./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0451b84ecb7a9b49daa0d007f78b5b7787a8fa890fb4c838a3b9a1c5be28a03a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:03:42,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:42,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:42,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:42,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:42,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:42,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:42,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:42,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:42,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:42,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:42,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:42,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:42,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:42,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:42,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:42,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:42,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:42,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:42,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:42,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:42,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:42,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:43,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:43,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:43,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:43,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:43,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:43,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:43,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:43,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:43,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:43,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:43,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:43,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:43,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:43,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:43,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:43,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:43,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:43,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:43,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:03:43,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:43,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:43,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:43,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:43,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:43,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:43,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:43,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:43,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:03:43,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:43,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:43,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:43,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:43,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:43,083 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:43,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:43,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:43,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:43,083 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:43,084 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:43,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:43,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:43,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:43,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:43,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:43,085 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:03:43,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:03:43,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:43,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0451b84ecb7a9b49daa0d007f78b5b7787a8fa890fb4c838a3b9a1c5be28a03a [2021-11-23 01:03:43,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:43,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:43,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:43,432 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:43,434 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:43,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 01:03:43,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/data/23f12748d/79826c9a60c34482bb5bf2daaaaffeca/FLAG5f6e07de6 [2021-11-23 01:03:44,004 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:44,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 01:03:44,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/data/23f12748d/79826c9a60c34482bb5bf2daaaaffeca/FLAG5f6e07de6 [2021-11-23 01:03:44,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/data/23f12748d/79826c9a60c34482bb5bf2daaaaffeca [2021-11-23 01:03:44,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:44,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:44,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:44,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:44,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:44,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5796c368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44, skipping insertion in model container [2021-11-23 01:03:44,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:44,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:44,665 WARN L230 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_dfe0985b-0851-4acb-be9b-936bb0d75206/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4411,4424] [2021-11-23 01:03:44,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:44,711 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:44,743 WARN L230 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_dfe0985b-0851-4acb-be9b-936bb0d75206/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4411,4424] [2021-11-23 01:03:44,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:44,774 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:44,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44 WrapperNode [2021-11-23 01:03:44,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:44,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:44,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:44,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:44,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,831 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 316 [2021-11-23 01:03:44,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:44,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:44,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:44,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:44,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:44,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:44,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:44,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:44,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:44,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:44,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:44,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe0985b-0851-4acb-be9b-936bb0d75206/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:03:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:45,147 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:45,148 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:45,543 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:45,655 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:45,656 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:03:45,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:45 BoogieIcfgContainer [2021-11-23 01:03:45,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:03:45,660 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:03:45,660 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:03:45,671 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:03:45,671 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:03:45,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 95 transitions. [2021-11-23 01:03:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2021-11-23 01:03:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:03:45,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:45,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 61 states and 96 transitions. [2021-11-23 01:03:46,117 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 96 transitions. [2021-11-23 01:03:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:03:46,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 105 transitions. [2021-11-23 01:03:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2021-11-23 01:03:46,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:03:46,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 110 transitions. [2021-11-23 01:03:46,361 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 110 transitions. [2021-11-23 01:03:46,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:03:46,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 110 transitions. [2021-11-23 01:03:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2021-11-23 01:03:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:03:46,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 82 states and 129 transitions. [2021-11-23 01:03:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 129 transitions. [2021-11-23 01:03:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:03:46,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 85 states and 134 transitions. [2021-11-23 01:03:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 134 transitions. [2021-11-23 01:03:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:03:46,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 86 states and 134 transitions. [2021-11-23 01:03:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 134 transitions. [2021-11-23 01:03:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:03:46,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 89 states and 139 transitions. [2021-11-23 01:03:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2021-11-23 01:03:46,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:03:46,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 90 states and 139 transitions. [2021-11-23 01:03:46,961 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 139 transitions. [2021-11-23 01:03:46,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:03:46,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 151 transitions. [2021-11-23 01:03:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2021-11-23 01:03:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:03:47,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:47,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:49,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 110 states and 168 transitions. [2021-11-23 01:03:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 168 transitions. [2021-11-23 01:03:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:03:49,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:49,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 118 states and 182 transitions. [2021-11-23 01:03:52,197 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2021-11-23 01:03:52,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:03:52,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:00,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 136 states and 223 transitions. [2021-11-23 01:04:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 223 transitions. [2021-11-23 01:04:00,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:04:00,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:00,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 149 states and 247 transitions. [2021-11-23 01:04:08,739 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 247 transitions. [2021-11-23 01:04:08,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:04:08,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:08,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:11,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 157 states and 260 transitions. [2021-11-23 01:04:11,027 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 260 transitions. [2021-11-23 01:04:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:04:11,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:11,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 160 states and 265 transitions. [2021-11-23 01:04:11,085 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 265 transitions. [2021-11-23 01:04:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:04:11,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:11,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 164 states and 275 transitions. [2021-11-23 01:04:22,184 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 275 transitions. [2021-11-23 01:04:22,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:04:22,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 165 states and 275 transitions. [2021-11-23 01:04:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 275 transitions. [2021-11-23 01:04:22,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:04:22,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:22,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 173 states and 288 transitions. [2021-11-23 01:04:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 288 transitions. [2021-11-23 01:04:25,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:04:25,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:25,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:30,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 182 states and 305 transitions. [2021-11-23 01:04:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 305 transitions. [2021-11-23 01:04:30,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:04:30,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:30,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 196 states and 330 transitions. [2021-11-23 01:04:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 330 transitions. [2021-11-23 01:04:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:04:38,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:38,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 201 states and 342 transitions. [2021-11-23 01:04:42,464 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 342 transitions. [2021-11-23 01:04:42,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:04:42,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:44,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 204 states and 348 transitions. [2021-11-23 01:04:44,774 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 348 transitions. [2021-11-23 01:04:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:04:44,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:44,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:47,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 207 states and 353 transitions. [2021-11-23 01:04:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 353 transitions. [2021-11-23 01:04:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:04:47,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:47,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:49,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 210 states and 358 transitions. [2021-11-23 01:04:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 358 transitions. [2021-11-23 01:04:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:04:49,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:49,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 225 states and 389 transitions. [2021-11-23 01:05:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 389 transitions. [2021-11-23 01:05:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:05:02,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:02,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:05,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:05,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 228 states and 395 transitions. [2021-11-23 01:05:05,379 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 395 transitions. [2021-11-23 01:05:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:05:05,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:05,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:08,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 231 states and 402 transitions. [2021-11-23 01:05:08,453 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 402 transitions. [2021-11-23 01:05:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:05:08,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:08,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 234 states and 407 transitions. [2021-11-23 01:05:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 407 transitions. [2021-11-23 01:05:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:05:11,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:11,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:17,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:17,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 242 states and 421 transitions. [2021-11-23 01:05:17,044 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 421 transitions. [2021-11-23 01:05:17,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:05:17,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:17,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:19,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:33,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 264 states and 486 transitions. [2021-11-23 01:05:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 486 transitions. [2021-11-23 01:05:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:05:33,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:33,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 285 states and 552 transitions. [2021-11-23 01:05:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 552 transitions. [2021-11-23 01:05:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:05:51,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:51,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 302 states and 616 transitions. [2021-11-23 01:06:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 616 transitions. [2021-11-23 01:06:08,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:06:08,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:08,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 313 states and 644 transitions. [2021-11-23 01:06:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 644 transitions. [2021-11-23 01:06:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:06:18,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:18,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:22,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 340 states and 731 transitions. [2021-11-23 01:06:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 731 transitions. [2021-11-23 01:06:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:06:56,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:56,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:07,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 351 states and 759 transitions. [2021-11-23 01:07:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 759 transitions. [2021-11-23 01:07:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:07:07,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:07,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:25,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 369 states and 810 transitions. [2021-11-23 01:07:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 810 transitions. [2021-11-23 01:07:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:07:25,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:25,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:21,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 396 states and 895 transitions. [2021-11-23 01:08:21,628 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 895 transitions. [2021-11-23 01:08:21,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:08:21,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:21,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:30,842 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:48,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 419 states and 979 transitions. [2021-11-23 01:09:48,532 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 979 transitions. [2021-11-23 01:09:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:09:48,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:48,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:48,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:57,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 427 states and 1011 transitions. [2021-11-23 01:09:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1011 transitions. [2021-11-23 01:09:57,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:09:57,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:57,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:03,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 431 states and 1016 transitions. [2021-11-23 01:10:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1016 transitions. [2021-11-23 01:10:03,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:10:03,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:03,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 446 states and 1053 transitions. [2021-11-23 01:10:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1053 transitions. [2021-11-23 01:10:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:10:22,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:22,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:30,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:30,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 452 states and 1067 transitions. [2021-11-23 01:10:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1067 transitions. [2021-11-23 01:10:30,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:10:30,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:30,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 459 states and 1084 transitions. [2021-11-23 01:10:39,733 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1084 transitions. [2021-11-23 01:10:39,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:10:39,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:39,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 470 states and 1105 transitions. [2021-11-23 01:10:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1105 transitions. [2021-11-23 01:10:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:10:51,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:51,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:51,310 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:05,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 479 states and 1125 transitions. [2021-11-23 01:11:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1125 transitions. [2021-11-23 01:11:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:05,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:05,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:09,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 481 states and 1129 transitions. [2021-11-23 01:11:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1129 transitions. [2021-11-23 01:11:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:09,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:09,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:18,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 490 states and 1147 transitions. [2021-11-23 01:11:18,552 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1147 transitions. [2021-11-23 01:11:18,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:18,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:18,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:26,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 496 states and 1162 transitions. [2021-11-23 01:11:26,905 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1162 transitions. [2021-11-23 01:11:26,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:26,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:26,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:26,930 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 503 states and 1172 transitions. [2021-11-23 01:11:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 1172 transitions. [2021-11-23 01:11:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:37,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:37,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 507 states and 1177 transitions. [2021-11-23 01:11:42,885 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1177 transitions. [2021-11-23 01:11:42,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:42,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:42,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 517 states and 1201 transitions. [2021-11-23 01:11:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1201 transitions. [2021-11-23 01:11:53,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:11:53,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:53,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 528 states and 1238 transitions. [2021-11-23 01:12:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 1238 transitions. [2021-11-23 01:12:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:12:11,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:11,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 557 states and 1351 transitions. [2021-11-23 01:14:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1351 transitions. [2021-11-23 01:14:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:14:56,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:56,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 572 states and 1391 transitions. [2021-11-23 01:15:22,634 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1391 transitions. [2021-11-23 01:15:22,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:15:22,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:22,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 584 states and 1421 transitions. [2021-11-23 01:15:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1421 transitions. [2021-11-23 01:15:36,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:15:36,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:36,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 593 states and 1435 transitions. [2021-11-23 01:15:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1435 transitions. [2021-11-23 01:15:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:15:49,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:49,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:50,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:08,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 605 states and 1470 transitions. [2021-11-23 01:16:08,530 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1470 transitions. [2021-11-23 01:16:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:16:08,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:08,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.