./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 332223a74015f37ef1848305a6dc2d3188fda0d257576dbd7b4025d0bb05f229 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:05:17,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:05:17,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:05:17,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:05:17,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:05:17,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:05:17,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:05:17,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:05:17,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:05:17,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:05:17,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:05:17,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:05:17,948 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:05:17,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:05:17,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:05:17,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:05:17,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:05:17,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:05:17,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:05:17,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:05:17,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:05:17,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:05:17,961 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:05:17,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:05:17,962 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:05:17,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:05:17,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:05:17,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:05:17,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:17,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:05:17,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:05:17,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:05:17,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:05:17,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:05:17,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:05:17,970 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:05:17,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:05:17,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:05:17,971 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:05:17,971 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_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332223a74015f37ef1848305a6dc2d3188fda0d257576dbd7b4025d0bb05f229 [2023-11-06 22:05:18,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:05:18,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:05:18,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:05:18,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:05:18,358 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:05:18,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/eca-rers2012/Problem11_label35.c [2023-11-06 22:05:21,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:05:22,286 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:05:22,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/sv-benchmarks/c/eca-rers2012/Problem11_label35.c [2023-11-06 22:05:22,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/data/033e47bd4/b76fb0d9cfb9469190c0f02d600fae70/FLAGe1d220853 [2023-11-06 22:05:22,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/data/033e47bd4/b76fb0d9cfb9469190c0f02d600fae70 [2023-11-06 22:05:22,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:05:22,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:05:22,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:22,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:05:22,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:05:22,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:22" (1/1) ... [2023-11-06 22:05:22,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373cc38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:22, skipping insertion in model container [2023-11-06 22:05:22,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:22" (1/1) ... [2023-11-06 22:05:22,436 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:05:22,717 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/sv-benchmarks/c/eca-rers2012/Problem11_label35.c[8398,8411] [2023-11-06 22:05:23,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:23,143 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:05:23,186 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/sv-benchmarks/c/eca-rers2012/Problem11_label35.c[8398,8411] [2023-11-06 22:05:23,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:23,390 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:05:23,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23 WrapperNode [2023-11-06 22:05:23,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:23,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:23,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:05:23,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:05:23,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,636 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-11-06 22:05:23,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:23,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:05:23,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:05:23,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:05:23,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:05:23,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:05:23,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:05:23,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:05:23,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (1/1) ... [2023-11-06 22:05:23,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:23,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:23,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:05:23,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:05:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:05:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:05:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:05:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:05:23,999 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:05:24,002 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:05:26,411 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:05:26,433 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:05:26,433 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:05:26,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:26 BoogieIcfgContainer [2023-11-06 22:05:26,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:05:26,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:05:26,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:05:26,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:05:26,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:05:22" (1/3) ... [2023-11-06 22:05:26,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3405c7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:26, skipping insertion in model container [2023-11-06 22:05:26,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:23" (2/3) ... [2023-11-06 22:05:26,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3405c7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:26, skipping insertion in model container [2023-11-06 22:05:26,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:26" (3/3) ... [2023-11-06 22:05:26,458 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label35.c [2023-11-06 22:05:26,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:05:26,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:05:26,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:05:26,593 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=LoopsAndPotentialCycles, 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;@7c713cc0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:05:26,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:05:26,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:05:26,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:26,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:26,622 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:26,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:26,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2023-11-06 22:05:26,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:26,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521559767] [2023-11-06 22:05:26,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:26,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:27,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:27,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521559767] [2023-11-06 22:05:27,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521559767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:27,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:27,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:05:27,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984334751] [2023-11-06 22:05:27,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:27,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:27,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:27,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:27,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:27,275 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:28,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:28,827 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2023-11-06 22:05:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:28,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2023-11-06 22:05:28,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:28,863 INFO L225 Difference]: With dead ends: 776 [2023-11-06 22:05:28,866 INFO L226 Difference]: Without dead ends: 413 [2023-11-06 22:05:28,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:28,884 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 169 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:28,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:05:28,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2023-11-06 22:05:28,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2023-11-06 22:05:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2023-11-06 22:05:29,008 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 58 [2023-11-06 22:05:29,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:29,010 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2023-11-06 22:05:29,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2023-11-06 22:05:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-06 22:05:29,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:29,024 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:29,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:05:29,025 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:29,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:29,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1140984306, now seen corresponding path program 1 times [2023-11-06 22:05:29,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:29,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063272715] [2023-11-06 22:05:29,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:29,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:29,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:29,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063272715] [2023-11-06 22:05:29,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063272715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:29,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:29,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:05:29,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649425281] [2023-11-06 22:05:29,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:29,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:29,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:29,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:29,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:29,491 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:30,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:30,683 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2023-11-06 22:05:30,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:30,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2023-11-06 22:05:30,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:30,697 INFO L225 Difference]: With dead ends: 1209 [2023-11-06 22:05:30,698 INFO L226 Difference]: Without dead ends: 800 [2023-11-06 22:05:30,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:30,701 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:30,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:05:30,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2023-11-06 22:05:30,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2023-11-06 22:05:30,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2023-11-06 22:05:30,742 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 126 [2023-11-06 22:05:30,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:30,742 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2023-11-06 22:05:30,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2023-11-06 22:05:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-06 22:05:30,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:30,746 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:30,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:05:30,747 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:30,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:30,747 INFO L85 PathProgramCache]: Analyzing trace with hash 720217396, now seen corresponding path program 1 times [2023-11-06 22:05:30,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:30,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653840858] [2023-11-06 22:05:30,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:30,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:31,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:31,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653840858] [2023-11-06 22:05:31,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653840858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:31,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:31,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:05:31,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274352294] [2023-11-06 22:05:31,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:31,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:31,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:31,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:31,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:31,271 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:32,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:32,367 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2023-11-06 22:05:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:32,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2023-11-06 22:05:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:32,378 INFO L225 Difference]: With dead ends: 1942 [2023-11-06 22:05:32,378 INFO L226 Difference]: Without dead ends: 1157 [2023-11-06 22:05:32,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:32,382 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:32,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:05:32,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2023-11-06 22:05:32,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2023-11-06 22:05:32,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2023-11-06 22:05:32,447 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 127 [2023-11-06 22:05:32,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:32,452 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2023-11-06 22:05:32,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:32,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2023-11-06 22:05:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:05:32,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:32,461 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:32,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:05:32,461 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:32,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:32,469 INFO L85 PathProgramCache]: Analyzing trace with hash -965276746, now seen corresponding path program 1 times [2023-11-06 22:05:32,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:32,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605451152] [2023-11-06 22:05:32,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:32,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:32,734 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-06 22:05:32,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:32,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605451152] [2023-11-06 22:05:32,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605451152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:32,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:32,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:05:32,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728087838] [2023-11-06 22:05:32,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:32,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:32,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:32,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:32,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:32,739 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:33,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:33,978 INFO L93 Difference]: Finished difference Result 2502 states and 3339 transitions. [2023-11-06 22:05:33,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:33,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-11-06 22:05:33,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:33,990 INFO L225 Difference]: With dead ends: 2502 [2023-11-06 22:05:33,991 INFO L226 Difference]: Without dead ends: 1532 [2023-11-06 22:05:33,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:33,994 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:33,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:05:33,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2023-11-06 22:05:34,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2023-11-06 22:05:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2619203135205748) internal successors, (1932), 1531 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:34,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1932 transitions. [2023-11-06 22:05:34,049 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1932 transitions. Word has length 170 [2023-11-06 22:05:34,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:34,051 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1932 transitions. [2023-11-06 22:05:34,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1932 transitions. [2023-11-06 22:05:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-06 22:05:34,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:34,058 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:34,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:05:34,059 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:34,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:34,060 INFO L85 PathProgramCache]: Analyzing trace with hash 684290447, now seen corresponding path program 1 times [2023-11-06 22:05:34,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:34,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140257647] [2023-11-06 22:05:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:34,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:34,443 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:34,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:34,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140257647] [2023-11-06 22:05:34,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140257647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:34,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:34,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:05:34,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701182] [2023-11-06 22:05:34,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:34,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:05:34,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:34,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:05:34,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:05:34,450 INFO L87 Difference]: Start difference. First operand 1532 states and 1932 transitions. Second operand has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:36,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:36,368 INFO L93 Difference]: Finished difference Result 4931 states and 6396 transitions. [2023-11-06 22:05:36,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:05:36,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2023-11-06 22:05:36,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:36,391 INFO L225 Difference]: With dead ends: 4931 [2023-11-06 22:05:36,391 INFO L226 Difference]: Without dead ends: 3585 [2023-11-06 22:05:36,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:05:36,396 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 336 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:36,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 87 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 22:05:36,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2023-11-06 22:05:36,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 3584. [2023-11-06 22:05:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3584 states, 3583 states have (on average 1.254535305609824) internal successors, (4495), 3583 states have internal predecessors, (4495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4495 transitions. [2023-11-06 22:05:36,490 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 4495 transitions. Word has length 185 [2023-11-06 22:05:36,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:36,492 INFO L495 AbstractCegarLoop]: Abstraction has 3584 states and 4495 transitions. [2023-11-06 22:05:36,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:36,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4495 transitions. [2023-11-06 22:05:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-06 22:05:36,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:36,500 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:36,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:05:36,503 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:36,503 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:36,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1272185010, now seen corresponding path program 1 times [2023-11-06 22:05:36,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:36,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687843466] [2023-11-06 22:05:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:36,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:36,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:36,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687843466] [2023-11-06 22:05:36,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687843466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:36,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:36,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:05:36,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290060929] [2023-11-06 22:05:36,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:36,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:36,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:36,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:36,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:36,878 INFO L87 Difference]: Start difference. First operand 3584 states and 4495 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:37,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:37,942 INFO L93 Difference]: Finished difference Result 8287 states and 10612 transitions. [2023-11-06 22:05:37,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:37,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 238 [2023-11-06 22:05:37,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:37,973 INFO L225 Difference]: With dead ends: 8287 [2023-11-06 22:05:37,973 INFO L226 Difference]: Without dead ends: 5073 [2023-11-06 22:05:37,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:37,981 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:37,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 347 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:05:37,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5073 states. [2023-11-06 22:05:38,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5073 to 5058. [2023-11-06 22:05:38,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5058 states, 5057 states have (on average 1.2278030452837652) internal successors, (6209), 5057 states have internal predecessors, (6209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5058 states to 5058 states and 6209 transitions. [2023-11-06 22:05:38,131 INFO L78 Accepts]: Start accepts. Automaton has 5058 states and 6209 transitions. Word has length 238 [2023-11-06 22:05:38,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:38,133 INFO L495 AbstractCegarLoop]: Abstraction has 5058 states and 6209 transitions. [2023-11-06 22:05:38,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:38,133 INFO L276 IsEmpty]: Start isEmpty. Operand 5058 states and 6209 transitions. [2023-11-06 22:05:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-06 22:05:38,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:38,141 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:38,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:05:38,141 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:38,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:38,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1073587368, now seen corresponding path program 1 times [2023-11-06 22:05:38,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:38,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740128430] [2023-11-06 22:05:38,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:38,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-06 22:05:38,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:38,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740128430] [2023-11-06 22:05:38,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740128430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:38,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:38,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:05:38,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419402558] [2023-11-06 22:05:38,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:38,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:38,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:38,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:38,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:38,566 INFO L87 Difference]: Start difference. First operand 5058 states and 6209 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:39,712 INFO L93 Difference]: Finished difference Result 11053 states and 13655 transitions. [2023-11-06 22:05:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:39,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2023-11-06 22:05:39,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:39,752 INFO L225 Difference]: With dead ends: 11053 [2023-11-06 22:05:39,752 INFO L226 Difference]: Without dead ends: 6365 [2023-11-06 22:05:39,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:39,759 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 144 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:39,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 346 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:05:39,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6365 states. [2023-11-06 22:05:39,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6365 to 6346. [2023-11-06 22:05:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6346 states, 6345 states have (on average 1.21371158392435) internal successors, (7701), 6345 states have internal predecessors, (7701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6346 states to 6346 states and 7701 transitions. [2023-11-06 22:05:39,923 INFO L78 Accepts]: Start accepts. Automaton has 6346 states and 7701 transitions. Word has length 239 [2023-11-06 22:05:39,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:39,924 INFO L495 AbstractCegarLoop]: Abstraction has 6346 states and 7701 transitions. [2023-11-06 22:05:39,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 6346 states and 7701 transitions. [2023-11-06 22:05:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-06 22:05:39,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:39,930 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:39,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:05:39,931 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:39,931 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:39,932 INFO L85 PathProgramCache]: Analyzing trace with hash -275188695, now seen corresponding path program 1 times [2023-11-06 22:05:39,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:39,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739061569] [2023-11-06 22:05:39,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:39,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-06 22:05:40,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:40,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739061569] [2023-11-06 22:05:40,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739061569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:40,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:40,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:05:40,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961589508] [2023-11-06 22:05:40,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:40,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:40,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:40,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:40,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:40,333 INFO L87 Difference]: Start difference. First operand 6346 states and 7701 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:41,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:41,657 INFO L93 Difference]: Finished difference Result 13621 states and 16781 transitions. [2023-11-06 22:05:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:41,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 240 [2023-11-06 22:05:41,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:41,719 INFO L225 Difference]: With dead ends: 13621 [2023-11-06 22:05:41,719 INFO L226 Difference]: Without dead ends: 7645 [2023-11-06 22:05:41,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:41,730 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 139 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:41,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 371 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:05:41,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7645 states. [2023-11-06 22:05:41,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7645 to 7450. [2023-11-06 22:05:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7450 states, 7449 states have (on average 1.20700765203383) internal successors, (8991), 7449 states have internal predecessors, (8991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7450 states to 7450 states and 8991 transitions. [2023-11-06 22:05:41,933 INFO L78 Accepts]: Start accepts. Automaton has 7450 states and 8991 transitions. Word has length 240 [2023-11-06 22:05:41,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:41,934 INFO L495 AbstractCegarLoop]: Abstraction has 7450 states and 8991 transitions. [2023-11-06 22:05:41,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 7450 states and 8991 transitions. [2023-11-06 22:05:41,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-06 22:05:41,942 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:41,942 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:41,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:05:41,943 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:41,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:41,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1602390199, now seen corresponding path program 1 times [2023-11-06 22:05:41,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:41,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380289651] [2023-11-06 22:05:41,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:41,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:42,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:42,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380289651] [2023-11-06 22:05:42,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380289651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:42,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:42,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:05:42,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106131247] [2023-11-06 22:05:42,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:42,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:05:42,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:42,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:05:42,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:05:42,611 INFO L87 Difference]: Start difference. First operand 7450 states and 8991 transitions. Second operand has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:44,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:44,767 INFO L93 Difference]: Finished difference Result 21201 states and 26191 transitions. [2023-11-06 22:05:44,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:05:44,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 260 [2023-11-06 22:05:44,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:44,808 INFO L225 Difference]: With dead ends: 21201 [2023-11-06 22:05:44,808 INFO L226 Difference]: Without dead ends: 14121 [2023-11-06 22:05:44,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:05:44,822 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 277 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:44,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 194 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 22:05:44,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14121 states. [2023-11-06 22:05:45,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14121 to 12820. [2023-11-06 22:05:45,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12820 states, 12819 states have (on average 1.1994695374054138) internal successors, (15376), 12819 states have internal predecessors, (15376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12820 states to 12820 states and 15376 transitions. [2023-11-06 22:05:45,367 INFO L78 Accepts]: Start accepts. Automaton has 12820 states and 15376 transitions. Word has length 260 [2023-11-06 22:05:45,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:45,369 INFO L495 AbstractCegarLoop]: Abstraction has 12820 states and 15376 transitions. [2023-11-06 22:05:45,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 12820 states and 15376 transitions. [2023-11-06 22:05:45,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-06 22:05:45,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:45,382 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:45,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:05:45,383 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:45,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:45,390 INFO L85 PathProgramCache]: Analyzing trace with hash -656312002, now seen corresponding path program 1 times [2023-11-06 22:05:45,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:45,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038873470] [2023-11-06 22:05:45,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:45,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:46,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:46,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038873470] [2023-11-06 22:05:46,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038873470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:46,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:46,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:05:46,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759713] [2023-11-06 22:05:46,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:46,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:05:46,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:46,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:05:46,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:05:46,131 INFO L87 Difference]: Start difference. First operand 12820 states and 15376 transitions. Second operand has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:48,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:48,321 INFO L93 Difference]: Finished difference Result 30437 states and 37141 transitions. [2023-11-06 22:05:48,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:05:48,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 270 [2023-11-06 22:05:48,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:48,368 INFO L225 Difference]: With dead ends: 30437 [2023-11-06 22:05:48,368 INFO L226 Difference]: Without dead ends: 17987 [2023-11-06 22:05:48,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:05:48,386 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 287 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:48,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 120 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 22:05:48,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17987 states. [2023-11-06 22:05:48,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17987 to 17973. [2023-11-06 22:05:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17973 states, 17972 states have (on average 1.2047073225016693) internal successors, (21651), 17972 states have internal predecessors, (21651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:48,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17973 states to 17973 states and 21651 transitions. [2023-11-06 22:05:48,833 INFO L78 Accepts]: Start accepts. Automaton has 17973 states and 21651 transitions. Word has length 270 [2023-11-06 22:05:48,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:48,834 INFO L495 AbstractCegarLoop]: Abstraction has 17973 states and 21651 transitions. [2023-11-06 22:05:48,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:48,835 INFO L276 IsEmpty]: Start isEmpty. Operand 17973 states and 21651 transitions. [2023-11-06 22:05:48,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2023-11-06 22:05:48,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:48,847 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:48,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:05:48,848 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:48,849 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:48,849 INFO L85 PathProgramCache]: Analyzing trace with hash -420504501, now seen corresponding path program 1 times [2023-11-06 22:05:48,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:48,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514281745] [2023-11-06 22:05:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:48,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-06 22:05:49,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:49,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514281745] [2023-11-06 22:05:49,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514281745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:49,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:49,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:05:49,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120973203] [2023-11-06 22:05:49,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:49,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:49,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:49,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:49,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:49,317 INFO L87 Difference]: Start difference. First operand 17973 states and 21651 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:50,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:50,754 INFO L93 Difference]: Finished difference Result 35770 states and 43131 transitions. [2023-11-06 22:05:50,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:50,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 277 [2023-11-06 22:05:50,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:50,803 INFO L225 Difference]: With dead ends: 35770 [2023-11-06 22:05:50,803 INFO L226 Difference]: Without dead ends: 17983 [2023-11-06 22:05:50,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:50,824 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 143 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:50,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 379 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:05:50,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17983 states. [2023-11-06 22:05:51,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17983 to 17972. [2023-11-06 22:05:51,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17972 states, 17971 states have (on average 1.1678259417951145) internal successors, (20987), 17971 states have internal predecessors, (20987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:51,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17972 states to 17972 states and 20987 transitions. [2023-11-06 22:05:51,266 INFO L78 Accepts]: Start accepts. Automaton has 17972 states and 20987 transitions. Word has length 277 [2023-11-06 22:05:51,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:51,267 INFO L495 AbstractCegarLoop]: Abstraction has 17972 states and 20987 transitions. [2023-11-06 22:05:51,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 17972 states and 20987 transitions. [2023-11-06 22:05:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2023-11-06 22:05:51,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:51,281 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:51,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:05:51,282 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:51,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:51,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1481290674, now seen corresponding path program 1 times [2023-11-06 22:05:51,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:51,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463449533] [2023-11-06 22:05:51,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 167 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:52,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:52,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463449533] [2023-11-06 22:05:52,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463449533] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:05:52,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586350161] [2023-11-06 22:05:52,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:52,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:05:52,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:52,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:05:52,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:05:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:52,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:05:52,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:05:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:53,351 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:05:53,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586350161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:53,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:05:53,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-06 22:05:53,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29336795] [2023-11-06 22:05:53,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:53,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:05:53,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:53,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:05:53,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:05:53,355 INFO L87 Difference]: Start difference. First operand 17972 states and 20987 transitions. Second operand has 4 states, 4 states have (on average 72.75) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:54,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:54,908 INFO L93 Difference]: Finished difference Result 33180 states and 38911 transitions. [2023-11-06 22:05:54,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:05:54,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 291 [2023-11-06 22:05:54,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:54,955 INFO L225 Difference]: With dead ends: 33180 [2023-11-06 22:05:54,956 INFO L226 Difference]: Without dead ends: 17980 [2023-11-06 22:05:54,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:05:54,974 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 191 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:54,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 165 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:05:54,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17980 states. [2023-11-06 22:05:55,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17980 to 17972. [2023-11-06 22:05:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17972 states, 17971 states have (on average 1.1658227143731568) internal successors, (20951), 17971 states have internal predecessors, (20951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:55,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17972 states to 17972 states and 20951 transitions. [2023-11-06 22:05:55,298 INFO L78 Accepts]: Start accepts. Automaton has 17972 states and 20951 transitions. Word has length 291 [2023-11-06 22:05:55,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:55,298 INFO L495 AbstractCegarLoop]: Abstraction has 17972 states and 20951 transitions. [2023-11-06 22:05:55,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:55,299 INFO L276 IsEmpty]: Start isEmpty. Operand 17972 states and 20951 transitions. [2023-11-06 22:05:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-11-06 22:05:55,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:55,320 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:55,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:05:55,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:05:55,527 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:55,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:55,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1567275683, now seen corresponding path program 1 times [2023-11-06 22:05:55,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:55,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062860120] [2023-11-06 22:05:55,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:55,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-06 22:05:55,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:55,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062860120] [2023-11-06 22:05:55,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062860120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:55,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:55,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:05:55,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219928778] [2023-11-06 22:05:55,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:55,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:55,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:55,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:55,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:55,915 INFO L87 Difference]: Start difference. First operand 17972 states and 20951 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:57,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:57,252 INFO L93 Difference]: Finished difference Result 37950 states and 44596 transitions. [2023-11-06 22:05:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:57,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 317 [2023-11-06 22:05:57,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:57,305 INFO L225 Difference]: With dead ends: 37950 [2023-11-06 22:05:57,305 INFO L226 Difference]: Without dead ends: 20348 [2023-11-06 22:05:57,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:57,321 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 126 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:57,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 153 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:05:57,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20348 states. [2023-11-06 22:05:57,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20348 to 17029. [2023-11-06 22:05:57,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17029 states, 17028 states have (on average 1.132957481794691) internal successors, (19292), 17028 states have internal predecessors, (19292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17029 states to 17029 states and 19292 transitions. [2023-11-06 22:05:57,755 INFO L78 Accepts]: Start accepts. Automaton has 17029 states and 19292 transitions. Word has length 317 [2023-11-06 22:05:57,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:57,756 INFO L495 AbstractCegarLoop]: Abstraction has 17029 states and 19292 transitions. [2023-11-06 22:05:57,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 17029 states and 19292 transitions. [2023-11-06 22:05:57,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2023-11-06 22:05:57,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:57,774 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:57,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:05:57,775 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:57,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:57,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1154072221, now seen corresponding path program 1 times [2023-11-06 22:05:57,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:57,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441745571] [2023-11-06 22:05:57,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:57,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2023-11-06 22:05:58,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:58,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441745571] [2023-11-06 22:05:58,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441745571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:58,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:58,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:05:58,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131373933] [2023-11-06 22:05:58,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:58,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:05:58,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:58,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:05:58,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:58,174 INFO L87 Difference]: Start difference. First operand 17029 states and 19292 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:59,310 INFO L93 Difference]: Finished difference Result 35707 states and 40462 transitions. [2023-11-06 22:05:59,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:05:59,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 325 [2023-11-06 22:05:59,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:59,346 INFO L225 Difference]: With dead ends: 35707 [2023-11-06 22:05:59,347 INFO L226 Difference]: Without dead ends: 21076 [2023-11-06 22:05:59,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:05:59,357 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 164 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:59,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 151 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:05:59,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21076 states. [2023-11-06 22:05:59,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21076 to 17396. [2023-11-06 22:05:59,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17396 states, 17395 states have (on average 1.133371658522564) internal successors, (19715), 17395 states have internal predecessors, (19715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17396 states to 17396 states and 19715 transitions. [2023-11-06 22:05:59,704 INFO L78 Accepts]: Start accepts. Automaton has 17396 states and 19715 transitions. Word has length 325 [2023-11-06 22:05:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:59,705 INFO L495 AbstractCegarLoop]: Abstraction has 17396 states and 19715 transitions. [2023-11-06 22:05:59,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 17396 states and 19715 transitions. [2023-11-06 22:05:59,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2023-11-06 22:05:59,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:59,720 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:59,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:05:59,721 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:59,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:59,722 INFO L85 PathProgramCache]: Analyzing trace with hash -529817127, now seen corresponding path program 1 times [2023-11-06 22:05:59,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:59,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432004209] [2023-11-06 22:05:59,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:59,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-06 22:06:00,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:00,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432004209] [2023-11-06 22:06:00,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432004209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:00,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:00,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:00,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456730773] [2023-11-06 22:06:00,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:00,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:00,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:00,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:00,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:00,510 INFO L87 Difference]: Start difference. First operand 17396 states and 19715 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 4 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:02,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:02,605 INFO L93 Difference]: Finished difference Result 40533 states and 46168 transitions. [2023-11-06 22:06:02,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:02,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 4 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 329 [2023-11-06 22:06:02,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:02,635 INFO L225 Difference]: With dead ends: 40533 [2023-11-06 22:06:02,635 INFO L226 Difference]: Without dead ends: 24794 [2023-11-06 22:06:02,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:02,645 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 288 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:02,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 412 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-06 22:06:02,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24794 states. [2023-11-06 22:06:02,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24794 to 20352. [2023-11-06 22:06:02,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20352 states, 20351 states have (on average 1.1228932239202005) internal successors, (22852), 20351 states have internal predecessors, (22852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20352 states to 20352 states and 22852 transitions. [2023-11-06 22:06:02,995 INFO L78 Accepts]: Start accepts. Automaton has 20352 states and 22852 transitions. Word has length 329 [2023-11-06 22:06:02,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:02,996 INFO L495 AbstractCegarLoop]: Abstraction has 20352 states and 22852 transitions. [2023-11-06 22:06:02,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 4 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 20352 states and 22852 transitions. [2023-11-06 22:06:03,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-11-06 22:06:03,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:03,015 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:03,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:06:03,016 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:03,016 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:03,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1235290608, now seen corresponding path program 1 times [2023-11-06 22:06:03,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:03,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881624637] [2023-11-06 22:06:03,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:03,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:03,633 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:03,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:03,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881624637] [2023-11-06 22:06:03,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881624637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:03,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:03,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:03,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536939820] [2023-11-06 22:06:03,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:03,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:03,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:03,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:03,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:03,637 INFO L87 Difference]: Start difference. First operand 20352 states and 22852 transitions. Second operand has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:05,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:05,593 INFO L93 Difference]: Finished difference Result 46790 states and 52589 transitions. [2023-11-06 22:06:05,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:05,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 338 [2023-11-06 22:06:05,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:05,630 INFO L225 Difference]: With dead ends: 46790 [2023-11-06 22:06:05,630 INFO L226 Difference]: Without dead ends: 26808 [2023-11-06 22:06:05,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:05,643 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 157 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:05,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 116 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 22:06:05,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26808 states. [2023-11-06 22:06:06,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26808 to 25512. [2023-11-06 22:06:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25512 states, 25511 states have (on average 1.1172043432244914) internal successors, (28501), 25511 states have internal predecessors, (28501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25512 states to 25512 states and 28501 transitions. [2023-11-06 22:06:06,119 INFO L78 Accepts]: Start accepts. Automaton has 25512 states and 28501 transitions. Word has length 338 [2023-11-06 22:06:06,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:06,120 INFO L495 AbstractCegarLoop]: Abstraction has 25512 states and 28501 transitions. [2023-11-06 22:06:06,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 25512 states and 28501 transitions. [2023-11-06 22:06:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2023-11-06 22:06:06,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:06,134 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:06,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:06:06,135 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:06,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:06,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1689526705, now seen corresponding path program 1 times [2023-11-06 22:06:06,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:06,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909704715] [2023-11-06 22:06:06,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:06,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:07,646 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 174 proven. 167 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-06 22:06:07,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:07,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909704715] [2023-11-06 22:06:07,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909704715] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:06:07,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540427768] [2023-11-06 22:06:07,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:07,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:07,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:07,649 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:07,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:06:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:07,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:06:07,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-06 22:06:08,641 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:08,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540427768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:08,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:06:08,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-06 22:06:08,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783931159] [2023-11-06 22:06:08,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:08,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:08,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:08,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:08,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:08,647 INFO L87 Difference]: Start difference. First operand 25512 states and 28501 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:10,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:10,119 INFO L93 Difference]: Finished difference Result 48630 states and 54360 transitions. [2023-11-06 22:06:10,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:10,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 345 [2023-11-06 22:06:10,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:10,148 INFO L225 Difference]: With dead ends: 48630 [2023-11-06 22:06:10,148 INFO L226 Difference]: Without dead ends: 25884 [2023-11-06 22:06:10,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:10,165 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 294 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:10,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 158 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:06:10,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25884 states. [2023-11-06 22:06:10,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25884 to 25144. [2023-11-06 22:06:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25144 states, 25143 states have (on average 1.116772063795092) internal successors, (28079), 25143 states have internal predecessors, (28079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25144 states to 25144 states and 28079 transitions. [2023-11-06 22:06:10,554 INFO L78 Accepts]: Start accepts. Automaton has 25144 states and 28079 transitions. Word has length 345 [2023-11-06 22:06:10,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:10,555 INFO L495 AbstractCegarLoop]: Abstraction has 25144 states and 28079 transitions. [2023-11-06 22:06:10,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 25144 states and 28079 transitions. [2023-11-06 22:06:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2023-11-06 22:06:10,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:10,572 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:10,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:10,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:10,779 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:10,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:10,779 INFO L85 PathProgramCache]: Analyzing trace with hash -576147188, now seen corresponding path program 1 times [2023-11-06 22:06:10,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:10,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267662819] [2023-11-06 22:06:10,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:10,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:11,612 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-06 22:06:11,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:11,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267662819] [2023-11-06 22:06:11,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267662819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:11,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:11,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:11,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452256012] [2023-11-06 22:06:11,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:11,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:11,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:11,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:11,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:11,616 INFO L87 Difference]: Start difference. First operand 25144 states and 28079 transitions. Second operand has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:13,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:13,576 INFO L93 Difference]: Finished difference Result 53250 states and 59454 transitions. [2023-11-06 22:06:13,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:13,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 367 [2023-11-06 22:06:13,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:13,606 INFO L225 Difference]: With dead ends: 53250 [2023-11-06 22:06:13,606 INFO L226 Difference]: Without dead ends: 30131 [2023-11-06 22:06:13,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:13,619 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 287 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 1514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:13,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 359 Invalid, 1514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-06 22:06:13,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30131 states. [2023-11-06 22:06:13,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30131 to 22542. [2023-11-06 22:06:13,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22542 states, 22541 states have (on average 1.108735193647132) internal successors, (24992), 22541 states have internal predecessors, (24992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:13,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22542 states to 22542 states and 24992 transitions. [2023-11-06 22:06:13,961 INFO L78 Accepts]: Start accepts. Automaton has 22542 states and 24992 transitions. Word has length 367 [2023-11-06 22:06:13,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:13,961 INFO L495 AbstractCegarLoop]: Abstraction has 22542 states and 24992 transitions. [2023-11-06 22:06:13,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.0) internal successors, (272), 4 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 22542 states and 24992 transitions. [2023-11-06 22:06:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2023-11-06 22:06:13,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:13,978 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:13,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:06:13,978 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:13,979 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:13,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1805254862, now seen corresponding path program 1 times [2023-11-06 22:06:13,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:13,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527670050] [2023-11-06 22:06:13,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:13,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-06 22:06:14,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:14,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527670050] [2023-11-06 22:06:14,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527670050] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:06:14,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524434308] [2023-11-06 22:06:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:14,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:14,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:14,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:14,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:06:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:06:14,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-06 22:06:15,515 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-06 22:06:19,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524434308] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:06:19,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:06:19,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-11-06 22:06:19,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291922104] [2023-11-06 22:06:19,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:19,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:06:19,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:19,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:06:19,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:19,217 INFO L87 Difference]: Start difference. First operand 22542 states and 24992 transitions. Second operand has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 5 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:22,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:22,965 INFO L93 Difference]: Finished difference Result 50245 states and 55685 transitions. [2023-11-06 22:06:22,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:22,966 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 5 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 376 [2023-11-06 22:06:22,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:22,994 INFO L225 Difference]: With dead ends: 50245 [2023-11-06 22:06:22,994 INFO L226 Difference]: Without dead ends: 30285 [2023-11-06 22:06:23,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 749 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:23,005 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 343 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 2871 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 3019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 2871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:23,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 236 Invalid, 3019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 2871 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-06 22:06:23,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30285 states. [2023-11-06 22:06:23,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30285 to 21057. [2023-11-06 22:06:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21057 states, 21056 states have (on average 1.1078077507598785) internal successors, (23326), 21056 states have internal predecessors, (23326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21057 states to 21057 states and 23326 transitions. [2023-11-06 22:06:23,477 INFO L78 Accepts]: Start accepts. Automaton has 21057 states and 23326 transitions. Word has length 376 [2023-11-06 22:06:23,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:23,478 INFO L495 AbstractCegarLoop]: Abstraction has 21057 states and 23326 transitions. [2023-11-06 22:06:23,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 5 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand 21057 states and 23326 transitions. [2023-11-06 22:06:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2023-11-06 22:06:23,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:23,494 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:23,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:23,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:23,701 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:23,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:23,702 INFO L85 PathProgramCache]: Analyzing trace with hash 200929446, now seen corresponding path program 1 times [2023-11-06 22:06:23,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:23,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136713805] [2023-11-06 22:06:23,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:23,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,213 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-06 22:06:24,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:24,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136713805] [2023-11-06 22:06:24,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136713805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:24,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:24,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:24,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969785721] [2023-11-06 22:06:24,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:24,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:24,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:24,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:24,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:24,219 INFO L87 Difference]: Start difference. First operand 21057 states and 23326 transitions. Second operand has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:25,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:25,565 INFO L93 Difference]: Finished difference Result 41195 states and 45601 transitions. [2023-11-06 22:06:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:25,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 380 [2023-11-06 22:06:25,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:25,586 INFO L225 Difference]: With dead ends: 41195 [2023-11-06 22:06:25,587 INFO L226 Difference]: Without dead ends: 22720 [2023-11-06 22:06:25,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:25,597 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 298 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:25,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 54 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:06:25,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22720 states. [2023-11-06 22:06:25,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22720 to 20132. [2023-11-06 22:06:25,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20132 states, 20131 states have (on average 1.104465749341811) internal successors, (22234), 20131 states have internal predecessors, (22234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20132 states to 20132 states and 22234 transitions. [2023-11-06 22:06:25,920 INFO L78 Accepts]: Start accepts. Automaton has 20132 states and 22234 transitions. Word has length 380 [2023-11-06 22:06:25,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:25,921 INFO L495 AbstractCegarLoop]: Abstraction has 20132 states and 22234 transitions. [2023-11-06 22:06:25,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:25,921 INFO L276 IsEmpty]: Start isEmpty. Operand 20132 states and 22234 transitions. [2023-11-06 22:06:25,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2023-11-06 22:06:25,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:25,941 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:25,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:06:25,942 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:25,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:25,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1289156856, now seen corresponding path program 1 times [2023-11-06 22:06:25,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:25,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206439] [2023-11-06 22:06:25,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:25,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:26,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2023-11-06 22:06:26,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:26,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206439] [2023-11-06 22:06:26,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:26,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:26,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:26,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750791157] [2023-11-06 22:06:26,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:26,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:26,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:26,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:26,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:26,657 INFO L87 Difference]: Start difference. First operand 20132 states and 22234 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:27,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:27,739 INFO L93 Difference]: Finished difference Result 38806 states and 42836 transitions. [2023-11-06 22:06:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:27,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 574 [2023-11-06 22:06:27,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:27,777 INFO L225 Difference]: With dead ends: 38806 [2023-11-06 22:06:27,778 INFO L226 Difference]: Without dead ends: 20888 [2023-11-06 22:06:27,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:27,789 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 102 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:27,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 148 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:06:27,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20888 states. [2023-11-06 22:06:28,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20888 to 19948. [2023-11-06 22:06:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19948 states, 19947 states have (on average 1.0968065373239084) internal successors, (21878), 19947 states have internal predecessors, (21878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19948 states to 19948 states and 21878 transitions. [2023-11-06 22:06:28,136 INFO L78 Accepts]: Start accepts. Automaton has 19948 states and 21878 transitions. Word has length 574 [2023-11-06 22:06:28,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:28,137 INFO L495 AbstractCegarLoop]: Abstraction has 19948 states and 21878 transitions. [2023-11-06 22:06:28,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:28,138 INFO L276 IsEmpty]: Start isEmpty. Operand 19948 states and 21878 transitions. [2023-11-06 22:06:28,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2023-11-06 22:06:28,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:28,162 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:28,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:06:28,163 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:28,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:28,163 INFO L85 PathProgramCache]: Analyzing trace with hash -726561439, now seen corresponding path program 1 times [2023-11-06 22:06:28,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:28,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194127690] [2023-11-06 22:06:28,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:28,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2023-11-06 22:06:28,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:28,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194127690] [2023-11-06 22:06:28,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194127690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:28,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:28,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:28,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922092165] [2023-11-06 22:06:28,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:28,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:28,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:28,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:28,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:28,552 INFO L87 Difference]: Start difference. First operand 19948 states and 21878 transitions. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:29,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:29,578 INFO L93 Difference]: Finished difference Result 40809 states and 44751 transitions. [2023-11-06 22:06:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:29,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 575 [2023-11-06 22:06:29,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:29,583 INFO L225 Difference]: With dead ends: 40809 [2023-11-06 22:06:29,583 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:06:29,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:29,597 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 101 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:29,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 130 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:06:29,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:06:29,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:06:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:06:29,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 575 [2023-11-06 22:06:29,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:29,600 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:06:29,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:06:29,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:06:29,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:06:29,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:06:29,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:06:41,870 WARN L293 SmtUtils]: Spent 12.25s on a formula simplification. DAG size of input: 600 DAG size of output: 691 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-06 22:06:52,128 WARN L293 SmtUtils]: Spent 10.26s on a formula simplification. DAG size of input: 600 DAG size of output: 691 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-06 22:06:57,826 WARN L293 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 691 DAG size of output: 83 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-06 22:07:03,514 WARN L293 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 691 DAG size of output: 83 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-06 22:07:03,519 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-11-06 22:07:03,519 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,520 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-11-06 22:07:03,520 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,520 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,520 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,520 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,520 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,521 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,521 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2023-11-06 22:07:03,521 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-11-06 22:07:03,521 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-06 22:07:03,521 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,522 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,522 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,522 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,522 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,522 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,522 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,523 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,523 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,523 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,523 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-11-06 22:07:03,523 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2023-11-06 22:07:03,524 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-11-06 22:07:03,524 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,524 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-11-06 22:07:03,524 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-11-06 22:07:03,524 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,524 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,525 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,525 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,525 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,525 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,525 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2023-11-06 22:07:03,526 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2023-11-06 22:07:03,526 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-11-06 22:07:03,526 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,526 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,526 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,526 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,527 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-11-06 22:07:03,527 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-11-06 22:07:03,527 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,527 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,527 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,527 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,528 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,528 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,528 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2023-11-06 22:07:03,528 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2023-11-06 22:07:03,528 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-06 22:07:03,529 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2023-11-06 22:07:03,529 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,529 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,529 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,529 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,530 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,530 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,530 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,530 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2023-11-06 22:07:03,530 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2023-11-06 22:07:03,531 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-11-06 22:07:03,531 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,531 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,531 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,531 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,531 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,532 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,532 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,532 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,532 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,532 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2023-11-06 22:07:03,533 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2023-11-06 22:07:03,533 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-11-06 22:07:03,533 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,533 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse8 (= ~a25~0 9)) (.cse7 (<= (+ ~a23~0 43) 0)) (.cse9 (<= ~a29~0 140)) (.cse6 (= ~a25~0 13)) (.cse1 (<= ~a29~0 275)) (.cse5 (<= 130 ~a29~0)) (.cse14 (= ~a25~0 10)) (.cse15 (<= ~a29~0 130)) (.cse16 (<= ~a23~0 312)) (.cse13 (<= 307 ~a23~0)) (.cse0 (<= ~a29~0 599999)) (.cse3 (<= ~a23~0 262)) (.cse2 (<= ~a25~0 10)) (.cse11 (= ~a25~0 11)) (.cse4 (= ~a4~0 1)) (.cse17 (<= ~a23~0 137)) (.cse10 (= ~a25~0 12)) (.cse12 (<= (+ ~a29~0 275824) 0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse4) (and .cse7 .cse2 .cse4) (and .cse8 .cse4 .cse5))) (and .cse7 .cse0 .cse8) (and .cse9 .cse3 .cse8) (and .cse10 .cse0 .cse4 .cse5) (and .cse11 .cse12 .cse4) (and .cse1 .cse10 .cse5) (and .cse13 .cse0 .cse4 .cse14) (and .cse7 .cse11 .cse15) (and .cse9 .cse8 .cse4 .cse16) (and .cse10 .cse0 .cse17) (and .cse6 .cse7 .cse1 .cse5) (and .cse9 .cse3 .cse14) (and .cse11 .cse0 .cse4 .cse5) (and .cse1 .cse4 .cse14) (and .cse6 (<= (+ 35913 ~a29~0) 0) .cse17) (and .cse1 .cse11 .cse3 .cse5) (and .cse14 .cse15) (and (<= (+ ~a23~0 127601) 0) .cse11 .cse0) (and .cse11 .cse0 .cse4 .cse16) (and (<= 300138 ~a29~0) .cse13 .cse2 .cse0 .cse4) (and .cse0 (or (and .cse10 .cse3 .cse4) (and .cse2 (<= ~a29~0 220) .cse4 .cse17))) (and .cse11 .cse4 .cse17) (and .cse10 .cse12))) [2023-11-06 22:07:03,534 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,534 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,534 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,534 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,534 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,534 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,535 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,535 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,535 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2023-11-06 22:07:03,535 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2023-11-06 22:07:03,535 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-11-06 22:07:03,536 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-11-06 22:07:03,536 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-11-06 22:07:03,536 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-11-06 22:07:03,536 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-11-06 22:07:03,536 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,536 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,537 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,537 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,537 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,537 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,537 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,538 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,538 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,538 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,538 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:07:03,538 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2023-11-06 22:07:03,538 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2023-11-06 22:07:03,539 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-11-06 22:07:03,539 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-11-06 22:07:03,539 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,539 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,539 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,539 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,540 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,540 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-11-06 22:07:03,540 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2023-11-06 22:07:03,540 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-11-06 22:07:03,540 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,541 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,541 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,541 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,541 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-11-06 22:07:03,541 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-11-06 22:07:03,541 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,542 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,542 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,542 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,542 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,542 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,542 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-11-06 22:07:03,543 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-11-06 22:07:03,543 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,543 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,543 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2023-11-06 22:07:03,543 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2023-11-06 22:07:03,543 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2023-11-06 22:07:03,544 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:07:03,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2023-11-06 22:07:03,544 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,544 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,544 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,545 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,545 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,545 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,545 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,545 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2023-11-06 22:07:03,545 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-11-06 22:07:03,546 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-11-06 22:07:03,546 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-11-06 22:07:03,546 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-11-06 22:07:03,546 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-11-06 22:07:03,546 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-11-06 22:07:03,547 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,547 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,547 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-11-06 22:07:03,547 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-11-06 22:07:03,547 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,547 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,548 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,548 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,548 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,548 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2023-11-06 22:07:03,548 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-11-06 22:07:03,548 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-11-06 22:07:03,549 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,549 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,549 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,549 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,549 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,550 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,550 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2023-11-06 22:07:03,550 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2023-11-06 22:07:03,550 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-11-06 22:07:03,550 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,550 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,551 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,551 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,551 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,551 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,551 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,551 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,552 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2023-11-06 22:07:03,552 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-11-06 22:07:03,552 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-11-06 22:07:03,552 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,552 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,552 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,553 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,553 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,553 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,553 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,553 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,554 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,554 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,554 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,554 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-11-06 22:07:03,554 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-11-06 22:07:03,554 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-06 22:07:03,554 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-11-06 22:07:03,554 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-11-06 22:07:03,555 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,555 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,555 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,555 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,555 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,555 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,555 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,556 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-11-06 22:07:03,556 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2023-11-06 22:07:03,556 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-11-06 22:07:03,556 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,556 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,556 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,557 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-11-06 22:07:03,557 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-11-06 22:07:03,557 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,557 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,557 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,557 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,557 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,557 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-11-06 22:07:03,557 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-11-06 22:07:03,558 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,558 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,558 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-11-06 22:07:03,558 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-11-06 22:07:03,558 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,558 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,558 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,559 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,559 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,559 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,559 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2023-11-06 22:07:03,559 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-11-06 22:07:03,559 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-11-06 22:07:03,560 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-11-06 22:07:03,560 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,560 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,560 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,560 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,560 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,561 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,561 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,561 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,561 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-11-06 22:07:03,561 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-11-06 22:07:03,561 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-11-06 22:07:03,562 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-11-06 22:07:03,562 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-11-06 22:07:03,562 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-11-06 22:07:03,562 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,562 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,563 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,563 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,563 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,563 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,563 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,563 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2023-11-06 22:07:03,564 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-11-06 22:07:03,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:07:03,564 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:07:03,564 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,564 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,564 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,565 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,565 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,565 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,565 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2023-11-06 22:07:03,565 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-11-06 22:07:03,565 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,566 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 32 1036) the Hoare annotation is: (let ((.cse8 (= ~a25~0 9)) (.cse7 (<= (+ ~a23~0 43) 0)) (.cse9 (<= ~a29~0 140)) (.cse6 (= ~a25~0 13)) (.cse1 (<= ~a29~0 275)) (.cse5 (<= 130 ~a29~0)) (.cse14 (= ~a25~0 10)) (.cse15 (<= ~a29~0 130)) (.cse16 (<= ~a23~0 312)) (.cse13 (<= 307 ~a23~0)) (.cse0 (<= ~a29~0 599999)) (.cse3 (<= ~a23~0 262)) (.cse2 (<= ~a25~0 10)) (.cse11 (= ~a25~0 11)) (.cse4 (= ~a4~0 1)) (.cse17 (<= ~a23~0 137)) (.cse10 (= ~a25~0 12)) (.cse12 (<= (+ ~a29~0 275824) 0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse4) (and .cse7 .cse2 .cse4) (and .cse8 .cse4 .cse5))) (and .cse7 .cse0 .cse8) (and .cse9 .cse3 .cse8) (and .cse10 .cse0 .cse4 .cse5) (and .cse11 .cse12 .cse4) (and .cse1 .cse10 .cse5) (and .cse13 .cse0 .cse4 .cse14) (and .cse7 .cse11 .cse15) (and .cse9 .cse8 .cse4 .cse16) (and .cse10 .cse0 .cse17) (and .cse6 .cse7 .cse1 .cse5) (and .cse9 .cse3 .cse14) (and .cse11 .cse0 .cse4 .cse5) (and .cse1 .cse4 .cse14) (and .cse6 (<= (+ 35913 ~a29~0) 0) .cse17) (and .cse1 .cse11 .cse3 .cse5) (and .cse14 .cse15) (and (<= (+ ~a23~0 127601) 0) .cse11 .cse0) (and .cse11 .cse0 .cse4 .cse16) (and (<= 300138 ~a29~0) .cse13 .cse2 .cse0 .cse4) (and .cse0 (or (and .cse10 .cse3 .cse4) (and .cse2 (<= ~a29~0 220) .cse4 .cse17))) (and .cse11 .cse4 .cse17) (and .cse10 .cse12))) [2023-11-06 22:07:03,566 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,566 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,567 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,567 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,567 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,567 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,567 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-11-06 22:07:03,567 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-11-06 22:07:03,568 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,568 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,568 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2023-11-06 22:07:03,568 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-11-06 22:07:03,568 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-06 22:07:03,568 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-11-06 22:07:03,572 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:03,575 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:07:03,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:03 BoogieIcfgContainer [2023-11-06 22:07:03,610 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:07:03,611 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:07:03,611 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:07:03,611 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:07:03,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:26" (3/4) ... [2023-11-06 22:07:03,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:07:03,645 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 22:07:03,648 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:07:03,650 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:07:03,653 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:07:03,875 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:07:03,876 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:07:03,877 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:07:03,884 INFO L158 Benchmark]: Toolchain (without parser) took 101536.14ms. Allocated memory was 161.5MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 125.5MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 391.6MB. Max. memory is 16.1GB. [2023-11-06 22:07:03,884 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:03,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.83ms. Allocated memory is still 161.5MB. Free memory was 125.5MB in the beginning and 80.1MB in the end (delta: 45.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:03,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 243.84ms. Allocated memory is still 161.5MB. Free memory was 80.1MB in the beginning and 120.9MB in the end (delta: -40.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:03,886 INFO L158 Benchmark]: Boogie Preprocessor took 171.47ms. Allocated memory is still 161.5MB. Free memory was 120.9MB in the beginning and 111.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:07:03,888 INFO L158 Benchmark]: RCFGBuilder took 2629.04ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 111.3MB in the beginning and 143.5MB in the end (delta: -32.2MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-06 22:07:03,891 INFO L158 Benchmark]: TraceAbstraction took 97165.60ms. Allocated memory was 222.3MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 142.5MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-11-06 22:07:03,891 INFO L158 Benchmark]: Witness Printer took 265.73ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:07:03,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1043.83ms. Allocated memory is still 161.5MB. Free memory was 125.5MB in the beginning and 80.1MB in the end (delta: 45.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 243.84ms. Allocated memory is still 161.5MB. Free memory was 80.1MB in the beginning and 120.9MB in the end (delta: -40.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.47ms. Allocated memory is still 161.5MB. Free memory was 120.9MB in the beginning and 111.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2629.04ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 111.3MB in the beginning and 143.5MB in the end (delta: -32.2MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. * TraceAbstraction took 97165.60ms. Allocated memory was 222.3MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 142.5MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 265.73ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 190]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 97.0s, OverallIterations: 22, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 36.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 33.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4354 SdHoareTripleChecker+Valid, 31.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4354 mSDsluCounter, 4588 SdHoareTripleChecker+Invalid, 26.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 760 mSDsCounter, 2452 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19077 IncrementalHoareTripleChecker+Invalid, 21529 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2452 mSolverCounterUnsat, 3828 mSDtfsCounter, 19077 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1453 GetRequests, 1412 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25512occurred in iteration=16, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 35402 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 253 NumberOfFragments, 649 HoareAnnotationTreeSize, 3 FomulaSimplifications, 110944 FormulaSimplificationTreeSizeReduction, 22.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 36310 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 7419 NumberOfCodeBlocks, 7419 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 7769 ConstructedInterpolants, 0 QuantifiedInterpolants, 31576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1364 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 7411/7944 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a29 <= 599999) && ((((((((a29 <= 275) && (a25 <= 10)) && (a23 <= 262)) && (a4 == 1)) && (130 <= a29)) || ((a25 == 13) && (a4 == 1))) || ((((a23 + 43) <= 0) && (a25 <= 10)) && (a4 == 1))) || (((a25 == 9) && (a4 == 1)) && (130 <= a29)))) || ((((a23 + 43) <= 0) && (a29 <= 599999)) && (a25 == 9))) || (((a29 <= 140) && (a23 <= 262)) && (a25 == 9))) || ((((a25 == 12) && (a29 <= 599999)) && (a4 == 1)) && (130 <= a29))) || (((a25 == 11) && ((a29 + 275824) <= 0)) && (a4 == 1))) || (((a29 <= 275) && (a25 == 12)) && (130 <= a29))) || ((((307 <= a23) && (a29 <= 599999)) && (a4 == 1)) && (a25 == 10))) || ((((a23 + 43) <= 0) && (a25 == 11)) && (a29 <= 130))) || ((((a29 <= 140) && (a25 == 9)) && (a4 == 1)) && (a23 <= 312))) || (((a25 == 12) && (a29 <= 599999)) && (a23 <= 137))) || ((((a25 == 13) && ((a23 + 43) <= 0)) && (a29 <= 275)) && (130 <= a29))) || (((a29 <= 140) && (a23 <= 262)) && (a25 == 10))) || ((((a25 == 11) && (a29 <= 599999)) && (a4 == 1)) && (130 <= a29))) || (((a29 <= 275) && (a4 == 1)) && (a25 == 10))) || (((a25 == 13) && ((35913 + a29) <= 0)) && (a23 <= 137))) || ((((a29 <= 275) && (a25 == 11)) && (a23 <= 262)) && (130 <= a29))) || ((a25 == 10) && (a29 <= 130))) || ((((a23 + 127601) <= 0) && (a25 == 11)) && (a29 <= 599999))) || ((((a25 == 11) && (a29 <= 599999)) && (a4 == 1)) && (a23 <= 312))) || (((((300138 <= a29) && (307 <= a23)) && (a25 <= 10)) && (a29 <= 599999)) && (a4 == 1))) || ((a29 <= 599999) && ((((a25 == 12) && (a23 <= 262)) && (a4 == 1)) || ((((a25 <= 10) && (a29 <= 220)) && (a4 == 1)) && (a23 <= 137))))) || (((a25 == 11) && (a4 == 1)) && (a23 <= 137))) || ((a25 == 12) && ((a29 + 275824) <= 0))) - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a29 <= 599999) && ((((((((a29 <= 275) && (a25 <= 10)) && (a23 <= 262)) && (a4 == 1)) && (130 <= a29)) || ((a25 == 13) && (a4 == 1))) || ((((a23 + 43) <= 0) && (a25 <= 10)) && (a4 == 1))) || (((a25 == 9) && (a4 == 1)) && (130 <= a29)))) || ((((a23 + 43) <= 0) && (a29 <= 599999)) && (a25 == 9))) || (((a29 <= 140) && (a23 <= 262)) && (a25 == 9))) || ((((a25 == 12) && (a29 <= 599999)) && (a4 == 1)) && (130 <= a29))) || (((a25 == 11) && ((a29 + 275824) <= 0)) && (a4 == 1))) || (((a29 <= 275) && (a25 == 12)) && (130 <= a29))) || ((((307 <= a23) && (a29 <= 599999)) && (a4 == 1)) && (a25 == 10))) || ((((a23 + 43) <= 0) && (a25 == 11)) && (a29 <= 130))) || ((((a29 <= 140) && (a25 == 9)) && (a4 == 1)) && (a23 <= 312))) || (((a25 == 12) && (a29 <= 599999)) && (a23 <= 137))) || ((((a25 == 13) && ((a23 + 43) <= 0)) && (a29 <= 275)) && (130 <= a29))) || (((a29 <= 140) && (a23 <= 262)) && (a25 == 10))) || ((((a25 == 11) && (a29 <= 599999)) && (a4 == 1)) && (130 <= a29))) || (((a29 <= 275) && (a4 == 1)) && (a25 == 10))) || (((a25 == 13) && ((35913 + a29) <= 0)) && (a23 <= 137))) || ((((a29 <= 275) && (a25 == 11)) && (a23 <= 262)) && (130 <= a29))) || ((a25 == 10) && (a29 <= 130))) || ((((a23 + 127601) <= 0) && (a25 == 11)) && (a29 <= 599999))) || ((((a25 == 11) && (a29 <= 599999)) && (a4 == 1)) && (a23 <= 312))) || (((((300138 <= a29) && (307 <= a23)) && (a25 <= 10)) && (a29 <= 599999)) && (a4 == 1))) || ((a29 <= 599999) && ((((a25 == 12) && (a23 <= 262)) && (a4 == 1)) || ((((a25 <= 10) && (a29 <= 220)) && (a4 == 1)) && (a23 <= 137))))) || (((a25 == 11) && (a4 == 1)) && (a23 <= 137))) || ((a25 == 12) && ((a29 + 275824) <= 0))) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:07:03,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea45567-f135-47ee-bd73-44fc7f8f6a95/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE