./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 0e0057cc 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_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-29 00:37:28,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:37:28,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 00:37:28,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:37:28,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:37:28,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:37:28,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:37:28,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:37:28,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:37:28,867 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:37:28,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:37:28,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:37:28,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:37:28,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:37:28,870 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:37:28,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:37:28,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:37:28,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:37:28,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:37:28,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:37:28,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:37:28,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:37:28,876 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 00:37:28,876 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:37:28,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:37:28,877 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:37:28,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:37:28,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:37:28,878 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:37:28,878 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:37:28,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:37:28,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:37:28,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:37:28,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:37:28,880 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:37:28,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:37:28,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:37:28,881 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:37:28,881 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:37:28,881 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:37:28,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:37:28,882 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_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d6de59cf2b416f7340c8c861064933450d6034e9a050a1b7fe5107e8fa4152f [2023-11-29 00:37:29,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:37:29,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:37:29,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:37:29,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:37:29,142 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:37:29,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2023-11-29 00:37:31,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:37:32,018 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:37:32,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2023-11-29 00:37:32,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/data/82feca585/1f941f9bdc8d4928afa5d38521559f7f/FLAG41f93dc75 [2023-11-29 00:37:32,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/data/82feca585/1f941f9bdc8d4928afa5d38521559f7f [2023-11-29 00:37:32,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:37:32,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:37:32,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:37:32,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:37:32,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:37:32,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a0459b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32, skipping insertion in model container [2023-11-29 00:37:32,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,451 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:37:32,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:37:32,557 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:37:32,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:37:32,579 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:37:32,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32 WrapperNode [2023-11-29 00:37:32,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:37:32,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:37:32,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:37:32,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:37:32,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,607 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2023-11-29 00:37:32,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:37:32,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:37:32,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:37:32,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:37:32,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,619 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,623 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 00:37:32,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:37:32,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:37:32,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:37:32,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:37:32,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (1/1) ... [2023-11-29 00:37:32,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:37:32,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:32,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:37:32,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:37:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:37:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:37:32,733 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:37:32,735 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:37:32,819 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:37:32,844 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:37:32,844 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:37:32,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:37:32 BoogieIcfgContainer [2023-11-29 00:37:32,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:37:32,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:37:32,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:37:32,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:37:32,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:37:32" (1/3) ... [2023-11-29 00:37:32,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b6216d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:37:32, skipping insertion in model container [2023-11-29 00:37:32,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:32" (2/3) ... [2023-11-29 00:37:32,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b6216d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:37:32, skipping insertion in model container [2023-11-29 00:37:32,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:37:32" (3/3) ... [2023-11-29 00:37:32,853 INFO L112 eAbstractionObserver]: Analyzing ICFG java_LogBuiltIn.c [2023-11-29 00:37:32,867 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:37:32,868 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-29 00:37:32,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:37:32,908 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;@61a88578, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:37:32,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-29 00:37:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 00:37:32,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:32,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 00:37:32,917 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)] === [2023-11-29 00:37:32,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:32,921 INFO L85 PathProgramCache]: Analyzing trace with hash 59935, now seen corresponding path program 1 times [2023-11-29 00:37:32,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:32,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853969240] [2023-11-29 00:37:32,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:32,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:33,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:33,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853969240] [2023-11-29 00:37:33,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853969240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:33,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:33,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:37:33,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503345310] [2023-11-29 00:37:33,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:33,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:37:33,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:33,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:37:33,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:37:33,139 INFO L87 Difference]: Start difference. First operand has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 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) [2023-11-29 00:37:33,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:33,170 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 00:37:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:37:33,173 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 [2023-11-29 00:37:33,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:33,180 INFO L225 Difference]: With dead ends: 14 [2023-11-29 00:37:33,180 INFO L226 Difference]: Without dead ends: 9 [2023-11-29 00:37:33,183 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 [2023-11-29 00:37:33,187 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:33,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:37:33,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-29 00:37:33,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-29 00:37:33,218 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) [2023-11-29 00:37:33,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-29 00:37:33,219 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3 [2023-11-29 00:37:33,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:33,220 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-29 00:37:33,220 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) [2023-11-29 00:37:33,220 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-29 00:37:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 00:37:33,221 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:33,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 00:37:33,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:37:33,222 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)] === [2023-11-29 00:37:33,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:33,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1858030, now seen corresponding path program 1 times [2023-11-29 00:37:33,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:33,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491323561] [2023-11-29 00:37:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:33,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:33,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:33,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491323561] [2023-11-29 00:37:33,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491323561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:33,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:33,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:37:33,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832066134] [2023-11-29 00:37:33,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:33,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:37:33,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:33,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:37:33,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:37:33,382 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) [2023-11-29 00:37:33,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:33,397 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2023-11-29 00:37:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:37:33,397 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 [2023-11-29 00:37:33,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:33,398 INFO L225 Difference]: With dead ends: 9 [2023-11-29 00:37:33,398 INFO L226 Difference]: Without dead ends: 8 [2023-11-29 00:37:33,399 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 [2023-11-29 00:37:33,400 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 [2023-11-29 00:37:33,401 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] [2023-11-29 00:37:33,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-29 00:37:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-29 00:37:33,414 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) [2023-11-29 00:37:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-29 00:37:33,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-29 00:37:33,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:33,415 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-29 00:37:33,415 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) [2023-11-29 00:37:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-29 00:37:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-29 00:37:33,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:33,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 00:37:33,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:37:33,416 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)] === [2023-11-29 00:37:33,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:33,417 INFO L85 PathProgramCache]: Analyzing trace with hash 57598977, now seen corresponding path program 1 times [2023-11-29 00:37:33,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:33,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871220816] [2023-11-29 00:37:33,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:33,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:33,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:33,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871220816] [2023-11-29 00:37:33,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871220816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:33,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:33,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:37:33,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253081186] [2023-11-29 00:37:33,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:33,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:37:33,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:33,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:37:33,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:37:33,471 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) [2023-11-29 00:37:33,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:33,491 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2023-11-29 00:37:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:37:33,491 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 [2023-11-29 00:37:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:33,492 INFO L225 Difference]: With dead ends: 8 [2023-11-29 00:37:33,492 INFO L226 Difference]: Without dead ends: 7 [2023-11-29 00:37:33,493 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 [2023-11-29 00:37:33,494 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 [2023-11-29 00:37:33,495 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] [2023-11-29 00:37:33,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2023-11-29 00:37:33,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-29 00:37:33,498 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) [2023-11-29 00:37:33,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-29 00:37:33,498 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2023-11-29 00:37:33,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:33,499 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2023-11-29 00:37:33,499 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) [2023-11-29 00:37:33,499 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-29 00:37:33,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 00:37:33,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:33,500 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 00:37:33,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:37:33,501 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)] === [2023-11-29 00:37:33,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:33,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1785568336, now seen corresponding path program 1 times [2023-11-29 00:37:33,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:33,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355629496] [2023-11-29 00:37:33,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:33,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:33,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:33,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355629496] [2023-11-29 00:37:33,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355629496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:33,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:33,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:37:33,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62714073] [2023-11-29 00:37:33,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:33,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:37:33,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:33,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:37:33,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:37:33,549 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) [2023-11-29 00:37:33,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:33,574 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2023-11-29 00:37:33,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:37:33,575 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 [2023-11-29 00:37:33,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:33,575 INFO L225 Difference]: With dead ends: 13 [2023-11-29 00:37:33,575 INFO L226 Difference]: Without dead ends: 12 [2023-11-29 00:37:33,576 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 [2023-11-29 00:37:33,577 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 [2023-11-29 00:37:33,578 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] [2023-11-29 00:37:33,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-29 00:37:33,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-29 00:37:33,582 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) [2023-11-29 00:37:33,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-29 00:37:33,583 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6 [2023-11-29 00:37:33,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:33,583 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-29 00:37:33,583 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) [2023-11-29 00:37:33,583 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-29 00:37:33,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 00:37:33,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:33,584 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1] [2023-11-29 00:37:33,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:37:33,585 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)] === [2023-11-29 00:37:33,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:33,586 INFO L85 PathProgramCache]: Analyzing trace with hash -796027875, now seen corresponding path program 1 times [2023-11-29 00:37:33,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:33,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9259997] [2023-11-29 00:37:33,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:33,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:33,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:33,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:33,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9259997] [2023-11-29 00:37:33,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9259997] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:33,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608608142] [2023-11-29 00:37:33,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:33,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:33,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:33,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:33,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:37:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:33,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:37:33,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:33,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:33,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608608142] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:33,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:33,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2023-11-29 00:37:33,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105595177] [2023-11-29 00:37:33,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:33,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:37:33,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:33,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:37:33,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:37:33,836 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) [2023-11-29 00:37:33,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:33,908 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2023-11-29 00:37:33,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:37:33,909 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 [2023-11-29 00:37:33,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:33,910 INFO L225 Difference]: With dead ends: 28 [2023-11-29 00:37:33,910 INFO L226 Difference]: Without dead ends: 27 [2023-11-29 00:37:33,911 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 [2023-11-29 00:37:33,912 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:33,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 17 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:37:33,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-29 00:37:33,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-29 00:37:33,918 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) [2023-11-29 00:37:33,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-11-29 00:37:33,919 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 11 [2023-11-29 00:37:33,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:33,919 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2023-11-29 00:37:33,919 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) [2023-11-29 00:37:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-11-29 00:37:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 00:37:33,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:33,921 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1] [2023-11-29 00:37:33,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:37:34,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:34,122 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)] === [2023-11-29 00:37:34,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:34,123 INFO L85 PathProgramCache]: Analyzing trace with hash -964844400, now seen corresponding path program 2 times [2023-11-29 00:37:34,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:34,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792500930] [2023-11-29 00:37:34,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:34,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:34,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:34,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792500930] [2023-11-29 00:37:34,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792500930] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:34,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099083280] [2023-11-29 00:37:34,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:37:34,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:34,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:34,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:34,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:37:34,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:37:34,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:34,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 00:37:34,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:34,471 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:34,667 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:34,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099083280] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:34,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:34,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2023-11-29 00:37:34,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178663918] [2023-11-29 00:37:34,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:34,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 00:37:34,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:34,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 00:37:34,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-11-29 00:37:34,671 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) [2023-11-29 00:37:34,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:34,867 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2023-11-29 00:37:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 00:37:34,868 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 [2023-11-29 00:37:34,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:34,869 INFO L225 Difference]: With dead ends: 58 [2023-11-29 00:37:34,869 INFO L226 Difference]: Without dead ends: 57 [2023-11-29 00:37:34,870 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 [2023-11-29 00:37:34,871 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 44 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:34,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 35 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:37:34,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-29 00:37:34,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-29 00:37:34,879 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) [2023-11-29 00:37:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2023-11-29 00:37:34,880 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 26 [2023-11-29 00:37:34,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:34,880 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2023-11-29 00:37:34,881 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) [2023-11-29 00:37:34,881 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2023-11-29 00:37:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-29 00:37:34,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:34,883 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1] [2023-11-29 00:37:34,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:37:35,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:35,086 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)] === [2023-11-29 00:37:35,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:35,087 INFO L85 PathProgramCache]: Analyzing trace with hash -2013772560, now seen corresponding path program 3 times [2023-11-29 00:37:35,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:35,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286140675] [2023-11-29 00:37:35,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:35,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:35,715 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:35,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:35,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286140675] [2023-11-29 00:37:35,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286140675] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:35,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571221530] [2023-11-29 00:37:35,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 00:37:35,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:35,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:35,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:35,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:37:35,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-29 00:37:35,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:35,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 00:37:35,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:35,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:36,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571221530] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:36,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:36,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 44 [2023-11-29 00:37:36,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84068249] [2023-11-29 00:37:36,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:36,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-29 00:37:36,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:36,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-29 00:37:36,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2023-11-29 00:37:36,507 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) [2023-11-29 00:37:37,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:37,033 INFO L93 Difference]: Finished difference Result 118 states and 129 transitions. [2023-11-29 00:37:37,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-29 00:37:37,034 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 [2023-11-29 00:37:37,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:37,036 INFO L225 Difference]: With dead ends: 118 [2023-11-29 00:37:37,036 INFO L226 Difference]: Without dead ends: 117 [2023-11-29 00:37:37,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2023-11-29 00:37:37,039 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 108 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:37,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 57 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:37:37,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-29 00:37:37,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-11-29 00:37:37,051 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) [2023-11-29 00:37:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2023-11-29 00:37:37,053 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 56 [2023-11-29 00:37:37,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:37,054 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2023-11-29 00:37:37,055 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) [2023-11-29 00:37:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2023-11-29 00:37:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 00:37:37,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:37,057 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 1, 1] [2023-11-29 00:37:37,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:37:37,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:37,258 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)] === [2023-11-29 00:37:37,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:37,259 INFO L85 PathProgramCache]: Analyzing trace with hash 2068630960, now seen corresponding path program 4 times [2023-11-29 00:37:37,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:37,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652999602] [2023-11-29 00:37:37,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:37,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:39,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:39,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652999602] [2023-11-29 00:37:39,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652999602] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:39,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367079269] [2023-11-29 00:37:39,220 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 00:37:39,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:39,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:39,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:39,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:37:39,345 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 00:37:39,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:39,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 00:37:39,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:39,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:41,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367079269] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:41,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:41,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 92 [2023-11-29 00:37:41,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234559097] [2023-11-29 00:37:41,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:41,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-11-29 00:37:41,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:41,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-11-29 00:37:41,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2023-11-29 00:37:41,611 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) [2023-11-29 00:37:43,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:43,377 INFO L93 Difference]: Finished difference Result 238 states and 261 transitions. [2023-11-29 00:37:43,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-29 00:37:43,378 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 [2023-11-29 00:37:43,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:43,381 INFO L225 Difference]: With dead ends: 238 [2023-11-29 00:37:43,381 INFO L226 Difference]: Without dead ends: 237 [2023-11-29 00:37:43,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=5544, Invalid=13916, Unknown=0, NotChecked=0, Total=19460 [2023-11-29 00:37:43,389 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 364 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:43,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 109 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:37:43,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2023-11-29 00:37:43,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2023-11-29 00:37:43,409 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) [2023-11-29 00:37:43,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2023-11-29 00:37:43,411 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 116 [2023-11-29 00:37:43,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:43,412 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2023-11-29 00:37:43,413 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) [2023-11-29 00:37:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2023-11-29 00:37:43,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-29 00:37:43,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:43,418 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 1, 1] [2023-11-29 00:37:43,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 00:37:43,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:43,618 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)] === [2023-11-29 00:37:43,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:43,619 INFO L85 PathProgramCache]: Analyzing trace with hash 983236400, now seen corresponding path program 5 times [2023-11-29 00:37:43,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:43,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301169850] [2023-11-29 00:37:43,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:43,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 4741 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-11-29 00:37:53,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:53,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301169850] [2023-11-29 00:37:53,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301169850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:53,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:53,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2023-11-29 00:37:53,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395611540] [2023-11-29 00:37:53,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:53,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-11-29 00:37:53,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:53,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-11-29 00:37:53,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2023-11-29 00:37:53,743 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) [2023-11-29 00:37:54,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:54,187 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2023-11-29 00:37:54,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-11-29 00:37:54,188 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 [2023-11-29 00:37:54,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:54,189 INFO L225 Difference]: With dead ends: 237 [2023-11-29 00:37:54,189 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 00:37:54,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 30 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2023-11-29 00:37:54,192 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:54,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 482 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:37:54,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 00:37:54,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 00:37:54,194 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) [2023-11-29 00:37:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 00:37:54,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2023-11-29 00:37:54,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:54,194 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 00:37:54,195 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) [2023-11-29 00:37:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 00:37:54,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 00:37:54,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-29 00:37:54,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-29 00:37:54,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-29 00:37:54,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-29 00:37:54,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:37:54,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 00:37:54,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2023-11-29 00:37:54,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:37:54,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2023-11-29 00:37:54,544 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:37:54,545 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2023-11-29 00:37:54,545 INFO L899 garLoopResultBuilder]: For program point L9-1(line 9) no Hoare annotation was computed. [2023-11-29 00:37:54,546 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)))) [2023-11-29 00:37:54,546 INFO L899 garLoopResultBuilder]: For program point L7-3(lines 7 12) no Hoare annotation was computed. [2023-11-29 00:37:54,547 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2023-11-29 00:37:54,547 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2023-11-29 00:37:54,547 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2023-11-29 00:37:54,547 INFO L899 garLoopResultBuilder]: For program point L10-1(line 10) no Hoare annotation was computed. [2023-11-29 00:37:54,551 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1] [2023-11-29 00:37:54,554 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:37:54,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:37:54 BoogieIcfgContainer [2023-11-29 00:37:54,575 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:37:54,575 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:37:54,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:37:54,576 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:37:54,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:37:32" (3/4) ... [2023-11-29 00:37:54,579 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:37:54,587 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-29 00:37:54,588 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 00:37:54,588 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 00:37:54,696 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:37:54,697 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:37:54,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:37:54,698 INFO L158 Benchmark]: Toolchain (without parser) took 22266.52ms. Allocated memory was 136.3MB in the beginning and 524.3MB in the end (delta: 388.0MB). Free memory was 98.8MB in the beginning and 228.5MB in the end (delta: -129.6MB). Peak memory consumption was 259.2MB. Max. memory is 16.1GB. [2023-11-29 00:37:54,698 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:37:54,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.21ms. Allocated memory is still 136.3MB. Free memory was 98.8MB in the beginning and 89.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 00:37:54,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.76ms. Allocated memory is still 136.3MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:37:54,700 INFO L158 Benchmark]: Boogie Preprocessor took 22.48ms. Allocated memory is still 136.3MB. Free memory was 87.9MB in the beginning and 86.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:37:54,700 INFO L158 Benchmark]: RCFGBuilder took 213.94ms. Allocated memory is still 136.3MB. Free memory was 86.7MB in the beginning and 76.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 00:37:54,701 INFO L158 Benchmark]: TraceAbstraction took 21727.46ms. Allocated memory was 136.3MB in the beginning and 524.3MB in the end (delta: 388.0MB). Free memory was 75.8MB in the beginning and 232.7MB in the end (delta: -156.9MB). Peak memory consumption was 232.0MB. Max. memory is 16.1GB. [2023-11-29 00:37:54,701 INFO L158 Benchmark]: Witness Printer took 121.72ms. Allocated memory is still 524.3MB. Free memory was 232.7MB in the beginning and 228.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:37:54,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.21ms. Allocated memory is still 136.3MB. Free memory was 98.8MB in the beginning and 89.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.76ms. Allocated memory is still 136.3MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.48ms. Allocated memory is still 136.3MB. Free memory was 87.9MB in the beginning and 86.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 213.94ms. Allocated memory is still 136.3MB. Free memory was 86.7MB in the beginning and 76.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21727.46ms. Allocated memory was 136.3MB in the beginning and 524.3MB in the end (delta: 388.0MB). Free memory was 75.8MB in the beginning and 232.7MB in the end (delta: -156.9MB). Peak memory consumption was 232.0MB. Max. memory is 16.1GB. * Witness Printer took 121.72ms. Allocated memory is still 524.3MB. Free memory was 232.7MB in the beginning and 228.5MB 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 9, TraceHistogramMax: 47, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 545 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 545 mSDsluCounter, 731 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 644 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1033 IncrementalHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 87 mSDtfsCounter, 1033 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, 8.1s 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, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 16.2s 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! [2023-11-29 00:37:54,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90cd0a0-87d9-454c-9c89-20c9edabb8e1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE