./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 dfc7a2daf16de8ab0ea0e11c62b30033c40981748d5071b1cd9dbc5bcc0c3347 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:08,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:09,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:03:09,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:09,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:09,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:09,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:09,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:09,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:09,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:09,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:09,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:09,067 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:09,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:09,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:03:09,069 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:03:09,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:09,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:03:09,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:09,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:03:09,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:09,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:03:09,073 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:03:09,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:03:09,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:09,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:09,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:09,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:09,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:09,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:09,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:09,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:03:09,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:03:09,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:03:09,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:09,079 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:03:09,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:09,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:09,081 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:09,081 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_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfc7a2daf16de8ab0ea0e11c62b30033c40981748d5071b1cd9dbc5bcc0c3347 [2023-11-12 02:03:09,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:09,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:09,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:09,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:09,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:09,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2023-11-12 02:03:12,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:12,828 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:12,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2023-11-12 02:03:12,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/data/8cdd0a51d/6d5a3086675743ae8ffbf7c7e4913d4a/FLAGf9c98637b [2023-11-12 02:03:12,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/data/8cdd0a51d/6d5a3086675743ae8ffbf7c7e4913d4a [2023-11-12 02:03:12,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:12,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:12,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:12,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:12,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:12,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:12" (1/1) ... [2023-11-12 02:03:12,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780a6697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:12, skipping insertion in model container [2023-11-12 02:03:12,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:12" (1/1) ... [2023-11-12 02:03:12,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:13,274 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_3f623b08-177c-4324-912c-0d28f46b3a1b/sv-benchmarks/c/eca-rers2012/Problem02_label04.c[17470,17483] [2023-11-12 02:03:13,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:13,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:03:13,458 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_3f623b08-177c-4324-912c-0d28f46b3a1b/sv-benchmarks/c/eca-rers2012/Problem02_label04.c[17470,17483] [2023-11-12 02:03:13,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:13,503 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:03:13,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13 WrapperNode [2023-11-12 02:03:13,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:13,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:13,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:03:13,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:03:13,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,591 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 669 [2023-11-12 02:03:13,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:13,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:03:13,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:03:13,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:03:13,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:03:13,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:03:13,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:03:13,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:03:13,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:13,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:13,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:13,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:03:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:03:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:03:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:03:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:03:13,895 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:03:13,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:03:15,010 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:03:15,019 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:03:15,019 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:03:15,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:15 BoogieIcfgContainer [2023-11-12 02:03:15,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:03:15,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:03:15,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:03:15,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:03:15,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:03:12" (1/3) ... [2023-11-12 02:03:15,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b2940a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:15, skipping insertion in model container [2023-11-12 02:03:15,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (2/3) ... [2023-11-12 02:03:15,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b2940a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:15, skipping insertion in model container [2023-11-12 02:03:15,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:15" (3/3) ... [2023-11-12 02:03:15,031 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label04.c [2023-11-12 02:03:15,051 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:03:15,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:03:15,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:03:15,116 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fc3bd2d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:03:15,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:03:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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) [2023-11-12 02:03:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-12 02:03:15,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:15,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:15,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:15,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:15,142 INFO L85 PathProgramCache]: Analyzing trace with hash 585738029, now seen corresponding path program 1 times [2023-11-12 02:03:15,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:15,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464136047] [2023-11-12 02:03:15,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:15,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:15,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:15,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464136047] [2023-11-12 02:03:15,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464136047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:15,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:15,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:03:15,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914158260] [2023-11-12 02:03:15,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:15,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:15,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:15,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:15,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:15,912 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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) [2023-11-12 02:03:16,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:16,910 INFO L93 Difference]: Finished difference Result 600 states and 1037 transitions. [2023-11-12 02:03:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:16,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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 106 [2023-11-12 02:03:16,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:16,938 INFO L225 Difference]: With dead ends: 600 [2023-11-12 02:03:16,938 INFO L226 Difference]: Without dead ends: 309 [2023-11-12 02:03:16,943 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 [2023-11-12 02:03:16,947 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 60 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:16,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 171 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 02:03:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-11-12 02:03:17,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2023-11-12 02:03:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 306 states have (on average 1.3300653594771241) internal successors, (407), 306 states have internal predecessors, (407), 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) [2023-11-12 02:03:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2023-11-12 02:03:17,005 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 106 [2023-11-12 02:03:17,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:17,006 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 407 transitions. [2023-11-12 02:03:17,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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) [2023-11-12 02:03:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions. [2023-11-12 02:03:17,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-12 02:03:17,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:17,018 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:17,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:03:17,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:17,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:17,026 INFO L85 PathProgramCache]: Analyzing trace with hash 318496888, now seen corresponding path program 1 times [2023-11-12 02:03:17,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:17,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47644237] [2023-11-12 02:03:17,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:17,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:17,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:17,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:17,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47644237] [2023-11-12 02:03:17,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47644237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:17,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:17,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:03:17,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387185881] [2023-11-12 02:03:17,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:17,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:17,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:17,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:17,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:17,295 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2023-11-12 02:03:17,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:17,887 INFO L93 Difference]: Finished difference Result 758 states and 1034 transitions. [2023-11-12 02:03:17,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:17,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 111 [2023-11-12 02:03:17,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:17,891 INFO L225 Difference]: With dead ends: 758 [2023-11-12 02:03:17,891 INFO L226 Difference]: Without dead ends: 453 [2023-11-12 02:03:17,893 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 [2023-11-12 02:03:17,894 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 58 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:17,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 248 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:03:17,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-11-12 02:03:17,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2023-11-12 02:03:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 452 states have (on average 1.2787610619469028) internal successors, (578), 452 states have internal predecessors, (578), 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) [2023-11-12 02:03:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 578 transitions. [2023-11-12 02:03:17,922 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 578 transitions. Word has length 111 [2023-11-12 02:03:17,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:17,923 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 578 transitions. [2023-11-12 02:03:17,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2023-11-12 02:03:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 578 transitions. [2023-11-12 02:03:17,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-12 02:03:17,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:17,925 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:17,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:03:17,926 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:17,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:17,927 INFO L85 PathProgramCache]: Analyzing trace with hash 924088573, now seen corresponding path program 1 times [2023-11-12 02:03:17,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:17,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218120578] [2023-11-12 02:03:17,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:17,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:18,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:18,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218120578] [2023-11-12 02:03:18,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218120578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:18,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:18,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:03:18,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905493300] [2023-11-12 02:03:18,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:18,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:18,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:18,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:18,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:18,113 INFO L87 Difference]: Start difference. First operand 453 states and 578 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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) [2023-11-12 02:03:18,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:18,651 INFO L93 Difference]: Finished difference Result 1325 states and 1691 transitions. [2023-11-12 02:03:18,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:18,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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 123 [2023-11-12 02:03:18,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:18,661 INFO L225 Difference]: With dead ends: 1325 [2023-11-12 02:03:18,662 INFO L226 Difference]: Without dead ends: 874 [2023-11-12 02:03:18,668 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 [2023-11-12 02:03:18,672 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 185 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:18,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 79 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:03:18,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2023-11-12 02:03:18,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2023-11-12 02:03:18,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 873 states have (on average 1.2302405498281788) internal successors, (1074), 873 states have internal predecessors, (1074), 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) [2023-11-12 02:03:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1074 transitions. [2023-11-12 02:03:18,737 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1074 transitions. Word has length 123 [2023-11-12 02:03:18,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:18,741 INFO L495 AbstractCegarLoop]: Abstraction has 874 states and 1074 transitions. [2023-11-12 02:03:18,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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) [2023-11-12 02:03:18,742 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1074 transitions. [2023-11-12 02:03:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 02:03:18,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:18,758 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:18,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:03:18,758 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:18,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:18,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1386859920, now seen corresponding path program 1 times [2023-11-12 02:03:18,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:18,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090067480] [2023-11-12 02:03:18,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:18,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:19,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:19,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090067480] [2023-11-12 02:03:19,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090067480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:19,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:19,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:03:19,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968617103] [2023-11-12 02:03:19,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:19,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:19,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:19,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:19,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:19,011 INFO L87 Difference]: Start difference. First operand 874 states and 1074 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2023-11-12 02:03:19,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:19,567 INFO L93 Difference]: Finished difference Result 2594 states and 3192 transitions. [2023-11-12 02:03:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:19,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 136 [2023-11-12 02:03:19,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:19,579 INFO L225 Difference]: With dead ends: 2594 [2023-11-12 02:03:19,579 INFO L226 Difference]: Without dead ends: 1722 [2023-11-12 02:03:19,581 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 [2023-11-12 02:03:19,592 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 57 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:19,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 290 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:03:19,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2023-11-12 02:03:19,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1716. [2023-11-12 02:03:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1716 states, 1715 states have (on average 1.1900874635568512) internal successors, (2041), 1715 states have internal predecessors, (2041), 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) [2023-11-12 02:03:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1716 states and 2041 transitions. [2023-11-12 02:03:19,654 INFO L78 Accepts]: Start accepts. Automaton has 1716 states and 2041 transitions. Word has length 136 [2023-11-12 02:03:19,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:19,655 INFO L495 AbstractCegarLoop]: Abstraction has 1716 states and 2041 transitions. [2023-11-12 02:03:19,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2023-11-12 02:03:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2041 transitions. [2023-11-12 02:03:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-12 02:03:19,659 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:19,659 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:19,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:03:19,660 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:19,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:19,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1212192576, now seen corresponding path program 1 times [2023-11-12 02:03:19,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:19,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474920173] [2023-11-12 02:03:19,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:19,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-12 02:03:19,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:19,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474920173] [2023-11-12 02:03:19,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474920173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:19,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:19,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:03:19,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233672215] [2023-11-12 02:03:19,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:19,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:19,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:19,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:19,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:19,838 INFO L87 Difference]: Start difference. First operand 1716 states and 2041 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-11-12 02:03:20,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:20,407 INFO L93 Difference]: Finished difference Result 3852 states and 4554 transitions. [2023-11-12 02:03:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:20,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 152 [2023-11-12 02:03:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:20,418 INFO L225 Difference]: With dead ends: 3852 [2023-11-12 02:03:20,419 INFO L226 Difference]: Without dead ends: 1856 [2023-11-12 02:03:20,421 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 [2023-11-12 02:03:20,422 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 158 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:20,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 66 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:03:20,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2023-11-12 02:03:20,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1854. [2023-11-12 02:03:20,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1854 states, 1853 states have (on average 1.119805720453319) internal successors, (2075), 1853 states have internal predecessors, (2075), 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) [2023-11-12 02:03:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1854 states and 2075 transitions. [2023-11-12 02:03:20,474 INFO L78 Accepts]: Start accepts. Automaton has 1854 states and 2075 transitions. Word has length 152 [2023-11-12 02:03:20,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:20,475 INFO L495 AbstractCegarLoop]: Abstraction has 1854 states and 2075 transitions. [2023-11-12 02:03:20,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-11-12 02:03:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2075 transitions. [2023-11-12 02:03:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 02:03:20,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:20,479 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:20,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:03:20,480 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:20,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:20,480 INFO L85 PathProgramCache]: Analyzing trace with hash -145608568, now seen corresponding path program 1 times [2023-11-12 02:03:20,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:20,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278668421] [2023-11-12 02:03:20,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:20,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:20,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:20,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278668421] [2023-11-12 02:03:20,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278668421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:20,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:20,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:03:20,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266636190] [2023-11-12 02:03:20,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:20,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:20,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:20,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:20,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:20,650 INFO L87 Difference]: Start difference. First operand 1854 states and 2075 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2023-11-12 02:03:21,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:21,162 INFO L93 Difference]: Finished difference Result 4404 states and 4920 transitions. [2023-11-12 02:03:21,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:21,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 153 [2023-11-12 02:03:21,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:21,175 INFO L225 Difference]: With dead ends: 4404 [2023-11-12 02:03:21,175 INFO L226 Difference]: Without dead ends: 2412 [2023-11-12 02:03:21,178 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 [2023-11-12 02:03:21,179 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 74 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:21,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 70 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:03:21,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2023-11-12 02:03:21,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2272. [2023-11-12 02:03:21,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2272 states, 2271 states have (on average 1.095112285336856) internal successors, (2487), 2271 states have internal predecessors, (2487), 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) [2023-11-12 02:03:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2487 transitions. [2023-11-12 02:03:21,238 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2487 transitions. Word has length 153 [2023-11-12 02:03:21,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:21,239 INFO L495 AbstractCegarLoop]: Abstraction has 2272 states and 2487 transitions. [2023-11-12 02:03:21,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2023-11-12 02:03:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2487 transitions. [2023-11-12 02:03:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-12 02:03:21,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:21,244 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:21,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:03:21,245 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:21,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:21,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1045227919, now seen corresponding path program 1 times [2023-11-12 02:03:21,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:21,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646766064] [2023-11-12 02:03:21,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:21,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-12 02:03:21,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:21,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646766064] [2023-11-12 02:03:21,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646766064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:21,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:21,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:03:21,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032185055] [2023-11-12 02:03:21,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:21,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:21,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:21,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:21,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:21,447 INFO L87 Difference]: Start difference. First operand 2272 states and 2487 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 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) [2023-11-12 02:03:21,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:21,721 INFO L93 Difference]: Finished difference Result 4248 states and 4654 transitions. [2023-11-12 02:03:21,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:21,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 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 165 [2023-11-12 02:03:21,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:21,731 INFO L225 Difference]: With dead ends: 4248 [2023-11-12 02:03:21,731 INFO L226 Difference]: Without dead ends: 1836 [2023-11-12 02:03:21,735 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 [2023-11-12 02:03:21,738 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 154 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:21,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 18 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:03:21,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2023-11-12 02:03:21,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1556. [2023-11-12 02:03:21,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1555 states have (on average 1.0771704180064308) internal successors, (1675), 1555 states have internal predecessors, (1675), 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) [2023-11-12 02:03:21,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 1675 transitions. [2023-11-12 02:03:21,783 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 1675 transitions. Word has length 165 [2023-11-12 02:03:21,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:21,784 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 1675 transitions. [2023-11-12 02:03:21,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 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) [2023-11-12 02:03:21,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1675 transitions. [2023-11-12 02:03:21,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-12 02:03:21,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:21,788 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:21,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:03:21,789 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:03:21,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:21,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1306375099, now seen corresponding path program 1 times [2023-11-12 02:03:21,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:21,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380771784] [2023-11-12 02:03:21,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:21,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:22,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:22,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380771784] [2023-11-12 02:03:22,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380771784] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:03:22,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970705942] [2023-11-12 02:03:22,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:22,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:03:22,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:22,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:03:22,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:03:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:22,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:22,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-12 02:03:22,937 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:22,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970705942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:22,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:03:22,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-12 02:03:22,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113512146] [2023-11-12 02:03:22,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:22,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:22,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:22,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:22,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:03:22,940 INFO L87 Difference]: Start difference. First operand 1556 states and 1675 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2023-11-12 02:03:23,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:23,365 INFO L93 Difference]: Finished difference Result 2967 states and 3202 transitions. [2023-11-12 02:03:23,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:23,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 180 [2023-11-12 02:03:23,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:23,367 INFO L225 Difference]: With dead ends: 2967 [2023-11-12 02:03:23,367 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:03:23,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:03:23,370 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 67 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:23,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 27 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:03:23,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:03:23,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:03:23,372 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) [2023-11-12 02:03:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:03:23,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2023-11-12 02:03:23,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:23,372 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:03:23,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2023-11-12 02:03:23,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:03:23,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:03:23,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:03:23,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:03:23,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-12 02:03:23,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:03:23,754 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,754 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,754 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,754 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-11-12 02:03:23,755 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-11-12 02:03:23,755 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-11-12 02:03:23,755 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-11-12 02:03:23,755 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-11-12 02:03:23,755 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-11-12 02:03:23,755 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-11-12 02:03:23,755 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-11-12 02:03:23,755 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,755 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,756 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,756 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-11-12 02:03:23,756 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-11-12 02:03:23,756 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-11-12 02:03:23,756 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-11-12 02:03:23,756 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-11-12 02:03:23,756 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,756 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,756 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,757 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-11-12 02:03:23,757 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-11-12 02:03:23,757 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-11-12 02:03:23,757 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-11-12 02:03:23,757 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-11-12 02:03:23,757 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-11-12 02:03:23,757 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-11-12 02:03:23,757 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-11-12 02:03:23,757 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-11-12 02:03:23,757 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-11-12 02:03:23,758 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,758 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,758 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,758 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-11-12 02:03:23,758 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-11-12 02:03:23,758 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-11-12 02:03:23,758 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-11-12 02:03:23,758 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-11-12 02:03:23,758 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-11-12 02:03:23,759 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-11-12 02:03:23,759 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,759 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,759 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,759 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-11-12 02:03:23,759 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-11-12 02:03:23,759 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-11-12 02:03:23,759 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-11-12 02:03:23,759 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-11-12 02:03:23,759 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-11-12 02:03:23,760 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-11-12 02:03:23,760 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,760 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,760 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,760 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-11-12 02:03:23,760 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-11-12 02:03:23,760 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-11-12 02:03:23,760 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-11-12 02:03:23,760 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-11-12 02:03:23,761 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,761 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,761 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,761 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-11-12 02:03:23,766 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-11-12 02:03:23,767 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-11-12 02:03:23,767 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-11-12 02:03:23,767 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-11-12 02:03:23,767 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-11-12 02:03:23,767 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-11-12 02:03:23,768 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-11-12 02:03:23,768 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,768 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,768 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,768 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-11-12 02:03:23,768 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:03:23,769 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-11-12 02:03:23,769 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-11-12 02:03:23,769 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-11-12 02:03:23,769 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-11-12 02:03:23,769 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-11-12 02:03:23,769 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-11-12 02:03:23,770 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-11-12 02:03:23,770 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,770 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,770 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,770 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-11-12 02:03:23,770 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-11-12 02:03:23,771 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-11-12 02:03:23,771 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-11-12 02:03:23,771 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-11-12 02:03:23,771 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-11-12 02:03:23,771 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-11-12 02:03:23,771 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-11-12 02:03:23,772 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-11-12 02:03:23,772 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,772 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,772 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,772 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-11-12 02:03:23,772 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-11-12 02:03:23,773 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-11-12 02:03:23,773 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-11-12 02:03:23,773 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-11-12 02:03:23,773 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-11-12 02:03:23,773 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:03:23,773 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 500) no Hoare annotation was computed. [2023-11-12 02:03:23,774 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,774 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,774 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,774 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-11-12 02:03:23,774 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-11-12 02:03:23,774 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-11-12 02:03:23,775 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-11-12 02:03:23,775 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-11-12 02:03:23,775 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-11-12 02:03:23,775 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-11-12 02:03:23,775 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-11-12 02:03:23,775 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,776 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,776 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,776 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-11-12 02:03:23,776 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-11-12 02:03:23,776 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-11-12 02:03:23,776 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-11-12 02:03:23,777 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-11-12 02:03:23,777 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,777 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,777 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,777 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-11-12 02:03:23,778 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-11-12 02:03:23,778 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-11-12 02:03:23,778 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-11-12 02:03:23,778 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-11-12 02:03:23,778 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-11-12 02:03:23,778 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-11-12 02:03:23,779 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-11-12 02:03:23,779 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-11-12 02:03:23,779 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-11-12 02:03:23,779 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-11-12 02:03:23,779 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,779 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,780 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-11-12 02:03:23,780 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-11-12 02:03:23,781 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-11-12 02:03:23,781 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-11-12 02:03:23,781 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-11-12 02:03:23,781 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-11-12 02:03:23,781 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-11-12 02:03:23,782 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-11-12 02:03:23,782 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-11-12 02:03:23,782 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,782 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,782 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-11-12 02:03:23,782 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-11-12 02:03:23,783 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-11-12 02:03:23,783 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-11-12 02:03:23,783 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-11-12 02:03:23,783 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-11-12 02:03:23,783 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 627) no Hoare annotation was computed. [2023-11-12 02:03:23,783 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,784 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,784 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-11-12 02:03:23,784 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-11-12 02:03:23,784 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-11-12 02:03:23,784 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-11-12 02:03:23,784 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-11-12 02:03:23,785 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-11-12 02:03:23,785 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-11-12 02:03:23,785 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-11-12 02:03:23,785 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-11-12 02:03:23,785 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,785 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,786 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-11-12 02:03:23,786 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-11-12 02:03:23,786 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-11-12 02:03:23,786 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-11-12 02:03:23,786 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-11-12 02:03:23,786 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-11-12 02:03:23,787 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (= ~a28~0 10)) (.cse3 (<= ~a17~0 8)) (.cse0 (= ~a17~0 8)) (.cse7 (<= ~a28~0 10)) (.cse4 (= ~a25~0 1)) (.cse5 (= ~a19~0 1)) (.cse6 (not (= ~a11~0 1))) (.cse1 (<= ~a28~0 7))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6) (and .cse2 .cse5) (and .cse0 .cse7 .cse5) (and .cse4 .cse3 .cse7) (and .cse0 .cse7 .cse6) (and .cse4 .cse5 .cse6 .cse1))) [2023-11-12 02:03:23,787 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,787 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,787 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-11-12 02:03:23,788 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-11-12 02:03:23,788 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-11-12 02:03:23,788 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-11-12 02:03:23,788 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-11-12 02:03:23,788 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,788 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,789 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-11-12 02:03:23,789 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-11-12 02:03:23,789 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-11-12 02:03:23,789 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-11-12 02:03:23,789 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-11-12 02:03:23,792 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-11-12 02:03:23,792 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-11-12 02:03:23,792 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-11-12 02:03:23,792 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-11-12 02:03:23,792 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,792 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,793 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-11-12 02:03:23,793 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:03:23,793 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-11-12 02:03:23,793 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-11-12 02:03:23,793 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-11-12 02:03:23,794 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-11-12 02:03:23,794 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-11-12 02:03:23,794 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:03:23,794 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-11-12 02:03:23,794 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,794 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,795 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,795 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-11-12 02:03:23,795 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-11-12 02:03:23,795 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-11-12 02:03:23,795 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-11-12 02:03:23,795 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-11-12 02:03:23,796 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,796 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,796 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,796 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-11-12 02:03:23,796 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-11-12 02:03:23,796 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-11-12 02:03:23,797 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-11-12 02:03:23,797 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-11-12 02:03:23,797 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-11-12 02:03:23,797 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-11-12 02:03:23,800 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:23,802 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:03:23,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:03:23 BoogieIcfgContainer [2023-11-12 02:03:23,825 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:03:23,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:03:23,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:03:23,827 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:03:23,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:15" (3/4) ... [2023-11-12 02:03:23,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:03:23,855 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 02:03:23,857 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:03:23,858 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:03:23,860 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:03:24,050 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:03:24,051 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:03:24,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:03:24,052 INFO L158 Benchmark]: Toolchain (without parser) took 11165.63ms. Allocated memory was 176.2MB in the beginning and 262.1MB in the end (delta: 86.0MB). Free memory was 142.4MB in the beginning and 171.8MB in the end (delta: -29.4MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2023-11-12 02:03:24,052 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 91.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:24,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.90ms. Allocated memory is still 176.2MB. Free memory was 141.9MB in the beginning and 115.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 02:03:24,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.32ms. Allocated memory is still 176.2MB. Free memory was 115.2MB in the beginning and 109.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:03:24,053 INFO L158 Benchmark]: Boogie Preprocessor took 127.24ms. Allocated memory is still 176.2MB. Free memory was 109.4MB in the beginning and 105.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:03:24,054 INFO L158 Benchmark]: RCFGBuilder took 1301.43ms. Allocated memory is still 176.2MB. Free memory was 105.1MB in the beginning and 88.0MB in the end (delta: 17.2MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-12 02:03:24,054 INFO L158 Benchmark]: TraceAbstraction took 8800.92ms. Allocated memory was 176.2MB in the beginning and 262.1MB in the end (delta: 86.0MB). Free memory was 87.1MB in the beginning and 184.4MB in the end (delta: -97.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:24,055 INFO L158 Benchmark]: Witness Printer took 224.72ms. Allocated memory is still 262.1MB. Free memory was 184.4MB in the beginning and 171.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:03:24,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 91.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.90ms. Allocated memory is still 176.2MB. Free memory was 141.9MB in the beginning and 115.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.32ms. Allocated memory is still 176.2MB. Free memory was 115.2MB in the beginning and 109.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.24ms. Allocated memory is still 176.2MB. Free memory was 109.4MB in the beginning and 105.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1301.43ms. Allocated memory is still 176.2MB. Free memory was 105.1MB in the beginning and 88.0MB in the end (delta: 17.2MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8800.92ms. Allocated memory was 176.2MB in the beginning and 262.1MB in the end (delta: 86.0MB). Free memory was 87.1MB in the beginning and 184.4MB in the end (delta: -97.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 224.72ms. Allocated memory is still 262.1MB. Free memory was 184.4MB in the beginning and 171.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. 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: 500]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 813 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 813 mSDsluCounter, 969 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 101 mSDsCounter, 560 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2663 IncrementalHoareTripleChecker+Invalid, 3223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 560 mSolverCounterUnsat, 868 mSDtfsCounter, 2663 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=6, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 430 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 16 NumberOfFragments, 81 HoareAnnotationTreeSize, 1 FomulaSimplifications, 51 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 133 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1306 NumberOfCodeBlocks, 1306 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1297 ConstructedInterpolants, 0 QuantifiedInterpolants, 5112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 303 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 394/410 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: 616]: Loop Invariant Derived loop invariant: (((((((((a17 == 8) && (a28 <= 7)) || ((a28 == 10) && (a17 <= 8))) || ((((a17 == 8) && (a25 == 1)) && (a19 == 1)) && !((a11 == 1)))) || ((a28 == 10) && (a19 == 1))) || (((a17 == 8) && (a28 <= 10)) && (a19 == 1))) || (((a25 == 1) && (a17 <= 8)) && (a28 <= 10))) || (((a17 == 8) && (a28 <= 10)) && !((a11 == 1)))) || ((((a25 == 1) && (a19 == 1)) && !((a11 == 1))) && (a28 <= 7))) RESULT: Ultimate proved your program to be correct! [2023-11-12 02:03:24,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f623b08-177c-4324-912c-0d28f46b3a1b/bin/uautomizer-verify-uTZkv6EMXl/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