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:18:57,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:18:57,176 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:57,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:18:57,213 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2023-11-21 22:18:57,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:18:57,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-21 22:18:57,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:18:57,215 INFO L225 Difference]: With dead ends: 13 [2023-11-21 22:18:57,215 INFO L226 Difference]: Without dead ends: 12 [2023-11-21 22:18:57,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:18:57,217 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:18:57,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:18:57,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-21 22:18:57,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-21 22:18:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-21 22:18:57,223 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6 [2023-11-21 22:18:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:18:57,224 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-21 22:18:57,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-21 22:18:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 22:18:57,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:18:57,225 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1] [2023-11-21 22:18:57,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:18:57,226 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 22:18:57,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:57,226 INFO L85 PathProgramCache]: Analyzing trace with hash -796027875, now seen corresponding path program 1 times [2023-11-21 22:18:57,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:57,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992153275] [2023-11-21 22:18:57,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:57,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:57,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:18:57,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992153275] [2023-11-21 22:18:57,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992153275] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:18:57,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562126708] [2023-11-21 22:18:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:57,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:18:57,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:18:57,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:18:57,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:18:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:57,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:18:57,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:18:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:57,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:18:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:57,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562126708] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:18:57,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:18:57,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2023-11-21 22:18:57,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397984546] [2023-11-21 22:18:57,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:18:57,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-21 22:18:57,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:18:57,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 22:18:57,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:18:57,559 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:57,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:18:57,686 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2023-11-21 22:18:57,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 22:18:57,687 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-21 22:18:57,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:18:57,690 INFO L225 Difference]: With dead ends: 28 [2023-11-21 22:18:57,690 INFO L226 Difference]: Without dead ends: 27 [2023-11-21 22:18:57,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-11-21 22:18:57,694 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 14 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:18:57,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 20 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:18:57,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-21 22:18:57,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-21 22:18:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:57,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-11-21 22:18:57,701 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 11 [2023-11-21 22:18:57,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:18:57,701 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2023-11-21 22:18:57,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-11-21 22:18:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 22:18:57,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:18:57,703 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1] [2023-11-21 22:18:57,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:18:57,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:18:57,924 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 22:18:57,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:57,925 INFO L85 PathProgramCache]: Analyzing trace with hash -964844400, now seen corresponding path program 2 times [2023-11-21 22:18:57,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:57,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210220950] [2023-11-21 22:18:57,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:57,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:58,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:18:58,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210220950] [2023-11-21 22:18:58,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210220950] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:18:58,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993503954] [2023-11-21 22:18:58,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:18:58,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:18:58,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:18:58,227 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:18:58,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 22:18:58,294 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 22:18:58,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:18:58,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:18:58,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:18:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:58,375 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:18:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:58,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993503954] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:18:58,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:18:58,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2023-11-21 22:18:58,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198942364] [2023-11-21 22:18:58,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:18:58,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-21 22:18:58,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:18:58,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-21 22:18:58,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-11-21 22:18:58,594 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 22 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 21 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:58,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:18:58,786 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2023-11-21 22:18:58,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-21 22:18:58,787 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 21 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-11-21 22:18:58,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:18:58,788 INFO L225 Difference]: With dead ends: 58 [2023-11-21 22:18:58,788 INFO L226 Difference]: Without dead ends: 57 [2023-11-21 22:18:58,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-11-21 22:18:58,790 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 40 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:18:58,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 32 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:18:58,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-21 22:18:58,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-21 22:18:58,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:58,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2023-11-21 22:18:58,799 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 26 [2023-11-21 22:18:58,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:18:58,800 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2023-11-21 22:18:58,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 21 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:18:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2023-11-21 22:18:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 22:18:58,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:18:58,802 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1] [2023-11-21 22:18:58,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:18:59,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:18:59,024 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 22:18:59,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:59,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2013772560, now seen corresponding path program 3 times [2023-11-21 22:18:59,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:59,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956544058] [2023-11-21 22:18:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:59,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:18:59,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:18:59,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956544058] [2023-11-21 22:18:59,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956544058] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:18:59,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690256583] [2023-11-21 22:18:59,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-21 22:18:59,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:18:59,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:18:59,822 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:18:59,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 22:18:59,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-21 22:18:59,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:18:59,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 22:18:59,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:19:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:19:00,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:19:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:19:00,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690256583] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:19:00,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:19:00,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 44 [2023-11-21 22:19:00,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221709326] [2023-11-21 22:19:00,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:19:00,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-21 22:19:00,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:00,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-21 22:19:00,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2023-11-21 22:19:00,815 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand has 46 states, 45 states have (on average 2.488888888888889) internal successors, (112), 45 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) [2023-11-21 22:19:01,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:19:01,438 INFO L93 Difference]: Finished difference Result 118 states and 129 transitions. [2023-11-21 22:19:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-21 22:19:01,439 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.488888888888889) internal successors, (112), 45 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 56 [2023-11-21 22:19:01,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:19:01,441 INFO L225 Difference]: With dead ends: 118 [2023-11-21 22:19:01,441 INFO L226 Difference]: Without dead ends: 117 [2023-11-21 22:19:01,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2023-11-21 22:19:01,445 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 116 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:19:01,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 59 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:19:01,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-21 22:19:01,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-11-21 22:19:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.0086206896551724) internal successors, (117), 116 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2023-11-21 22:19:01,459 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 56 [2023-11-21 22:19:01,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:19:01,460 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2023-11-21 22:19:01,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.488888888888889) internal successors, (112), 45 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) [2023-11-21 22:19:01,460 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2023-11-21 22:19:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 22:19:01,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:01,465 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 1, 1] [2023-11-21 22:19:01,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:19:01,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:19:01,676 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 22:19:01,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:01,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2068630960, now seen corresponding path program 4 times [2023-11-21 22:19:01,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:01,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027053151] [2023-11-21 22:19:01,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:01,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:04,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:19:04,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:19:04,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027053151] [2023-11-21 22:19:04,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027053151] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:19:04,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744542298] [2023-11-21 22:19:04,023 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-21 22:19:04,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:19:04,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:19:04,025 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:19:04,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-21 22:19:04,122 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-21 22:19:04,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:19:04,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-21 22:19:04,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:19:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:19:04,329 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:19:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:19:06,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744542298] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:19:06,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:19:06,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 92 [2023-11-21 22:19:06,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892527270] [2023-11-21 22:19:06,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:19:06,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-11-21 22:19:06,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:06,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-11-21 22:19:06,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2023-11-21 22:19:06,678 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand has 94 states, 93 states have (on average 2.4946236559139785) internal successors, (232), 93 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:08,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:19:08,554 INFO L93 Difference]: Finished difference Result 238 states and 261 transitions. [2023-11-21 22:19:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-21 22:19:08,555 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.4946236559139785) internal successors, (232), 93 states have internal predecessors, (232), 0 states have call successors, (0), 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 116 [2023-11-21 22:19:08,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:19:08,558 INFO L225 Difference]: With dead ends: 238 [2023-11-21 22:19:08,558 INFO L226 Difference]: Without dead ends: 237 [2023-11-21 22:19:08,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=5544, Invalid=13916, Unknown=0, NotChecked=0, Total=19460 [2023-11-21 22:19:08,566 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 320 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:19:08,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 110 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:19:08,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2023-11-21 22:19:08,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2023-11-21 22:19:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 236 states have (on average 1.0042372881355932) internal successors, (237), 236 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2023-11-21 22:19:08,586 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 116 [2023-11-21 22:19:08,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:19:08,587 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2023-11-21 22:19:08,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.4946236559139785) internal successors, (232), 93 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2023-11-21 22:19:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-21 22:19:08,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:08,595 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 1, 1] [2023-11-21 22:19:08,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:19:08,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:19:08,816 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 22:19:08,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:08,816 INFO L85 PathProgramCache]: Analyzing trace with hash 983236400, now seen corresponding path program 5 times [2023-11-21 22:19:08,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:08,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641190020] [2023-11-21 22:19:08,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:08,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:20,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 4741 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-11-21 22:19:20,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:19:20,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641190020] [2023-11-21 22:19:20,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641190020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:19:20,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:19:20,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2023-11-21 22:19:20,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195802881] [2023-11-21 22:19:20,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:19:20,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-11-21 22:19:20,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:20,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-11-21 22:19:20,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2023-11-21 22:19:20,545 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand has 63 states, 63 states have (on average 2.507936507936508) internal successors, (158), 62 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:21,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:19:21,005 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2023-11-21 22:19:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-11-21 22:19:21,006 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 2.507936507936508) internal successors, (158), 62 states have internal predecessors, (158), 0 states have call successors, (0), 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 236 [2023-11-21 22:19:21,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:19:21,008 INFO L225 Difference]: With dead ends: 237 [2023-11-21 22:19:21,008 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:19:21,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 30 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2023-11-21 22:19:21,012 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:19:21,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 492 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-21 22:19:21,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:19:21,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:19:21,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:21,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:19:21,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2023-11-21 22:19:21,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:19:21,014 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:19:21,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.507936507936508) internal successors, (158), 62 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:21,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:19:21,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:19:21,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-21 22:19:21,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-21 22:19:21,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-21 22:19:21,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-21 22:19:21,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:19:21,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:19:21,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2023-11-21 22:19:21,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:19:21,335 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2023-11-21 22:19:21,335 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:19:21,335 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2023-11-21 22:19:21,335 INFO L899 garLoopResultBuilder]: For program point L9-1(line 9) no Hoare annotation was computed. [2023-11-21 22:19:21,341 INFO L895 garLoopResultBuilder]: At program point L7-2(lines 7 12) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_mlog_~res~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 65535) (<= |ULTIMATE.start_mlog_~res~0#1| 15)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 2097151) (<= |ULTIMATE.start_mlog_~res~0#1| 10)) (and (<= |ULTIMATE.start_mlog_~res~0#1| 13) .cse0 (<= |ULTIMATE.start_mlog_~x#1| 262143)) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 9) (<= |ULTIMATE.start_mlog_~x#1| 4194303)) (and (<= |ULTIMATE.start_mlog_~x#1| 16383) .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 17)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 7) (<= |ULTIMATE.start_mlog_~res~0#1| 2147483629)) (and (<= |ULTIMATE.start_mlog_~x#1| 511) .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 22)) (and (<= |ULTIMATE.start_mlog_~x#1| 131071) .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 14)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 32767) (<= |ULTIMATE.start_mlog_~res~0#1| 16)) (and (<= |ULTIMATE.start_mlog_~res~0#1| 2147483628) .cse0 (<= |ULTIMATE.start_mlog_~x#1| 15)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 127) (<= |ULTIMATE.start_mlog_~res~0#1| 2147483625)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 1023) (<= |ULTIMATE.start_mlog_~res~0#1| 21)) (and (= |ULTIMATE.start_mlog_~res~0#1| 0) (<= |ULTIMATE.start_mlog_~x#1| 2147483647)) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 8) (<= |ULTIMATE.start_mlog_~x#1| 8388607)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 2047) (<= |ULTIMATE.start_mlog_~res~0#1| 20)) (and (<= |ULTIMATE.start_mlog_~x#1| 4095) .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 19)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 31) (<= |ULTIMATE.start_mlog_~res~0#1| 2147483627)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 255) (<= |ULTIMATE.start_mlog_~res~0#1| 2147483624)) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 2147483631) (<= |ULTIMATE.start_mlog_~x#1| 1)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 268435455) (<= |ULTIMATE.start_mlog_~res~0#1| 3)) (and (<= |ULTIMATE.start_mlog_~res~0#1| 12) .cse0 (<= |ULTIMATE.start_mlog_~x#1| 524287)) (and (<= |ULTIMATE.start_mlog_~x#1| 1048575) (<= |ULTIMATE.start_mlog_~res~0#1| 11) .cse0) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 16777215) (<= |ULTIMATE.start_mlog_~res~0#1| 7)) (and (<= |ULTIMATE.start_mlog_~res~0#1| 18) .cse0 (<= |ULTIMATE.start_mlog_~x#1| 8191)) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 5) (<= |ULTIMATE.start_mlog_~x#1| 67108863)) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 4) (<= |ULTIMATE.start_mlog_~x#1| 134217727)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 3) (<= |ULTIMATE.start_mlog_~res~0#1| 2147483630)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 536870911) (<= |ULTIMATE.start_mlog_~res~0#1| 2)) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 6) (<= |ULTIMATE.start_mlog_~x#1| 33554431)) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 1) (<= |ULTIMATE.start_mlog_~x#1| 1073741823)) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 2147483626) (<= |ULTIMATE.start_mlog_~x#1| 63)))) [2023-11-21 22:19:21,341 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2023-11-21 22:19:21,341 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2023-11-21 22:19:21,342 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2023-11-21 22:19:21,342 INFO L899 garLoopResultBuilder]: For program point L10-1(line 10) no Hoare annotation was computed. [2023-11-21 22:19:21,345 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1] [2023-11-21 22:19:21,347 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:19:21,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:19:21 BoogieIcfgContainer [2023-11-21 22:19:21,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:19:21,388 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:19:21,388 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:19:21,388 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:19:21,389 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:56" (3/4) ... [2023-11-21 22:19:21,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:19:21,401 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 22:19:21,401 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 22:19:21,401 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 22:19:21,401 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:19:21,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:19:21,496 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:19:21,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:19:21,497 INFO L158 Benchmark]: Toolchain (without parser) took 26040.98ms. Allocated memory was 161.5MB in the beginning and 518.0MB in the end (delta: 356.5MB). Free memory was 127.0MB in the beginning and 428.2MB in the end (delta: -301.2MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2023-11-21 22:19:21,498 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 161.5MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:19:21,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.95ms. Allocated memory is still 161.5MB. Free memory was 127.0MB in the beginning and 117.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:19:21,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.43ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 115.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:19:21,499 INFO L158 Benchmark]: Boogie Preprocessor took 34.62ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 114.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:19:21,499 INFO L158 Benchmark]: RCFGBuilder took 331.21ms. Allocated memory is still 161.5MB. Free memory was 114.4MB in the beginning and 103.6MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:19:21,500 INFO L158 Benchmark]: TraceAbstraction took 25255.91ms. Allocated memory was 161.5MB in the beginning and 518.0MB in the end (delta: 356.5MB). Free memory was 102.8MB in the beginning and 432.4MB in the end (delta: -329.5MB). Peak memory consumption was 287.4MB. Max. memory is 16.1GB. [2023-11-21 22:19:21,500 INFO L158 Benchmark]: Witness Printer took 108.78ms. Allocated memory is still 518.0MB. Free memory was 432.4MB in the beginning and 428.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:19:21,502 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 161.5MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.95ms. Allocated memory is still 161.5MB. Free memory was 127.0MB in the beginning and 117.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.43ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 115.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.62ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 114.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.21ms. Allocated memory is still 161.5MB. Free memory was 114.4MB in the beginning and 103.6MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 25255.91ms. Allocated memory was 161.5MB in the beginning and 518.0MB in the end (delta: 356.5MB). Free memory was 102.8MB in the beginning and 432.4MB in the end (delta: -329.5MB). Peak memory consumption was 287.4MB. Max. memory is 16.1GB. * Witness Printer took 108.78ms. Allocated memory is still 518.0MB. Free memory was 432.4MB in the beginning and 428.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 25.2s, OverallIterations: 9, TraceHistogramMax: 47, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 503 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 503 mSDsluCounter, 743 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 657 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1066 IncrementalHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 86 mSDtfsCounter, 1066 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 677 GetRequests, 330 SyntacticMatches, 31 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5473 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=237occurred in iteration=8, InterpolantAutomatonStates: 250, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 32 NumberOfFragments, 308 HoareAnnotationTreeSize, 1 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 672 NumberOfCodeBlocks, 672 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 864 ConstructedInterpolants, 0 QuantifiedInterpolants, 2670 SizeOfPredicates, 41 NumberOfNonLiveVariables, 483 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 5405/10190 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((0 <= res) && (x <= 65535)) && (res <= 15)) || (((0 <= res) && (x <= 2097151)) && (res <= 10))) || (((res <= 13) && (0 <= res)) && (x <= 262143))) || (((0 <= res) && (res <= 9)) && (x <= 4194303))) || (((x <= 16383) && (0 <= res)) && (res <= 17))) || (((0 <= res) && (x <= 7)) && (res <= 2147483629))) || (((x <= 511) && (0 <= res)) && (res <= 22))) || (((x <= 131071) && (0 <= res)) && (res <= 14))) || (((0 <= res) && (x <= 32767)) && (res <= 16))) || (((res <= 2147483628) && (0 <= res)) && (x <= 15))) || (((0 <= res) && (x <= 127)) && (res <= 2147483625))) || (((0 <= res) && (x <= 1023)) && (res <= 21))) || ((res == 0) && (x <= 2147483647))) || (((0 <= res) && (res <= 8)) && (x <= 8388607))) || (((0 <= res) && (x <= 2047)) && (res <= 20))) || (((x <= 4095) && (0 <= res)) && (res <= 19))) || (((0 <= res) && (x <= 31)) && (res <= 2147483627))) || (((0 <= res) && (x <= 255)) && (res <= 2147483624))) || (((0 <= res) && (res <= 2147483631)) && (x <= 1))) || (((0 <= res) && (x <= 268435455)) && (res <= 3))) || (((res <= 12) && (0 <= res)) && (x <= 524287))) || (((x <= 1048575) && (res <= 11)) && (0 <= res))) || (((0 <= res) && (x <= 16777215)) && (res <= 7))) || (((res <= 18) && (0 <= res)) && (x <= 8191))) || (((0 <= res) && (res <= 5)) && (x <= 67108863))) || (((0 <= res) && (res <= 4)) && (x <= 134217727))) || (((0 <= res) && (x <= 3)) && (res <= 2147483630))) || (((0 <= res) && (x <= 536870911)) && (res <= 2))) || (((0 <= res) && (res <= 6)) && (x <= 33554431))) || (((0 <= res) && (res <= 1)) && (x <= 1073741823))) || (((0 <= res) && (res <= 2147483626)) && (x <= 63))) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:19:21,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6361baf9-6857-4b89-beee-aecbf2afb784/bin/uautomizer-verify-bycVGegfSx/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 Result: TRUE