./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Log.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_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Log.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme --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 08d23a4fccc00925380f274033d6bce2f9ea0cd5a54ce734e93b963eb060b109 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:34,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:34,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:54:34,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:34,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:34,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:34,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:34,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:34,864 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:54:34,870 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:54:34,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:54:34,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:54:34,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:34,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:34,873 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:34,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:34,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:54:34,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:54:34,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:34,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:54:34,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:54:34,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:54:34,878 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:54:34,878 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:54:34,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:34,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:34,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:34,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:34,880 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:54:34,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:54:34,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:34,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:34,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:54:34,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:54:34,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:54:34,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:54:34,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:54:34,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:54:34,884 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:54:34,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:54:34,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:54:34,885 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_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08d23a4fccc00925380f274033d6bce2f9ea0cd5a54ce734e93b963eb060b109 [2023-11-26 11:54:35,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:54:35,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:54:35,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:54:35,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:54:35,281 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:54:35,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-restricted-15/Log.c [2023-11-26 11:54:38,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:54:38,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:54:38,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/sv-benchmarks/c/termination-restricted-15/Log.c [2023-11-26 11:54:38,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/data/6d5253332/88d3cce3ae8c435db5627b89baf60924/FLAG15cc54c80 [2023-11-26 11:54:38,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/data/6d5253332/88d3cce3ae8c435db5627b89baf60924 [2023-11-26 11:54:38,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:54:38,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:54:38,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:38,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:54:38,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:54:38,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c33eab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38, skipping insertion in model container [2023-11-26 11:54:38,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,726 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:54:38,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:38,892 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:54:38,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:38,921 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:54:38,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38 WrapperNode [2023-11-26 11:54:38,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:38,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:38,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:54:38,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:54:38,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,956 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-11-26 11:54:38,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:38,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:38,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:38,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:38,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,974 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-26 11:54:38,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:38,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:38,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:38,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:38,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (1/1) ... [2023-11-26 11:54:38,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:39,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:39,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:39,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:39,211 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:39,214 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:39,309 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:39,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:39,331 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:54:39,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:39 BoogieIcfgContainer [2023-11-26 11:54:39,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:39,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:54:39,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:54:39,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:54:39,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:54:38" (1/3) ... [2023-11-26 11:54:39,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a43d268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:39, skipping insertion in model container [2023-11-26 11:54:39,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:38" (2/3) ... [2023-11-26 11:54:39,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a43d268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:39, skipping insertion in model container [2023-11-26 11:54:39,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:39" (3/3) ... [2023-11-26 11:54:39,342 INFO L112 eAbstractionObserver]: Analyzing ICFG Log.c [2023-11-26 11:54:39,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:54:39,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-26 11:54:39,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:54:39,425 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;@5f85b699, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:54:39,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-26 11:54:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:39,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-26 11:54:39,437 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:39,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-26 11:54:39,439 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:39,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:39,445 INFO L85 PathProgramCache]: Analyzing trace with hash 2275328, now seen corresponding path program 1 times [2023-11-26 11:54:39,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:39,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902257671] [2023-11-26 11:54:39,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:39,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:39,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:39,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902257671] [2023-11-26 11:54:39,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902257671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:39,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:39,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:39,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447156887] [2023-11-26 11:54:39,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:39,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:39,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:39,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:39,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:39,677 INFO L87 Difference]: Start difference. First operand has 18 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 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 2.0) 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) [2023-11-26 11:54:39,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:39,743 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2023-11-26 11:54:39,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:39,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) 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 [2023-11-26 11:54:39,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:39,754 INFO L225 Difference]: With dead ends: 35 [2023-11-26 11:54:39,755 INFO L226 Difference]: Without dead ends: 16 [2023-11-26 11:54:39,758 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 [2023-11-26 11:54:39,785 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:39,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-26 11:54:39,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-26 11:54:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2023-11-26 11:54:39,823 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 4 [2023-11-26 11:54:39,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:39,823 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2023-11-26 11:54:39,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) 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) [2023-11-26 11:54:39,824 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-26 11:54:39,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-26 11:54:39,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:39,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-26 11:54:39,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:54:39,826 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:39,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:39,827 INFO L85 PathProgramCache]: Analyzing trace with hash 70535222, now seen corresponding path program 1 times [2023-11-26 11:54:39,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:39,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866495037] [2023-11-26 11:54:39,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:39,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:39,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:39,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866495037] [2023-11-26 11:54:39,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866495037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:39,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:39,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:39,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826930138] [2023-11-26 11:54:39,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:39,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:54:39,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:39,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:39,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:39,887 INFO L87 Difference]: Start difference. First operand 16 states and 17 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) [2023-11-26 11:54:39,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:39,926 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2023-11-26 11:54:39,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:54:39,927 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 [2023-11-26 11:54:39,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:39,928 INFO L225 Difference]: With dead ends: 17 [2023-11-26 11:54:39,928 INFO L226 Difference]: Without dead ends: 16 [2023-11-26 11:54:39,929 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 [2023-11-26 11:54:39,931 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:39,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:39,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-26 11:54:39,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-26 11:54:39,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2023-11-26 11:54:39,938 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 5 [2023-11-26 11:54:39,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:39,939 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2023-11-26 11:54:39,939 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) [2023-11-26 11:54:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-26 11:54:39,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-26 11:54:39,940 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:39,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:54:39,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:54:39,941 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:39,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:39,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2108375358, now seen corresponding path program 1 times [2023-11-26 11:54:39,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:39,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80573627] [2023-11-26 11:54:39,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:39,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:40,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:40,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80573627] [2023-11-26 11:54:40,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80573627] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:40,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:40,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:40,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681490562] [2023-11-26 11:54:40,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:40,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:40,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:40,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:40,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:40,009 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:40,044 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2023-11-26 11:54:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:40,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-26 11:54:40,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:40,048 INFO L225 Difference]: With dead ends: 16 [2023-11-26 11:54:40,048 INFO L226 Difference]: Without dead ends: 15 [2023-11-26 11:54:40,049 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 [2023-11-26 11:54:40,053 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:40,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:40,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-26 11:54:40,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-26 11:54:40,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2023-11-26 11:54:40,060 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 6 [2023-11-26 11:54:40,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:40,060 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2023-11-26 11:54:40,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-26 11:54:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 11:54:40,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:40,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:40,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:54:40,062 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:40,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:40,063 INFO L85 PathProgramCache]: Analyzing trace with hash -935126600, now seen corresponding path program 1 times [2023-11-26 11:54:40,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:40,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161175788] [2023-11-26 11:54:40,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:40,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:40,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:40,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:40,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161175788] [2023-11-26 11:54:40,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161175788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:40,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:40,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:40,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185675066] [2023-11-26 11:54:40,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:40,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:40,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:40,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:40,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:40,174 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2023-11-26 11:54:40,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:40,202 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2023-11-26 11:54:40,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:40,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) Word has length 7 [2023-11-26 11:54:40,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:40,207 INFO L225 Difference]: With dead ends: 19 [2023-11-26 11:54:40,207 INFO L226 Difference]: Without dead ends: 18 [2023-11-26 11:54:40,208 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 [2023-11-26 11:54:40,209 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:40,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:40,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-11-26 11:54:40,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-26 11:54:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2023-11-26 11:54:40,217 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 7 [2023-11-26 11:54:40,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:40,218 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2023-11-26 11:54:40,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2023-11-26 11:54:40,218 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-26 11:54:40,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-26 11:54:40,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:40,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:40,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:54:40,220 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:40,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:40,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1198610630, now seen corresponding path program 1 times [2023-11-26 11:54:40,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:40,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553677504] [2023-11-26 11:54:40,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:40,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:54:40,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:40,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553677504] [2023-11-26 11:54:40,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553677504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:40,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:40,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:54:40,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694983851] [2023-11-26 11:54:40,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:40,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:40,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:40,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:40,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:40,272 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:40,284 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2023-11-26 11:54:40,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:40,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2023-11-26 11:54:40,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:40,286 INFO L225 Difference]: With dead ends: 18 [2023-11-26 11:54:40,286 INFO L226 Difference]: Without dead ends: 17 [2023-11-26 11:54:40,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:40,288 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:40,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:40,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-11-26 11:54:40,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-26 11:54:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2023-11-26 11:54:40,296 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 10 [2023-11-26 11:54:40,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:40,296 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2023-11-26 11:54:40,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,297 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-26 11:54:40,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-26 11:54:40,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:40,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:40,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:54:40,299 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:40,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:40,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1497776200, now seen corresponding path program 1 times [2023-11-26 11:54:40,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:40,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288508585] [2023-11-26 11:54:40,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:40,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:54:40,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:40,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288508585] [2023-11-26 11:54:40,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288508585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:40,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:40,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:54:40,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683058354] [2023-11-26 11:54:40,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:40,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:40,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:40,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:40,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:40,347 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:40,363 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2023-11-26 11:54:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:40,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-26 11:54:40,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:40,365 INFO L225 Difference]: With dead ends: 33 [2023-11-26 11:54:40,366 INFO L226 Difference]: Without dead ends: 32 [2023-11-26 11:54:40,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:40,367 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:40,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:40,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-26 11:54:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2023-11-26 11:54:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2023-11-26 11:54:40,378 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 11 [2023-11-26 11:54:40,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:40,379 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2023-11-26 11:54:40,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-11-26 11:54:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-26 11:54:40,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:40,381 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2023-11-26 11:54:40,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:54:40,381 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:40,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:40,382 INFO L85 PathProgramCache]: Analyzing trace with hash -812038786, now seen corresponding path program 1 times [2023-11-26 11:54:40,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:40,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800732500] [2023-11-26 11:54:40,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:40,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:40,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:40,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800732500] [2023-11-26 11:54:40,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800732500] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:54:40,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523682651] [2023-11-26 11:54:40,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:40,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:54:40,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:40,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:54:40,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:54:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:40,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:54:40,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:40,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:54:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:40,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523682651] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:54:40,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:54:40,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-11-26 11:54:40,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089381628] [2023-11-26 11:54:40,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:54:40,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:40,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:40,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:40,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:40,659 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:40,723 INFO L93 Difference]: Finished difference Result 86 states and 100 transitions. [2023-11-26 11:54:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:40,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 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 12 [2023-11-26 11:54:40,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:40,734 INFO L225 Difference]: With dead ends: 86 [2023-11-26 11:54:40,734 INFO L226 Difference]: Without dead ends: 85 [2023-11-26 11:54:40,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:40,736 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 25 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:40,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 43 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:40,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-26 11:54:40,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 61. [2023-11-26 11:54:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 60 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2023-11-26 11:54:40,756 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 12 [2023-11-26 11:54:40,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:40,758 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2023-11-26 11:54:40,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2023-11-26 11:54:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-26 11:54:40,759 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:40,760 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2023-11-26 11:54:40,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:40,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 11:54:40,963 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:40,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:40,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1056020475, now seen corresponding path program 1 times [2023-11-26 11:54:40,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:40,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726989435] [2023-11-26 11:54:40,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:40,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 11:54:41,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:41,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726989435] [2023-11-26 11:54:41,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726989435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:41,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:41,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:41,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853917957] [2023-11-26 11:54:41,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:41,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:54:41,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:41,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:41,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:41,071 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:41,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:41,093 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions. [2023-11-26 11:54:41,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:54:41,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2023-11-26 11:54:41,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:41,094 INFO L225 Difference]: With dead ends: 63 [2023-11-26 11:54:41,094 INFO L226 Difference]: Without dead ends: 28 [2023-11-26 11:54:41,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:54:41,096 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 20 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 [2023-11-26 11:54:41,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 20 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:41,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-26 11:54:41,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-26 11:54:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:41,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2023-11-26 11:54:41,102 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 21 [2023-11-26 11:54:41,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:41,103 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2023-11-26 11:54:41,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:41,103 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2023-11-26 11:54:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-26 11:54:41,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:41,104 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1] [2023-11-26 11:54:41,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:54:41,105 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:41,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:41,106 INFO L85 PathProgramCache]: Analyzing trace with hash 537149752, now seen corresponding path program 2 times [2023-11-26 11:54:41,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:41,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619898338] [2023-11-26 11:54:41,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:41,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:41,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:41,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619898338] [2023-11-26 11:54:41,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619898338] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:54:41,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961478631] [2023-11-26 11:54:41,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:54:41,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:54:41,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:41,207 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:54:41,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:54:41,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:54:41,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:54:41,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:54:41,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:41,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:54:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:41,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961478631] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:54:41,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:54:41,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-11-26 11:54:41,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124764635] [2023-11-26 11:54:41,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:54:41,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 11:54:41,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:41,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 11:54:41,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:54:41,462 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:41,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:41,506 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2023-11-26 11:54:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:54:41,507 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-11-26 11:54:41,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:41,508 INFO L225 Difference]: With dead ends: 59 [2023-11-26 11:54:41,508 INFO L226 Difference]: Without dead ends: 58 [2023-11-26 11:54:41,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:54:41,510 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:41,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:41,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-26 11:54:41,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-26 11:54:41,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:41,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2023-11-26 11:54:41,520 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 27 [2023-11-26 11:54:41,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:41,520 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2023-11-26 11:54:41,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:41,521 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2023-11-26 11:54:41,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 11:54:41,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:41,523 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1, 1] [2023-11-26 11:54:41,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:41,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:54:41,733 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:41,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:41,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1061311608, now seen corresponding path program 3 times [2023-11-26 11:54:41,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:41,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242644473] [2023-11-26 11:54:41,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:41,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:42,123 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:42,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:42,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242644473] [2023-11-26 11:54:42,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242644473] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:54:42,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515449313] [2023-11-26 11:54:42,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 11:54:42,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:54:42,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:42,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:54:42,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:54:42,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-26 11:54:42,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:54:42,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 11:54:42,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:42,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:54:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:42,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515449313] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:54:42,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:54:42,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-11-26 11:54:42,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547492244] [2023-11-26 11:54:42,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:54:42,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-26 11:54:42,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:42,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-26 11:54:42,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-11-26 11:54:42,677 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand has 24 states, 23 states have (on average 4.913043478260869) internal successors, (113), 24 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:42,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:42,799 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2023-11-26 11:54:42,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-26 11:54:42,802 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.913043478260869) internal successors, (113), 24 states have internal predecessors, (113), 0 states have call successors, (0), 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 57 [2023-11-26 11:54:42,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:42,807 INFO L225 Difference]: With dead ends: 119 [2023-11-26 11:54:42,807 INFO L226 Difference]: Without dead ends: 118 [2023-11-26 11:54:42,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-11-26 11:54:42,809 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:42,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:54:42,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-26 11:54:42,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2023-11-26 11:54:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.0085470085470085) internal successors, (118), 117 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2023-11-26 11:54:42,834 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 57 [2023-11-26 11:54:42,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:42,835 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2023-11-26 11:54:42,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.913043478260869) internal successors, (113), 24 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2023-11-26 11:54:42,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 11:54:42,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:42,839 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 1, 1, 1] [2023-11-26 11:54:42,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:43,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 11:54:43,045 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:43,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash -174134536, now seen corresponding path program 4 times [2023-11-26 11:54:43,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:43,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845711399] [2023-11-26 11:54:43,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:43,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:43,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:43,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845711399] [2023-11-26 11:54:43,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845711399] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:54:43,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228969061] [2023-11-26 11:54:43,829 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-26 11:54:43,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:54:43,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:43,830 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:54:43,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 11:54:43,948 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-26 11:54:43,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:54:43,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-26 11:54:43,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:44,176 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:54:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:45,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228969061] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:54:45,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:54:45,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-11-26 11:54:45,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787037545] [2023-11-26 11:54:45,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:54:45,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-26 11:54:45,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:45,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-26 11:54:45,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-11-26 11:54:45,323 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand has 48 states, 47 states have (on average 4.957446808510638) internal successors, (233), 48 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:45,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:45,539 INFO L93 Difference]: Finished difference Result 239 states and 262 transitions. [2023-11-26 11:54:45,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-26 11:54:45,539 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.957446808510638) internal successors, (233), 48 states have internal predecessors, (233), 0 states have call successors, (0), 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 117 [2023-11-26 11:54:45,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:45,542 INFO L225 Difference]: With dead ends: 239 [2023-11-26 11:54:45,542 INFO L226 Difference]: Without dead ends: 238 [2023-11-26 11:54:45,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-11-26 11:54:45,544 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:45,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:54:45,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-26 11:54:45,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2023-11-26 11:54:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.0042194092827004) internal successors, (238), 237 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:45,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 238 transitions. [2023-11-26 11:54:45,566 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 238 transitions. Word has length 117 [2023-11-26 11:54:45,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:45,567 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 238 transitions. [2023-11-26 11:54:45,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.957446808510638) internal successors, (233), 48 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 238 transitions. [2023-11-26 11:54:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-26 11:54:45,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:45,572 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 1, 1, 1] [2023-11-26 11:54:45,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:45,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-26 11:54:45,779 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:45,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:45,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1769351176, now seen corresponding path program 5 times [2023-11-26 11:54:45,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:45,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003423325] [2023-11-26 11:54:45,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:45,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:48,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:48,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003423325] [2023-11-26 11:54:48,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003423325] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:54:48,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404111097] [2023-11-26 11:54:48,761 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-26 11:54:48,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:54:48,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:48,765 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:54:48,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 11:54:48,944 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-11-26 11:54:48,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:54:48,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-26 11:54:48,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:49,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:54:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:53,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404111097] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:54:53,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:54:53,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-11-26 11:54:53,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731029081] [2023-11-26 11:54:53,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:54:53,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-11-26 11:54:53,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:53,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-11-26 11:54:53,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-11-26 11:54:53,113 INFO L87 Difference]: Start difference. First operand 238 states and 238 transitions. Second operand has 96 states, 95 states have (on average 4.978947368421053) internal successors, (473), 96 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:53,635 INFO L93 Difference]: Finished difference Result 479 states and 526 transitions. [2023-11-26 11:54:53,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-11-26 11:54:53,636 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.978947368421053) internal successors, (473), 96 states have internal predecessors, (473), 0 states have call successors, (0), 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 237 [2023-11-26 11:54:53,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:53,640 INFO L225 Difference]: With dead ends: 479 [2023-11-26 11:54:53,640 INFO L226 Difference]: Without dead ends: 478 [2023-11-26 11:54:53,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-11-26 11:54:53,645 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:53,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 287 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 11:54:53,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2023-11-26 11:54:53,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2023-11-26 11:54:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 477 states have (on average 1.0020964360587001) internal successors, (478), 477 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 478 transitions. [2023-11-26 11:54:53,676 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 478 transitions. Word has length 237 [2023-11-26 11:54:53,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:53,677 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 478 transitions. [2023-11-26 11:54:53,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.978947368421053) internal successors, (473), 96 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 478 transitions. [2023-11-26 11:54:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2023-11-26 11:54:53,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:53,689 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 1, 1, 1] [2023-11-26 11:54:53,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:53,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-26 11:54:53,896 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:54:53,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:53,896 INFO L85 PathProgramCache]: Analyzing trace with hash -156847624, now seen corresponding path program 6 times [2023-11-26 11:54:53,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:53,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519556587] [2023-11-26 11:54:53,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:53,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:02,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:02,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519556587] [2023-11-26 11:55:02,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519556587] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:55:02,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006204975] [2023-11-26 11:55:02,884 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-26 11:55:02,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:55:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:02,885 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:55:02,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 11:55:03,213 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-11-26 11:55:03,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:55:03,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 96 conjunts are in the unsatisfiable core [2023-11-26 11:55:03,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:55:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:03,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:55:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:16,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006204975] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:55:16,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:55:16,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2023-11-26 11:55:16,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18650069] [2023-11-26 11:55:16,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:55:16,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-11-26 11:55:16,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:16,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-11-26 11:55:16,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-11-26 11:55:16,219 INFO L87 Difference]: Start difference. First operand 478 states and 478 transitions. Second operand has 192 states, 191 states have (on average 4.989528795811518) internal successors, (953), 192 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:17,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:55:17,891 INFO L93 Difference]: Finished difference Result 959 states and 1054 transitions. [2023-11-26 11:55:17,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-11-26 11:55:17,892 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.989528795811518) internal successors, (953), 192 states have internal predecessors, (953), 0 states have call successors, (0), 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 477 [2023-11-26 11:55:17,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:55:17,897 INFO L225 Difference]: With dead ends: 959 [2023-11-26 11:55:17,897 INFO L226 Difference]: Without dead ends: 958 [2023-11-26 11:55:17,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1048 GetRequests, 858 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-11-26 11:55:17,903 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:55:17,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 11:55:17,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2023-11-26 11:55:17,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2023-11-26 11:55:17,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 957 states have (on average 1.0010449320794148) internal successors, (958), 957 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 958 transitions. [2023-11-26 11:55:17,945 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 958 transitions. Word has length 477 [2023-11-26 11:55:17,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:55:17,946 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 958 transitions. [2023-11-26 11:55:17,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.989528795811518) internal successors, (953), 192 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:17,947 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 958 transitions. [2023-11-26 11:55:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2023-11-26 11:55:17,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:55:17,987 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 190, 1, 1, 1] [2023-11-26 11:55:18,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:18,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4f9750-94c1-41b3-9426-293b67d76465/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-26 11:55:18,194 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 11:55:18,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:18,195 INFO L85 PathProgramCache]: Analyzing trace with hash 469526008, now seen corresponding path program 7 times [2023-11-26 11:55:18,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:18,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327940591] [2023-11-26 11:55:18,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:18,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat