./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res1o.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_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/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_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/res1o.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/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_8e100d95-2365-4473-b670-9b96b329818c/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 64693615f2d98484fbf4ccec390e9fe8d95f9d4648b0c6cc4a2e86f0656bfacf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:46:17,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:46:17,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:46:18,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:46:18,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:46:18,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:46:18,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:46:18,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:46:18,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:46:18,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:46:18,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:46:18,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:46:18,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:46:18,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:46:18,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:46:18,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:46:18,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:46:18,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:46:18,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:46:18,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:46:18,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:46:18,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:46:18,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:46:18,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:46:18,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:46:18,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:46:18,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:46:18,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:46:18,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:46:18,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:46:18,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:46:18,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:46:18,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:46:18,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:46:18,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:46:18,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:46:18,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:46:18,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:46:18,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:46:18,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:46:18,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:46:18,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:46:18,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:46:18,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:46:18,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:46:18,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:46:18,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:46:18,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:46:18,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:46:18,098 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:46:18,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:46:18,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:46:18,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:46:18,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:46:18,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:46:18,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:46:18,100 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:46:18,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:46:18,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:46:18,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:46:18,101 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:46:18,101 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:46:18,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:46:18,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:46:18,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:46:18,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:46:18,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:46:18,103 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:46:18,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:46:18,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:46:18,104 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_8e100d95-2365-4473-b670-9b96b329818c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64693615f2d98484fbf4ccec390e9fe8d95f9d4648b0c6cc4a2e86f0656bfacf [2021-11-23 01:46:18,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:46:18,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:46:18,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:46:18,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:46:18,421 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:46:18,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/res1o.c [2021-11-23 01:46:18,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/data/ddb69c48b/ef9d707fe0914966b76e2acb43fe8c52/FLAG1d27b4411 [2021-11-23 01:46:19,074 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:46:19,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/sv-benchmarks/c/array-fpi/res1o.c [2021-11-23 01:46:19,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/data/ddb69c48b/ef9d707fe0914966b76e2acb43fe8c52/FLAG1d27b4411 [2021-11-23 01:46:19,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/data/ddb69c48b/ef9d707fe0914966b76e2acb43fe8c52 [2021-11-23 01:46:19,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:46:19,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:46:19,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:46:19,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:46:19,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:46:19,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c5274f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19, skipping insertion in model container [2021-11-23 01:46:19,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:46:19,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:46:19,711 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_8e100d95-2365-4473-b670-9b96b329818c/sv-benchmarks/c/array-fpi/res1o.c[588,601] [2021-11-23 01:46:19,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:46:19,744 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:46:19,758 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_8e100d95-2365-4473-b670-9b96b329818c/sv-benchmarks/c/array-fpi/res1o.c[588,601] [2021-11-23 01:46:19,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:46:19,784 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:46:19,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19 WrapperNode [2021-11-23 01:46:19,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:46:19,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:46:19,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:46:19,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:46:19,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,826 INFO L137 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2021-11-23 01:46:19,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:46:19,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:46:19,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:46:19,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:46:19,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:46:19,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:46:19,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:46:19,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:46:19,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:19" (1/1) ... [2021-11-23 01:46:19,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:46:19,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:46:19,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:46:19,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e100d95-2365-4473-b670-9b96b329818c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:46:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:46:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:46:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:46:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:46:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:46:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:46:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:46:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:46:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:46:20,104 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:46:20,106 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:46:20,266 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:46:20,312 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:46:20,312 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:46:20,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:20 BoogieIcfgContainer [2021-11-23 01:46:20,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:46:20,317 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:46:20,317 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:46:20,330 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:46:20,331 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:20" (1/1) ... [2021-11-23 01:46:20,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:46:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-23 01:46:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-23 01:46:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:46:20,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:20,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:20,675 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 01:46:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:46:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:46:20,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:46:20,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:20,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:20,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:46:21,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:46:21,025 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:46:21,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:46:21,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:21,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:21,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 01:46:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 01:46:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:46:21,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:21,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:46:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:46:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:46:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:46:21,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:21,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:23,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 23 states and 50 transitions. [2021-11-23 01:46:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 50 transitions. [2021-11-23 01:46:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:46:23,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:23,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:24,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:24,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2021-11-23 01:46:24,842 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2021-11-23 01:46:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:46:24,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:24,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 31 states and 75 transitions. [2021-11-23 01:46:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 75 transitions. [2021-11-23 01:46:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:46:26,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:26,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 32 states and 75 transitions. [2021-11-23 01:46:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 75 transitions. [2021-11-23 01:46:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:46:26,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:26,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:26,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:46:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 36 states and 83 transitions. [2021-11-23 01:46:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 83 transitions. [2021-11-23 01:46:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:46:28,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:28,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:46:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 37 states and 85 transitions. [2021-11-23 01:46:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 85 transitions. [2021-11-23 01:46:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:46:28,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:28,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:46:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:29,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 74 transitions. [2021-11-23 01:46:29,451 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 74 transitions. [2021-11-23 01:46:29,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:46:29,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:29,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:46:30,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2021-11-23 01:46:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2021-11-23 01:46:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:46:30,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:30,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:32,833 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:37,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 43 states and 113 transitions. [2021-11-23 01:46:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 113 transitions. [2021-11-23 01:46:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:46:37,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:37,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 45 states and 118 transitions. [2021-11-23 01:46:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 118 transitions. [2021-11-23 01:46:39,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:46:39,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:39,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:39,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 46 states and 121 transitions. [2021-11-23 01:46:39,991 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 121 transitions. [2021-11-23 01:46:39,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:46:39,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:39,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 49 states and 134 transitions. [2021-11-23 01:46:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 134 transitions. [2021-11-23 01:46:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:41,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:41,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:46:44,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 53 states and 146 transitions. [2021-11-23 01:46:44,203 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 146 transitions. [2021-11-23 01:46:44,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:44,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:44,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:46:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:44,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 54 states and 146 transitions. [2021-11-23 01:46:44,754 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 146 transitions. [2021-11-23 01:46:44,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:44,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:44,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:46:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:46,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 59 states and 153 transitions. [2021-11-23 01:46:46,931 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 153 transitions. [2021-11-23 01:46:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:46:46,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:46,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:46:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 60 states and 155 transitions. [2021-11-23 01:46:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 155 transitions. [2021-11-23 01:46:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:46:48,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:48,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:48,865 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:46:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 61 states and 157 transitions. [2021-11-23 01:46:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 157 transitions. [2021-11-23 01:46:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:46:49,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:49,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:46:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 65 states and 168 transitions. [2021-11-23 01:46:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 168 transitions. [2021-11-23 01:46:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:46:51,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:51,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:46:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 66 states and 170 transitions. [2021-11-23 01:46:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 170 transitions. [2021-11-23 01:46:52,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:46:52,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:52,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:46:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 144 transitions. [2021-11-23 01:46:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 144 transitions. [2021-11-23 01:46:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:46:53,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:53,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:46:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 65 states and 150 transitions. [2021-11-23 01:46:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 150 transitions. [2021-11-23 01:46:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:46:56,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:56,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:56,957 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:46:58,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 69 states and 157 transitions. [2021-11-23 01:46:58,731 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 157 transitions. [2021-11-23 01:46:58,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:46:58,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:58,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:46:59,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:59,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 70 states and 158 transitions. [2021-11-23 01:46:59,575 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 158 transitions. [2021-11-23 01:46:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:46:59,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:59,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:47:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 71 states and 159 transitions. [2021-11-23 01:47:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 159 transitions. [2021-11-23 01:47:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:47:00,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:00,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:47:01,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 65 states and 148 transitions. [2021-11-23 01:47:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 148 transitions. [2021-11-23 01:47:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:47:01,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:01,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:11,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 68 states and 163 transitions. [2021-11-23 01:47:11,584 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 163 transitions. [2021-11-23 01:47:11,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:47:11,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:11,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:17,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:17,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 76 states and 185 transitions. [2021-11-23 01:47:17,350 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 185 transitions. [2021-11-23 01:47:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:47:17,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:17,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:18,073 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:18,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 77 states and 188 transitions. [2021-11-23 01:47:18,704 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 188 transitions. [2021-11-23 01:47:18,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:18,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:18,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:47:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 80 states and 195 transitions. [2021-11-23 01:47:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 195 transitions. [2021-11-23 01:47:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:22,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:22,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:22,488 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:47:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 87 states and 211 transitions. [2021-11-23 01:47:26,941 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 211 transitions. [2021-11-23 01:47:26,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:47:26,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,128 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:47:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:33,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 93 states and 242 transitions. [2021-11-23 01:47:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 242 transitions. [2021-11-23 01:47:33,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:47:33,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:33,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:47:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 94 states and 244 transitions. [2021-11-23 01:47:35,171 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 244 transitions. [2021-11-23 01:47:35,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:47:35,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:35,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:47:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:37,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 97 states and 249 transitions. [2021-11-23 01:47:37,908 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 249 transitions. [2021-11-23 01:47:37,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:47:37,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:37,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:47:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 98 states and 253 transitions. [2021-11-23 01:47:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 253 transitions. [2021-11-23 01:47:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:39,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:39,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:40,439 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:41,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:41,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 99 states and 253 transitions. [2021-11-23 01:47:41,136 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 253 transitions. [2021-11-23 01:47:41,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:41,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:41,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:47:45,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 104 states and 263 transitions. [2021-11-23 01:47:45,984 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 263 transitions. [2021-11-23 01:47:45,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:45,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:45,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:47:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 108 states and 266 transitions. [2021-11-23 01:47:50,214 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 266 transitions. [2021-11-23 01:47:50,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:50,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:50,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 112 states and 278 transitions. [2021-11-23 01:47:53,322 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 278 transitions. [2021-11-23 01:47:53,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:53,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:53,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:47:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 113 states and 280 transitions. [2021-11-23 01:47:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 280 transitions. [2021-11-23 01:47:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:54,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:54,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 114 states and 281 transitions. [2021-11-23 01:47:56,249 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 281 transitions. [2021-11-23 01:47:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:56,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:56,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 115 states and 282 transitions. [2021-11-23 01:47:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 282 transitions. [2021-11-23 01:47:57,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:57,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:57,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 100 states and 228 transitions. [2021-11-23 01:47:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 228 transitions. [2021-11-23 01:47:59,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:47:59,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:59,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:06,876 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 112 states and 276 transitions. [2021-11-23 01:48:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 276 transitions. [2021-11-23 01:48:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:48:27,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:27,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:29,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 113 states and 278 transitions. [2021-11-23 01:48:29,185 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 278 transitions. [2021-11-23 01:48:29,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:48:29,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:29,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 114 states and 288 transitions. [2021-11-23 01:48:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 288 transitions. [2021-11-23 01:48:31,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:48:31,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:31,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:48:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 117 states and 296 transitions. [2021-11-23 01:48:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 296 transitions. [2021-11-23 01:48:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:48:37,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:37,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:37,132 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:48:38,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:38,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 118 states and 298 transitions. [2021-11-23 01:48:38,313 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 298 transitions. [2021-11-23 01:48:38,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:48:38,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:38,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:48:45,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 125 states and 314 transitions. [2021-11-23 01:48:45,750 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 314 transitions. [2021-11-23 01:48:45,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:48:45,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:45,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:48:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 132 states and 364 transitions. [2021-11-23 01:48:57,375 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 364 transitions. [2021-11-23 01:48:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:48:57,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:57,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:58,760 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:48:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 133 states and 373 transitions. [2021-11-23 01:48:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 373 transitions. [2021-11-23 01:48:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:48:59,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:59,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:49:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 134 states and 377 transitions. [2021-11-23 01:49:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 377 transitions. [2021-11-23 01:49:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:49:02,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:02,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:49:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:05,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 135 states and 380 transitions. [2021-11-23 01:49:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 380 transitions. [2021-11-23 01:49:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:49:05,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:05,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:49:11,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:11,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 139 states and 391 transitions. [2021-11-23 01:49:11,477 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 391 transitions. [2021-11-23 01:49:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:49:11,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:11,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:13,053 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:49:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 142 states and 397 transitions. [2021-11-23 01:49:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 397 transitions. [2021-11-23 01:49:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:49:15,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:15,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 01:49:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:20,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 146 states and 409 transitions. [2021-11-23 01:49:20,704 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 409 transitions. [2021-11-23 01:49:20,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:49:20,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:20,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:22,203 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 01:49:23,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 147 states and 410 transitions. [2021-11-23 01:49:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 410 transitions. [2021-11-23 01:49:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:49:23,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:23,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:24,663 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:49:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 148 states and 413 transitions. [2021-11-23 01:49:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 413 transitions. [2021-11-23 01:49:25,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:49:25,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:25,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:49:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:28,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 149 states and 413 transitions. [2021-11-23 01:49:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 413 transitions. [2021-11-23 01:49:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:49:28,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:28,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:49:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 150 states and 413 transitions. [2021-11-23 01:49:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 413 transitions. [2021-11-23 01:49:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:49:31,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:31,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:49:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:37,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 156 states and 430 transitions. [2021-11-23 01:49:37,784 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 430 transitions. [2021-11-23 01:49:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:49:37,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:37,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:49:41,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 153 states and 423 transitions. [2021-11-23 01:49:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 423 transitions. [2021-11-23 01:49:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:49:41,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:41,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:43,584 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:49:50,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:50,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 158 states and 435 transitions. [2021-11-23 01:49:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 435 transitions. [2021-11-23 01:49:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:49:50,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:50,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:49:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 161 states and 439 transitions. [2021-11-23 01:49:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 439 transitions. [2021-11-23 01:49:56,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:49:56,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:56,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:50:05,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:05,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 166 states and 442 transitions. [2021-11-23 01:50:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 442 transitions. [2021-11-23 01:50:05,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:50:05,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:05,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:50:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 167 states and 444 transitions. [2021-11-23 01:50:07,795 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 444 transitions. [2021-11-23 01:50:07,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:50:07,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:07,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:09,235 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:50:15,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:15,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 170 states and 447 transitions. [2021-11-23 01:50:15,449 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 447 transitions. [2021-11-23 01:50:15,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:50:15,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:15,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:50:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 171 states and 448 transitions. [2021-11-23 01:50:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 448 transitions. [2021-11-23 01:50:18,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:50:18,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:18,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:50:21,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:21,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 172 states and 448 transitions. [2021-11-23 01:50:21,122 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 448 transitions. [2021-11-23 01:50:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:50:21,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:21,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:50:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 173 states and 448 transitions. [2021-11-23 01:50:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 448 transitions. [2021-11-23 01:50:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:50:23,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:23,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:38,512 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 184 states and 488 transitions. [2021-11-23 01:51:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 488 transitions. [2021-11-23 01:51:14,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:51:14,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:14,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:51:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:16,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 185 states and 489 transitions. [2021-11-23 01:51:16,620 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 489 transitions. [2021-11-23 01:51:16,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:51:16,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:16,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:18,804 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:22,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 187 states and 502 transitions. [2021-11-23 01:51:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 502 transitions. [2021-11-23 01:51:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:51:22,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:22,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 188 states and 506 transitions. [2021-11-23 01:51:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 506 transitions. [2021-11-23 01:51:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:51:27,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:27,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:51:30,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:30,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 189 states and 508 transitions. [2021-11-23 01:51:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 508 transitions. [2021-11-23 01:51:30,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:51:30,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:30,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:32,198 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:34,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:34,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 190 states and 515 transitions. [2021-11-23 01:51:34,678 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 515 transitions. [2021-11-23 01:51:34,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:51:34,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:34,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:44,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 195 states and 531 transitions. [2021-11-23 01:51:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 531 transitions. [2021-11-23 01:51:44,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:51:44,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:44,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:51:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:53,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 198 states and 539 transitions. [2021-11-23 01:51:53,236 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 539 transitions. [2021-11-23 01:51:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:51:53,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:53,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:51:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 199 states and 542 transitions. [2021-11-23 01:51:55,311 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 542 transitions. [2021-11-23 01:51:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:51:55,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:55,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:51:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 200 states and 546 transitions. [2021-11-23 01:51:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 546 transitions. [2021-11-23 01:51:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:51:57,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:57,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:52:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 205 states and 558 transitions. [2021-11-23 01:52:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 558 transitions. [2021-11-23 01:52:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:52:07,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:07,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:52:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:11,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 208 states and 563 transitions. [2021-11-23 01:52:11,931 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 563 transitions. [2021-11-23 01:52:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:52:11,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:11,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:52:30,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:30,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 215 states and 592 transitions. [2021-11-23 01:52:30,007 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 592 transitions. [2021-11-23 01:52:30,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:52:30,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:30,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:32,995 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:52:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 217 states and 613 transitions. [2021-11-23 01:52:37,202 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 613 transitions. [2021-11-23 01:52:37,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:52:37,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:37,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:52:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 218 states and 623 transitions. [2021-11-23 01:52:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 623 transitions. [2021-11-23 01:52:42,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:52:42,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:42,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:52:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:54,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 223 states and 646 transitions. [2021-11-23 01:52:54,104 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 646 transitions. [2021-11-23 01:52:54,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:52:54,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:54,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 31 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:53:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 226 states and 675 transitions. [2021-11-23 01:53:18,693 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 675 transitions. [2021-11-23 01:53:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:53:18,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:18,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:53:28,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:28,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 230 states and 683 transitions. [2021-11-23 01:53:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 683 transitions. [2021-11-23 01:53:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:53:28,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:28,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:53:36,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:36,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 233 states and 693 transitions. [2021-11-23 01:53:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 693 transitions. [2021-11-23 01:53:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:53:36,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:36,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:53:40,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:40,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 234 states and 698 transitions. [2021-11-23 01:53:40,913 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 698 transitions. [2021-11-23 01:53:40,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:53:40,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:40,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:53:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:45,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 235 states and 698 transitions. [2021-11-23 01:53:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 698 transitions. [2021-11-23 01:53:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:53:45,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:45,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 31 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:53:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 236 states and 713 transitions. [2021-11-23 01:53:49,709 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 713 transitions. [2021-11-23 01:53:49,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:53:49,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:49,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:51,917 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 31 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:53:53,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 237 states and 726 transitions. [2021-11-23 01:53:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 726 transitions. [2021-11-23 01:53:53,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:53:53,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:53,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 31 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:53:57,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 238 states and 738 transitions. [2021-11-23 01:53:57,893 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 738 transitions. [2021-11-23 01:53:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:53:57,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:57,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:54:12,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:12,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 245 states and 745 transitions. [2021-11-23 01:54:12,352 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 745 transitions. [2021-11-23 01:54:12,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:54:12,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:12,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:54:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 251 states and 753 transitions. [2021-11-23 01:54:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 753 transitions. [2021-11-23 01:54:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:54:26,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:26,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 01:54:31,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 252 states and 756 transitions. [2021-11-23 01:54:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 756 transitions. [2021-11-23 01:54:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:54:31,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:31,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:54:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 255 states and 759 transitions. [2021-11-23 01:54:40,802 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 759 transitions. [2021-11-23 01:54:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:54:40,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:40,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 01:54:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:44,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 256 states and 764 transitions. [2021-11-23 01:54:44,936 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 764 transitions. [2021-11-23 01:54:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:54:44,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:44,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:54:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 257 states and 770 transitions. [2021-11-23 01:54:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 770 transitions. [2021-11-23 01:54:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:54:49,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:49,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:54:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 258 states and 772 transitions. [2021-11-23 01:54:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 772 transitions. [2021-11-23 01:54:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:54:53,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:53,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 38 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:55:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:03,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 259 states and 784 transitions. [2021-11-23 01:55:03,744 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 784 transitions. [2021-11-23 01:55:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:55:03,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:03,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 38 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:55:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 260 states and 791 transitions. [2021-11-23 01:55:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 791 transitions. [2021-11-23 01:55:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:55:07,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:07,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:55:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 262 states and 793 transitions. [2021-11-23 01:55:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 793 transitions. [2021-11-23 01:55:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:55:16,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:16,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:18,694 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 01:55:23,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 266 states and 803 transitions. [2021-11-23 01:55:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 803 transitions. [2021-11-23 01:55:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:55:23,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:23,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 01:55:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:28,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 267 states and 804 transitions. [2021-11-23 01:55:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 804 transitions. [2021-11-23 01:55:28,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:55:28,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:28,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 38 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:55:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 268 states and 813 transitions. [2021-11-23 01:55:32,205 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 813 transitions. [2021-11-23 01:55:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:55:32,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:32,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 38 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:55:36,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 269 states and 823 transitions. [2021-11-23 01:55:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 823 transitions. [2021-11-23 01:55:36,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:55:36,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:36,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:38,856 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 38 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:55:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 270 states and 833 transitions. [2021-11-23 01:55:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 833 transitions. [2021-11-23 01:55:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:55:40,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:40,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 38 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:55:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 271 states and 841 transitions. [2021-11-23 01:55:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 841 transitions. [2021-11-23 01:55:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:55:45,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:45,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 7 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 286 states and 878 transitions. [2021-11-23 01:57:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 878 transitions. [2021-11-23 01:57:16,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:57:16,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:16,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 01:57:20,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 287 states and 878 transitions. [2021-11-23 01:57:20,443 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 878 transitions. [2021-11-23 01:57:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:57:20,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:20,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 7 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 292 states and 891 transitions. [2021-11-23 01:57:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 891 transitions. [2021-11-23 01:57:34,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:57:34,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:34,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 7 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:41,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:41,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 294 states and 896 transitions. [2021-11-23 01:57:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 896 transitions. [2021-11-23 01:57:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:57:41,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:41,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 7 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 297 states and 910 transitions. [2021-11-23 01:57:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 910 transitions. [2021-11-23 01:57:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:57:50,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:50,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.