./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-007.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-007.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79ad480fc17f59cc4e46ec2dbc023b5da3460c72b3c8ca1cc6dbc35a93f8cf64 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:24,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:24,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:33:24,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:24,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:24,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:24,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:24,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:24,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:33:24,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:33:24,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:24,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:24,847 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:24,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:24,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:33:24,850 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:33:24,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:33:24,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:33:24,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:24,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:33:24,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:33:24,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:33:24,853 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:33:24,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:33:24,854 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:33:24,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:24,855 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:24,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:24,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:24,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:33:24,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:24,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:24,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:33:24,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:33:24,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:33:24,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:33:24,859 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:33:24,859 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:33:24,860 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:33:24,860 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:33:24,860 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:33:24,861 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_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79ad480fc17f59cc4e46ec2dbc023b5da3460c72b3c8ca1cc6dbc35a93f8cf64 [2023-11-12 02:33:25,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:25,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:25,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:25,149 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:25,149 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:25,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/xcsp/AllInterval-007.c [2023-11-12 02:33:28,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:28,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:28,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/sv-benchmarks/c/xcsp/AllInterval-007.c [2023-11-12 02:33:28,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/data/0d182d0bb/e216c968dd4541dd905ffe7195cf4489/FLAG5d857f7f3 [2023-11-12 02:33:28,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/data/0d182d0bb/e216c968dd4541dd905ffe7195cf4489 [2023-11-12 02:33:28,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:28,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:28,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:28,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:28,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:28,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:28,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4653e391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28, skipping insertion in model container [2023-11-12 02:33:28,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:28,718 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:28,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:28,904 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:28,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:28,971 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:28,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28 WrapperNode [2023-11-12 02:33:28,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:28,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:28,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:28,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:28,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:28,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:29,021 INFO L138 Inliner]: procedures = 13, calls = 76, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 211 [2023-11-12 02:33:29,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:29,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:29,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:29,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:29,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:29,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:29,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:29,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:29,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:29,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:29,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:29,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:29,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:29,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:29,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:29,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:29,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:29,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:29,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:29,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:29,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:33:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:33:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-11-12 02:33:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-11-12 02:33:29,224 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:29,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:29,616 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:29,625 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:29,632 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:33:29,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:29 BoogieIcfgContainer [2023-11-12 02:33:29,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:29,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:33:29,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:33:29,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:33:29,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:33:28" (1/3) ... [2023-11-12 02:33:29,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556898aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:29, skipping insertion in model container [2023-11-12 02:33:29,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28" (2/3) ... [2023-11-12 02:33:29,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556898aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:29, skipping insertion in model container [2023-11-12 02:33:29,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:29" (3/3) ... [2023-11-12 02:33:29,655 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-007.c [2023-11-12 02:33:29,679 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:33:29,679 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2023-11-12 02:33:29,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:33:29,746 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;@3395005a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:33:29,746 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2023-11-12 02:33:29,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 83 states have internal predecessors, (90), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-12 02:33:29,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-11-12 02:33:29,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:29,775 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:29,775 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:29,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:29,781 INFO L85 PathProgramCache]: Analyzing trace with hash 722285369, now seen corresponding path program 1 times [2023-11-12 02:33:29,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:29,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574778584] [2023-11-12 02:33:29,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:29,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2023-11-12 02:33:30,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:30,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574778584] [2023-11-12 02:33:30,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574778584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:30,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:30,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:33:30,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916443594] [2023-11-12 02:33:30,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:30,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:33:30,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:30,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:33:30,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:30,706 INFO L87 Difference]: Start difference. First operand has 153 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 83 states have internal predecessors, (90), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2023-11-12 02:33:30,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:30,762 INFO L93 Difference]: Finished difference Result 299 states and 513 transitions. [2023-11-12 02:33:30,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:33:30,764 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) Word has length 327 [2023-11-12 02:33:30,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:30,775 INFO L225 Difference]: With dead ends: 299 [2023-11-12 02:33:30,776 INFO L226 Difference]: Without dead ends: 146 [2023-11-12 02:33:30,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:30,793 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:30,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:33:30,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-12 02:33:30,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2023-11-12 02:33:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 54 states have (on average 1.5185185185185186) internal successors, (82), 77 states have internal predecessors, (82), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 216 transitions. [2023-11-12 02:33:30,900 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 216 transitions. Word has length 327 [2023-11-12 02:33:30,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:30,902 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 216 transitions. [2023-11-12 02:33:30,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2023-11-12 02:33:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 216 transitions. [2023-11-12 02:33:30,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-11-12 02:33:30,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:30,922 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:30,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:33:30,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:30,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:30,925 INFO L85 PathProgramCache]: Analyzing trace with hash 248897657, now seen corresponding path program 1 times [2023-11-12 02:33:30,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:30,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84751406] [2023-11-12 02:33:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:30,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:31,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 354 refuted. 0 times theorem prover too weak. 7204 trivial. 0 not checked. [2023-11-12 02:33:32,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:32,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84751406] [2023-11-12 02:33:32,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84751406] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:32,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062888532] [2023-11-12 02:33:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:32,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:32,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:32,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:32,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:33:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:33:32,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-11-12 02:33:32,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:33,407 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-11-12 02:33:33,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062888532] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:33,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:33,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-12 02:33:33,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260193262] [2023-11-12 02:33:33,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:33,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:33:33,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:33,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:33:33,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:33:33,427 INFO L87 Difference]: Start difference. First operand 146 states and 216 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 5 states have call predecessors, (184), 6 states have call successors, (184) [2023-11-12 02:33:34,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:34,084 INFO L93 Difference]: Finished difference Result 146 states and 216 transitions. [2023-11-12 02:33:34,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:33:34,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 5 states have call predecessors, (184), 6 states have call successors, (184) Word has length 327 [2023-11-12 02:33:34,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:34,096 INFO L225 Difference]: With dead ends: 146 [2023-11-12 02:33:34,096 INFO L226 Difference]: Without dead ends: 145 [2023-11-12 02:33:34,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 783 GetRequests, 773 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:33:34,099 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 126 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:34,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 633 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:33:34,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-12 02:33:34,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2023-11-12 02:33:34,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 54 states have (on average 1.5) internal successors, (81), 76 states have internal predecessors, (81), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:34,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 215 transitions. [2023-11-12 02:33:34,183 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 215 transitions. Word has length 327 [2023-11-12 02:33:34,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:34,186 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 215 transitions. [2023-11-12 02:33:34,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 5 states have call predecessors, (184), 6 states have call successors, (184) [2023-11-12 02:33:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 215 transitions. [2023-11-12 02:33:34,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-11-12 02:33:34,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:34,194 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:34,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:34,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:34,401 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:34,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:34,402 INFO L85 PathProgramCache]: Analyzing trace with hash -874107113, now seen corresponding path program 1 times [2023-11-12 02:33:34,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:34,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532670438] [2023-11-12 02:33:34,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:34,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:34,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 177 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-11-12 02:33:35,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:35,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532670438] [2023-11-12 02:33:35,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532670438] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:35,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858062883] [2023-11-12 02:33:35,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:35,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:35,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:35,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:35,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:33:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:33:35,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:35,734 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 177 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-11-12 02:33:35,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 177 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-11-12 02:33:36,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858062883] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:36,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:36,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2023-11-12 02:33:36,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708010390] [2023-11-12 02:33:36,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:36,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:33:36,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:36,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:33:36,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:33:36,141 INFO L87 Difference]: Start difference. First operand 145 states and 215 transitions. Second operand has 10 states, 8 states have (on average 7.125) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2023-11-12 02:33:36,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:36,606 INFO L93 Difference]: Finished difference Result 145 states and 215 transitions. [2023-11-12 02:33:36,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:33:36,607 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.125) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) Word has length 328 [2023-11-12 02:33:36,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:36,610 INFO L225 Difference]: With dead ends: 145 [2023-11-12 02:33:36,610 INFO L226 Difference]: Without dead ends: 144 [2023-11-12 02:33:36,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 774 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:33:36,612 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 182 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:36,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 562 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:33:36,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-12 02:33:36,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2023-11-12 02:33:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 75 states have internal predecessors, (80), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 214 transitions. [2023-11-12 02:33:36,642 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 214 transitions. Word has length 328 [2023-11-12 02:33:36,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:36,644 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 214 transitions. [2023-11-12 02:33:36,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.125) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2023-11-12 02:33:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 214 transitions. [2023-11-12 02:33:36,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-11-12 02:33:36,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:36,651 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:36,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-12 02:33:36,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:36,859 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:36,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1796658169, now seen corresponding path program 1 times [2023-11-12 02:33:36,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:36,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575101800] [2023-11-12 02:33:36,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:36,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2023-11-12 02:33:37,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:37,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575101800] [2023-11-12 02:33:37,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575101800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:37,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:37,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:33:37,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516912990] [2023-11-12 02:33:37,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:37,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:33:37,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:37,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:33:37,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:33:37,177 INFO L87 Difference]: Start difference. First operand 144 states and 214 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2023-11-12 02:33:37,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:37,255 INFO L93 Difference]: Finished difference Result 149 states and 219 transitions. [2023-11-12 02:33:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:33:37,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 330 [2023-11-12 02:33:37,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:37,263 INFO L225 Difference]: With dead ends: 149 [2023-11-12 02:33:37,263 INFO L226 Difference]: Without dead ends: 143 [2023-11-12 02:33:37,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:33:37,266 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 17 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:37,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 363 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:33:37,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-12 02:33:37,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2023-11-12 02:33:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 69 states have internal predecessors, (74), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 208 transitions. [2023-11-12 02:33:37,315 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 208 transitions. Word has length 330 [2023-11-12 02:33:37,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:37,317 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 208 transitions. [2023-11-12 02:33:37,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2023-11-12 02:33:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 208 transitions. [2023-11-12 02:33:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-11-12 02:33:37,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:37,325 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:37,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:33:37,325 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:37,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:37,326 INFO L85 PathProgramCache]: Analyzing trace with hash -138171488, now seen corresponding path program 1 times [2023-11-12 02:33:37,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:37,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357859693] [2023-11-12 02:33:37,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:37,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:38,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:38,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:38,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:38,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-11-12 02:33:38,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:38,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357859693] [2023-11-12 02:33:38,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357859693] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:38,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302675598] [2023-11-12 02:33:38,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:38,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:38,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:38,039 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:38,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:33:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:38,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:33:38,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-11-12 02:33:38,594 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-11-12 02:33:39,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302675598] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:39,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:39,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-11-12 02:33:39,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947132522] [2023-11-12 02:33:39,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:39,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:33:39,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:39,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:33:39,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:33:39,035 INFO L87 Difference]: Start difference. First operand 138 states and 208 transitions. Second operand has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 5 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2023-11-12 02:33:39,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:39,544 INFO L93 Difference]: Finished difference Result 138 states and 208 transitions. [2023-11-12 02:33:39,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:33:39,546 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 5 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) Word has length 331 [2023-11-12 02:33:39,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:39,551 INFO L225 Difference]: With dead ends: 138 [2023-11-12 02:33:39,552 INFO L226 Difference]: Without dead ends: 137 [2023-11-12 02:33:39,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 791 GetRequests, 780 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:33:39,553 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 110 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:39,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 554 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:33:39,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-12 02:33:39,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-11-12 02:33:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 68 states have internal predecessors, (73), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:39,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 207 transitions. [2023-11-12 02:33:39,580 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 207 transitions. Word has length 331 [2023-11-12 02:33:39,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:39,582 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 207 transitions. [2023-11-12 02:33:39,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 5 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2023-11-12 02:33:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2023-11-12 02:33:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2023-11-12 02:33:39,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:39,589 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:39,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:39,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:39,804 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:39,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:39,805 INFO L85 PathProgramCache]: Analyzing trace with hash -763104893, now seen corresponding path program 1 times [2023-11-12 02:33:39,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:39,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424107166] [2023-11-12 02:33:39,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:39,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:33:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:40,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:40,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424107166] [2023-11-12 02:33:40,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424107166] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:40,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636465211] [2023-11-12 02:33:40,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:40,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:40,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:40,387 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:40,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:33:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:40,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:33:40,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:40,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:40,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:41,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636465211] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:41,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:41,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-12 02:33:41,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832417854] [2023-11-12 02:33:41,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:41,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:33:41,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:41,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:33:41,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:33:41,257 INFO L87 Difference]: Start difference. First operand 137 states and 207 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 6 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (183), 6 states have call predecessors, (183), 6 states have call successors, (183) [2023-11-12 02:33:41,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:41,755 INFO L93 Difference]: Finished difference Result 137 states and 207 transitions. [2023-11-12 02:33:41,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:33:41,756 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 6 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (183), 6 states have call predecessors, (183), 6 states have call successors, (183) Word has length 336 [2023-11-12 02:33:41,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:41,758 INFO L225 Difference]: With dead ends: 137 [2023-11-12 02:33:41,758 INFO L226 Difference]: Without dead ends: 136 [2023-11-12 02:33:41,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 801 GetRequests, 792 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:33:41,759 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 198 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:41,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 449 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:33:41,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-12 02:33:41,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2023-11-12 02:33:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 67 states have internal predecessors, (72), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:41,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 206 transitions. [2023-11-12 02:33:41,786 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 206 transitions. Word has length 336 [2023-11-12 02:33:41,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:41,790 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 206 transitions. [2023-11-12 02:33:41,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 6 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (183), 6 states have call predecessors, (183), 6 states have call successors, (183) [2023-11-12 02:33:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 206 transitions. [2023-11-12 02:33:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-11-12 02:33:41,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:41,794 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:41,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:42,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-12 02:33:42,001 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:42,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:42,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2113552221, now seen corresponding path program 1 times [2023-11-12 02:33:42,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:42,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198037562] [2023-11-12 02:33:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:42,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:33:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:42,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:42,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198037562] [2023-11-12 02:33:42,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198037562] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:42,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207195778] [2023-11-12 02:33:42,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:42,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:42,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:42,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:42,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:33:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:42,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:33:42,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:43,214 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:43,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207195778] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:43,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:43,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2023-11-12 02:33:43,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18902195] [2023-11-12 02:33:43,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:43,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-12 02:33:43,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:43,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-12 02:33:43,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-11-12 02:33:43,605 INFO L87 Difference]: Start difference. First operand 136 states and 206 transitions. Second operand has 16 states, 14 states have (on average 4.785714285714286) internal successors, (67), 16 states have internal predecessors, (67), 8 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (181), 7 states have call predecessors, (181), 8 states have call successors, (181) [2023-11-12 02:33:44,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:44,411 INFO L93 Difference]: Finished difference Result 193 states and 271 transitions. [2023-11-12 02:33:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 02:33:44,412 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.785714285714286) internal successors, (67), 16 states have internal predecessors, (67), 8 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (181), 7 states have call predecessors, (181), 8 states have call successors, (181) Word has length 337 [2023-11-12 02:33:44,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:44,415 INFO L225 Difference]: With dead ends: 193 [2023-11-12 02:33:44,415 INFO L226 Difference]: Without dead ends: 192 [2023-11-12 02:33:44,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 811 GetRequests, 790 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2023-11-12 02:33:44,417 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 364 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:44,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 710 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:33:44,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-11-12 02:33:44,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 140. [2023-11-12 02:33:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 70 states have internal predecessors, (75), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-12 02:33:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 211 transitions. [2023-11-12 02:33:44,452 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 211 transitions. Word has length 337 [2023-11-12 02:33:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:44,454 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 211 transitions. [2023-11-12 02:33:44,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.785714285714286) internal successors, (67), 16 states have internal predecessors, (67), 8 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (181), 7 states have call predecessors, (181), 8 states have call successors, (181) [2023-11-12 02:33:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 211 transitions. [2023-11-12 02:33:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2023-11-12 02:33:44,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:44,459 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:44,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:44,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-12 02:33:44,667 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:44,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash 598905537, now seen corresponding path program 1 times [2023-11-12 02:33:44,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:44,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253890670] [2023-11-12 02:33:44,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:44,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:44,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-11-12 02:33:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,274 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:45,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:45,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253890670] [2023-11-12 02:33:45,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253890670] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:45,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221629377] [2023-11-12 02:33:45,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:45,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:45,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:45,279 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:45,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:33:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:45,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:33:45,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:45,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:45,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:46,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221629377] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:46,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:46,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2023-11-12 02:33:46,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408221506] [2023-11-12 02:33:46,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:46,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:33:46,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:46,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:33:46,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:33:46,141 INFO L87 Difference]: Start difference. First operand 140 states and 211 transitions. Second operand has 10 states, 8 states have (on average 9.125) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (181), 5 states have call predecessors, (181), 6 states have call successors, (181) [2023-11-12 02:33:46,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:46,523 INFO L93 Difference]: Finished difference Result 140 states and 211 transitions. [2023-11-12 02:33:46,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:33:46,524 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.125) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (181), 5 states have call predecessors, (181), 6 states have call successors, (181) Word has length 339 [2023-11-12 02:33:46,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:46,526 INFO L225 Difference]: With dead ends: 140 [2023-11-12 02:33:46,526 INFO L226 Difference]: Without dead ends: 139 [2023-11-12 02:33:46,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 798 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:33:46,528 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 137 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:46,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 459 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:33:46,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-12 02:33:46,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2023-11-12 02:33:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 66 states have internal predecessors, (71), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 205 transitions. [2023-11-12 02:33:46,551 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 205 transitions. Word has length 339 [2023-11-12 02:33:46,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:46,552 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 205 transitions. [2023-11-12 02:33:46,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.125) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (181), 5 states have call predecessors, (181), 6 states have call successors, (181) [2023-11-12 02:33:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 205 transitions. [2023-11-12 02:33:46,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-11-12 02:33:46,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:46,555 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:46,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-12 02:33:46,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:46,762 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:46,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash 613788586, now seen corresponding path program 1 times [2023-11-12 02:33:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:46,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996632722] [2023-11-12 02:33:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:33:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 18 proven. 348 refuted. 0 times theorem prover too weak. 7446 trivial. 0 not checked. [2023-11-12 02:33:47,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:47,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996632722] [2023-11-12 02:33:47,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996632722] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:47,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138477414] [2023-11-12 02:33:47,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:47,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:47,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:47,431 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:47,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 02:33:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:47,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:33:47,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:47,949 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-11-12 02:33:48,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138477414] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:48,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:48,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-11-12 02:33:48,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133853364] [2023-11-12 02:33:48,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:48,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:33:48,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:48,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:33:48,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:33:48,297 INFO L87 Difference]: Start difference. First operand 135 states and 205 transitions. Second operand has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (181), 5 states have call predecessors, (181), 5 states have call successors, (181) [2023-11-12 02:33:48,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:48,888 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2023-11-12 02:33:48,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:33:48,889 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (181), 5 states have call predecessors, (181), 5 states have call successors, (181) Word has length 340 [2023-11-12 02:33:48,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:48,891 INFO L225 Difference]: With dead ends: 139 [2023-11-12 02:33:48,891 INFO L226 Difference]: Without dead ends: 138 [2023-11-12 02:33:48,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 800 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-12 02:33:48,893 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 153 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:48,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 536 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:33:48,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-12 02:33:48,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2023-11-12 02:33:48,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 65 states have internal predecessors, (70), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:48,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 204 transitions. [2023-11-12 02:33:48,916 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 204 transitions. Word has length 340 [2023-11-12 02:33:48,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:48,917 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 204 transitions. [2023-11-12 02:33:48,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (181), 5 states have call predecessors, (181), 5 states have call successors, (181) [2023-11-12 02:33:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 204 transitions. [2023-11-12 02:33:48,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2023-11-12 02:33:48,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:48,921 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:48,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:49,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:49,128 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:49,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:49,128 INFO L85 PathProgramCache]: Analyzing trace with hash -769749163, now seen corresponding path program 1 times [2023-11-12 02:33:49,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:49,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590042163] [2023-11-12 02:33:49,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:49,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:33:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-12 02:33:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:49,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:49,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590042163] [2023-11-12 02:33:49,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590042163] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:49,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630382708] [2023-11-12 02:33:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:49,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:49,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:49,587 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:49,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 02:33:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:33:49,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:50,116 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:50,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630382708] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:50,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:50,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-12 02:33:50,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309013578] [2023-11-12 02:33:50,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:50,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:33:50,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:50,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:33:50,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:33:50,467 INFO L87 Difference]: Start difference. First operand 134 states and 204 transitions. Second operand has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 6 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 6 states have call predecessors, (182), 6 states have call successors, (182) [2023-11-12 02:33:50,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:50,924 INFO L93 Difference]: Finished difference Result 134 states and 204 transitions. [2023-11-12 02:33:50,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:33:50,925 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 6 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 6 states have call predecessors, (182), 6 states have call successors, (182) Word has length 345 [2023-11-12 02:33:50,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:50,928 INFO L225 Difference]: With dead ends: 134 [2023-11-12 02:33:50,928 INFO L226 Difference]: Without dead ends: 133 [2023-11-12 02:33:50,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 821 GetRequests, 812 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:33:50,929 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 86 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:50,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 581 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:33:50,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-12 02:33:50,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2023-11-12 02:33:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 64 states have internal predecessors, (69), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 203 transitions. [2023-11-12 02:33:50,967 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 203 transitions. Word has length 345 [2023-11-12 02:33:50,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:50,968 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 203 transitions. [2023-11-12 02:33:50,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 6 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 6 states have call predecessors, (182), 6 states have call successors, (182) [2023-11-12 02:33:50,969 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2023-11-12 02:33:50,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-11-12 02:33:50,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:50,972 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:50,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:51,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-12 02:33:51,179 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:51,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:51,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1907579867, now seen corresponding path program 1 times [2023-11-12 02:33:51,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:51,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004745860] [2023-11-12 02:33:51,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:51,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:33:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-12 02:33:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:51,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:51,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004745860] [2023-11-12 02:33:51,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004745860] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:51,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159530988] [2023-11-12 02:33:51,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:51,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:51,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:51,892 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:51,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 02:33:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:52,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:33:52,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:52,457 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:52,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159530988] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:52,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:52,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2023-11-12 02:33:52,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950974569] [2023-11-12 02:33:52,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:52,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-12 02:33:52,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:52,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-12 02:33:52,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=395, Unknown=0, NotChecked=0, Total=462 [2023-11-12 02:33:52,883 INFO L87 Difference]: Start difference. First operand 133 states and 203 transitions. Second operand has 22 states, 20 states have (on average 3.85) internal successors, (77), 22 states have internal predecessors, (77), 11 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 10 states have call predecessors, (180), 11 states have call successors, (180) [2023-11-12 02:33:54,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:54,037 INFO L93 Difference]: Finished difference Result 228 states and 312 transitions. [2023-11-12 02:33:54,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-12 02:33:54,038 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 3.85) internal successors, (77), 22 states have internal predecessors, (77), 11 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 10 states have call predecessors, (180), 11 states have call successors, (180) Word has length 346 [2023-11-12 02:33:54,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:54,040 INFO L225 Difference]: With dead ends: 228 [2023-11-12 02:33:54,040 INFO L226 Difference]: Without dead ends: 227 [2023-11-12 02:33:54,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 806 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=309, Invalid=1023, Unknown=0, NotChecked=0, Total=1332 [2023-11-12 02:33:54,042 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 510 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:54,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 848 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 02:33:54,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-11-12 02:33:54,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 142. [2023-11-12 02:33:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 61 states have (on average 1.2622950819672132) internal successors, (77), 71 states have internal predecessors, (77), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-12 02:33:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2023-11-12 02:33:54,072 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 346 [2023-11-12 02:33:54,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:54,073 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2023-11-12 02:33:54,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 3.85) internal successors, (77), 22 states have internal predecessors, (77), 11 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 10 states have call predecessors, (180), 11 states have call successors, (180) [2023-11-12 02:33:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2023-11-12 02:33:54,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2023-11-12 02:33:54,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:54,077 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:54,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:54,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:54,289 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:54,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:54,289 INFO L85 PathProgramCache]: Analyzing trace with hash 286275263, now seen corresponding path program 1 times [2023-11-12 02:33:54,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:54,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639871826] [2023-11-12 02:33:54,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:54,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:33:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-11-12 02:33:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:54,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:54,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639871826] [2023-11-12 02:33:54,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639871826] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:54,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811876531] [2023-11-12 02:33:54,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:54,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:54,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:54,787 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:54,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-12 02:33:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:54,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:33:54,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:55,297 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:55,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811876531] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:55,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:55,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2023-11-12 02:33:55,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232795795] [2023-11-12 02:33:55,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:55,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:33:55,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:55,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:33:55,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:33:55,631 INFO L87 Difference]: Start difference. First operand 142 states and 215 transitions. Second operand has 10 states, 8 states have (on average 10.375) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 5 states have call predecessors, (180), 6 states have call successors, (180) [2023-11-12 02:33:55,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:55,908 INFO L93 Difference]: Finished difference Result 142 states and 215 transitions. [2023-11-12 02:33:55,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:33:55,909 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.375) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 5 states have call predecessors, (180), 6 states have call successors, (180) Word has length 348 [2023-11-12 02:33:55,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:55,911 INFO L225 Difference]: With dead ends: 142 [2023-11-12 02:33:55,912 INFO L226 Difference]: Without dead ends: 141 [2023-11-12 02:33:55,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 828 GetRequests, 818 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:33:55,913 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 116 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:55,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 325 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:33:55,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-12 02:33:55,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 132. [2023-11-12 02:33:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 63 states have internal predecessors, (68), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:55,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 202 transitions. [2023-11-12 02:33:55,939 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 202 transitions. Word has length 348 [2023-11-12 02:33:55,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:55,939 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 202 transitions. [2023-11-12 02:33:55,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.375) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 5 states have call predecessors, (180), 6 states have call successors, (180) [2023-11-12 02:33:55,940 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 202 transitions. [2023-11-12 02:33:55,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2023-11-12 02:33:55,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:55,943 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:55,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:56,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:56,150 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:56,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:56,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1999672444, now seen corresponding path program 1 times [2023-11-12 02:33:56,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:56,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165604089] [2023-11-12 02:33:56,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:56,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:33:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-12 02:33:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:56,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:56,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165604089] [2023-11-12 02:33:56,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165604089] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:56,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028849282] [2023-11-12 02:33:56,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:56,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:56,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:56,645 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:56,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-12 02:33:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:56,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:33:56,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:57,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:57,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-11-12 02:33:57,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028849282] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:57,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:57,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2023-11-12 02:33:57,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288447321] [2023-11-12 02:33:57,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:57,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:33:57,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:57,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:33:57,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:33:57,540 INFO L87 Difference]: Start difference. First operand 132 states and 202 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (122), 1 states have call predecessors, (122), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2023-11-12 02:33:57,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:57,941 INFO L93 Difference]: Finished difference Result 132 states and 202 transitions. [2023-11-12 02:33:57,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:33:57,942 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (122), 1 states have call predecessors, (122), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) Word has length 349 [2023-11-12 02:33:57,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:57,947 INFO L225 Difference]: With dead ends: 132 [2023-11-12 02:33:57,947 INFO L226 Difference]: Without dead ends: 131 [2023-11-12 02:33:57,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 831 GetRequests, 820 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:33:57,948 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 121 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:57,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 405 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:33:57,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-12 02:33:57,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2023-11-12 02:33:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 62 states have internal predecessors, (67), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 201 transitions. [2023-11-12 02:33:57,974 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 201 transitions. Word has length 349 [2023-11-12 02:33:57,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:57,975 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 201 transitions. [2023-11-12 02:33:57,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (122), 1 states have call predecessors, (122), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2023-11-12 02:33:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2023-11-12 02:33:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-12 02:33:57,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:57,979 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:57,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:58,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:58,186 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:33:58,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:58,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1116373343, now seen corresponding path program 1 times [2023-11-12 02:33:58,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:58,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072708309] [2023-11-12 02:33:58,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:58,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:33:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:33:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:33:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:33:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:33:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:33:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:33:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:33:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:33:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:33:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:33:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:33:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:33:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:33:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:33:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:33:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:33:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:33:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:33:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:33:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:33:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:33:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:33:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:33:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:33:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:33:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:33:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:33:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:33:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:33:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:33:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:33:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:33:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:33:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:33:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:33:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:33:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:33:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:33:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:33:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:33:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:33:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:33:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:33:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:33:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:33:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:33:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:33:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:33:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:33:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:33:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:33:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:33:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:33:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:33:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:33:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:33:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:33:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:33:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:33:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:33:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:33:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-12 02:33:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-11-12 02:33:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-11-12 02:33:58,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:58,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072708309] [2023-11-12 02:33:58,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072708309] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:58,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418708380] [2023-11-12 02:33:58,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:58,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:58,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:58,639 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:58,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-12 02:33:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:33:58,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-11-12 02:33:59,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-11-12 02:33:59,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418708380] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:59,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:59,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-12 02:33:59,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689057938] [2023-11-12 02:33:59,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:59,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:33:59,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:59,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:33:59,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:33:59,463 INFO L87 Difference]: Start difference. First operand 131 states and 201 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 6 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (181), 6 states have call predecessors, (181), 6 states have call successors, (181) [2023-11-12 02:33:59,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:59,767 INFO L93 Difference]: Finished difference Result 131 states and 201 transitions. [2023-11-12 02:33:59,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:33:59,769 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 6 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (181), 6 states have call predecessors, (181), 6 states have call successors, (181) Word has length 354 [2023-11-12 02:33:59,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:59,771 INFO L225 Difference]: With dead ends: 131 [2023-11-12 02:33:59,771 INFO L226 Difference]: Without dead ends: 130 [2023-11-12 02:33:59,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 841 GetRequests, 832 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:33:59,772 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 177 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:59,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 321 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:33:59,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-12 02:33:59,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2023-11-12 02:33:59,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 61 states have internal predecessors, (66), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:33:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 200 transitions. [2023-11-12 02:33:59,796 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 200 transitions. Word has length 354 [2023-11-12 02:33:59,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:59,797 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 200 transitions. [2023-11-12 02:33:59,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 6 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (181), 6 states have call predecessors, (181), 6 states have call successors, (181) [2023-11-12 02:33:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 200 transitions. [2023-11-12 02:33:59,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-11-12 02:33:59,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:59,801 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:59,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:34:00,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:34:00,008 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:34:00,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash 247835425, now seen corresponding path program 1 times [2023-11-12 02:34:00,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:00,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818865032] [2023-11-12 02:34:00,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:00,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:34:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:34:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:34:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:34:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:34:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:34:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:34:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:34:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:34:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:34:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:34:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:34:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:34:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:34:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:34:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:34:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:34:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:34:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:34:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:34:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:34:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:34:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:34:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:34:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:34:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:34:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:34:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:34:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:34:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:34:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:34:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:34:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:34:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:34:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:34:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:34:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:34:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:34:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:34:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:34:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:34:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:34:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:34:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:34:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:34:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:34:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:34:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:34:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:34:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:34:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:34:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:34:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:34:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:34:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:34:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:34:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:34:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:34:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:34:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:34:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:34:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:34:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:34:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-12 02:34:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-11-12 02:34:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 24 proven. 168 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-11-12 02:34:00,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:00,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818865032] [2023-11-12 02:34:00,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818865032] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:34:00,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794491565] [2023-11-12 02:34:00,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:00,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:34:00,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:34:00,715 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:34:00,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-12 02:34:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:00,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-12 02:34:00,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:34:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 243 proven. 315 refuted. 0 times theorem prover too weak. 7762 trivial. 0 not checked. [2023-11-12 02:34:01,491 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:34:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 243 proven. 315 refuted. 0 times theorem prover too weak. 7762 trivial. 0 not checked. [2023-11-12 02:34:02,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794491565] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:34:02,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:34:02,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 14] total 33 [2023-11-12 02:34:02,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315468930] [2023-11-12 02:34:02,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:34:02,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-12 02:34:02,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:02,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-12 02:34:02,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1005, Unknown=0, NotChecked=0, Total=1122 [2023-11-12 02:34:02,213 INFO L87 Difference]: Start difference. First operand 130 states and 200 transitions. Second operand has 34 states, 31 states have (on average 2.967741935483871) internal successors, (92), 34 states have internal predecessors, (92), 17 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (187), 16 states have call predecessors, (187), 17 states have call successors, (187) [2023-11-12 02:34:04,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:34:04,534 INFO L93 Difference]: Finished difference Result 249 states and 337 transitions. [2023-11-12 02:34:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-12 02:34:04,535 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 31 states have (on average 2.967741935483871) internal successors, (92), 34 states have internal predecessors, (92), 17 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (187), 16 states have call predecessors, (187), 17 states have call successors, (187) Word has length 355 [2023-11-12 02:34:04,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:34:04,538 INFO L225 Difference]: With dead ends: 249 [2023-11-12 02:34:04,538 INFO L226 Difference]: Without dead ends: 248 [2023-11-12 02:34:04,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 873 GetRequests, 817 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=704, Invalid=2602, Unknown=0, NotChecked=0, Total=3306 [2023-11-12 02:34:04,540 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 489 mSDsluCounter, 1906 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2037 SdHoareTripleChecker+Invalid, 2227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:34:04,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2037 Invalid, 2227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-12 02:34:04,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-11-12 02:34:04,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 144. [2023-11-12 02:34:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 72 states have internal predecessors, (79), 70 states have call successors, (70), 1 states have call predecessors, (70), 1 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-12 02:34:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 219 transitions. [2023-11-12 02:34:04,572 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 219 transitions. Word has length 355 [2023-11-12 02:34:04,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:34:04,573 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 219 transitions. [2023-11-12 02:34:04,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 31 states have (on average 2.967741935483871) internal successors, (92), 34 states have internal predecessors, (92), 17 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (187), 16 states have call predecessors, (187), 17 states have call successors, (187) [2023-11-12 02:34:04,574 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 219 transitions. [2023-11-12 02:34:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2023-11-12 02:34:04,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:34:04,577 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:04,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:34:04,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:34:04,784 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:34:04,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:04,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1236960379, now seen corresponding path program 1 times [2023-11-12 02:34:04,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:04,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530634938] [2023-11-12 02:34:04,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:04,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:34:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:34:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:34:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:34:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:34:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:34:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:34:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:34:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:34:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:34:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:34:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:34:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:34:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:34:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:34:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:34:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:34:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:34:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:34:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:34:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:34:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:34:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:34:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:34:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:34:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:34:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:34:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:34:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:34:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:34:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:34:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:34:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:34:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:34:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:34:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:34:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:34:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:34:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:34:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:34:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:34:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:34:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:34:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:34:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:34:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:34:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:34:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:34:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:34:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:34:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:34:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:34:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:34:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:34:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:34:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:34:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:34:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:34:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:34:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:34:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:34:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:34:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:34:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-12 02:34:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-11-12 02:34:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 24 proven. 168 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-11-12 02:34:05,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:05,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530634938] [2023-11-12 02:34:05,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530634938] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:34:05,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956051727] [2023-11-12 02:34:05,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:05,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:34:05,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:34:05,249 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:34:05,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-12 02:34:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:05,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:34:05,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:34:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 24 proven. 168 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-11-12 02:34:05,724 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:34:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 24 proven. 168 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-11-12 02:34:06,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956051727] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:34:06,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:34:06,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2023-11-12 02:34:06,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595176025] [2023-11-12 02:34:06,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:34:06,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:34:06,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:06,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:34:06,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:34:06,053 INFO L87 Difference]: Start difference. First operand 144 states and 219 transitions. Second operand has 10 states, 8 states have (on average 11.625) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (178), 1 states have call predecessors, (178), 2 states have return successors, (179), 5 states have call predecessors, (179), 6 states have call successors, (179) [2023-11-12 02:34:06,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:34:06,520 INFO L93 Difference]: Finished difference Result 144 states and 219 transitions. [2023-11-12 02:34:06,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:34:06,521 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 11.625) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (178), 1 states have call predecessors, (178), 2 states have return successors, (179), 5 states have call predecessors, (179), 6 states have call successors, (179) Word has length 357 [2023-11-12 02:34:06,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:34:06,524 INFO L225 Difference]: With dead ends: 144 [2023-11-12 02:34:06,524 INFO L226 Difference]: Without dead ends: 143 [2023-11-12 02:34:06,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 848 GetRequests, 838 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:34:06,525 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 64 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:34:06,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 501 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:34:06,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-12 02:34:06,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 129. [2023-11-12 02:34:06,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 60 states have internal predecessors, (65), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:34:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 199 transitions. [2023-11-12 02:34:06,553 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 199 transitions. Word has length 357 [2023-11-12 02:34:06,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:34:06,554 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 199 transitions. [2023-11-12 02:34:06,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 11.625) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (178), 1 states have call predecessors, (178), 2 states have return successors, (179), 5 states have call predecessors, (179), 6 states have call successors, (179) [2023-11-12 02:34:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2023-11-12 02:34:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2023-11-12 02:34:06,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:34:06,558 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:06,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:34:06,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:34:06,765 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:34:06,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:06,765 INFO L85 PathProgramCache]: Analyzing trace with hash 216528262, now seen corresponding path program 1 times [2023-11-12 02:34:06,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:06,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736307843] [2023-11-12 02:34:06,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:06,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:34:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:34:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:34:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:34:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:34:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:34:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:34:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:34:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:34:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:34:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:34:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:34:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:34:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:34:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:34:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:34:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:34:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:34:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:34:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:34:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:34:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:34:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:34:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:34:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:34:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:34:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:34:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:34:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:34:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:34:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:34:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:34:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:34:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:34:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:34:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:34:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:34:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:34:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:34:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:34:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:34:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:34:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:34:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:34:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:34:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:34:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:34:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:34:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:34:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:34:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:34:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:34:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:34:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:34:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:34:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:34:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:34:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:34:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:34:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:34:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:34:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:34:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:34:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-12 02:34:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-11-12 02:34:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 42 proven. 336 refuted. 0 times theorem prover too weak. 7942 trivial. 0 not checked. [2023-11-12 02:34:07,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:07,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736307843] [2023-11-12 02:34:07,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736307843] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:34:07,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094517968] [2023-11-12 02:34:07,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:07,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:34:07,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:34:07,233 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:34:07,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-12 02:34:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:07,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:34:07,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:34:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-11-12 02:34:07,721 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:34:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-11-12 02:34:08,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094517968] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:34:08,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:34:08,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-11-12 02:34:08,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832179800] [2023-11-12 02:34:08,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:34:08,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:34:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:34:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:34:08,044 INFO L87 Difference]: Start difference. First operand 129 states and 199 transitions. Second operand has 11 states, 10 states have (on average 9.4) internal successors, (94), 11 states have internal predecessors, (94), 5 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (179), 5 states have call predecessors, (179), 5 states have call successors, (179) [2023-11-12 02:34:08,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:34:08,596 INFO L93 Difference]: Finished difference Result 133 states and 203 transitions. [2023-11-12 02:34:08,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:34:08,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.4) internal successors, (94), 11 states have internal predecessors, (94), 5 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (179), 5 states have call predecessors, (179), 5 states have call successors, (179) Word has length 358 [2023-11-12 02:34:08,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:34:08,599 INFO L225 Difference]: With dead ends: 133 [2023-11-12 02:34:08,599 INFO L226 Difference]: Without dead ends: 132 [2023-11-12 02:34:08,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 840 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-12 02:34:08,600 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 70 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:34:08,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 680 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:34:08,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-12 02:34:08,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 128. [2023-11-12 02:34:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 59 states have internal predecessors, (64), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:34:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 198 transitions. [2023-11-12 02:34:08,640 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 198 transitions. Word has length 358 [2023-11-12 02:34:08,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:34:08,641 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 198 transitions. [2023-11-12 02:34:08,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.4) internal successors, (94), 11 states have internal predecessors, (94), 5 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (179), 5 states have call predecessors, (179), 5 states have call successors, (179) [2023-11-12 02:34:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 198 transitions. [2023-11-12 02:34:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2023-11-12 02:34:08,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:34:08,645 INFO L195 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:08,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:34:08,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-12 02:34:08,852 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:34:08,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:08,853 INFO L85 PathProgramCache]: Analyzing trace with hash 645160497, now seen corresponding path program 1 times [2023-11-12 02:34:08,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:08,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908880775] [2023-11-12 02:34:08,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:08,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:34:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-12 02:34:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:34:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:34:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:34:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:34:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-12 02:34:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:34:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:34:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:34:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-12 02:34:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:34:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:34:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:34:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:34:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:34:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:34:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:34:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:34:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:34:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-12 02:34:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:34:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:34:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:34:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-12 02:34:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:34:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:34:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:34:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:34:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:34:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:34:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:34:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:34:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-12 02:34:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-12 02:34:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-12 02:34:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-11-12 02:34:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:34:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-12 02:34:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:34:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-12 02:34:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:34:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:34:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:34:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-12 02:34:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-12 02:34:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-12 02:34:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-12 02:34:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-12 02:34:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-12 02:34:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-12 02:34:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-12 02:34:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-12 02:34:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-12 02:34:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:34:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-12 02:34:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-12 02:34:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-12 02:34:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-12 02:34:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-12 02:34:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-11-12 02:34:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-12 02:34:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-12 02:34:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-11-12 02:34:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-11-12 02:34:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-11-12 02:34:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 24 proven. 171 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2023-11-12 02:34:09,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:09,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908880775] [2023-11-12 02:34:09,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908880775] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:34:09,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156952403] [2023-11-12 02:34:09,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:09,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:34:09,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:34:09,257 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:34:09,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-12 02:34:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:09,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:34:09,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:34:09,719 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 24 proven. 171 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2023-11-12 02:34:09,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:34:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 24 proven. 171 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2023-11-12 02:34:10,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156952403] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:34:10,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:34:10,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-12 02:34:10,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344880217] [2023-11-12 02:34:10,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:34:10,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:34:10,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:10,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:34:10,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:34:10,062 INFO L87 Difference]: Start difference. First operand 128 states and 198 transitions. Second operand has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 6 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 6 states have call predecessors, (180), 6 states have call successors, (180) [2023-11-12 02:34:10,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:34:10,441 INFO L93 Difference]: Finished difference Result 128 states and 198 transitions. [2023-11-12 02:34:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:34:10,442 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 6 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 6 states have call predecessors, (180), 6 states have call successors, (180) Word has length 363 [2023-11-12 02:34:10,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:34:10,445 INFO L225 Difference]: With dead ends: 128 [2023-11-12 02:34:10,445 INFO L226 Difference]: Without dead ends: 127 [2023-11-12 02:34:10,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:34:10,447 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 86 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:34:10,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 514 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:34:10,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-12 02:34:10,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-12 02:34:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 58 states have internal predecessors, (63), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-12 02:34:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 197 transitions. [2023-11-12 02:34:10,486 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 197 transitions. Word has length 363 [2023-11-12 02:34:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:34:10,487 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 197 transitions. [2023-11-12 02:34:10,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 6 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 6 states have call predecessors, (180), 6 states have call successors, (180) [2023-11-12 02:34:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 197 transitions. [2023-11-12 02:34:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2023-11-12 02:34:10,493 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:34:10,494 INFO L195 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:10,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:34:10,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b41e166-896b-4749-8cf1-6cfdd42ab696/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-12 02:34:10,701 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-12 02:34:10,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:10,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1474860897, now seen corresponding path program 1 times [2023-11-12 02:34:10,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:10,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979351636] [2023-11-12 02:34:10,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:10,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat