./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e --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 315c7f7d4f861da6991110ab8f251d6e6bbcbe86dfcb4a71343434e33094f4a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:32:14,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:32:14,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:32:14,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:32:14,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:32:14,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:32:14,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:32:14,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:32:14,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:32:14,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:32:14,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:32:14,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:32:14,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:32:14,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:32:14,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:32:14,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:32:14,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:32:14,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:32:14,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:32:14,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:32:14,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:32:14,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:32:14,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:32:14,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:32:14,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:32:14,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:32:14,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:32:14,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:32:14,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:32:14,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:32:14,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:32:14,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:32:14,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:32:14,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:32:14,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:32:14,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:32:14,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:32:14,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:32:14,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:32:14,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:32:14,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:32:14,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:32:15,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:32:15,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:32:15,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:32:15,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:32:15,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:32:15,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:32:15,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:32:15,033 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:32:15,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:32:15,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:32:15,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:32:15,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:32:15,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:32:15,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:32:15,036 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:32:15,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:32:15,036 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:32:15,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:32:15,037 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:32:15,037 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:32:15,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:32:15,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:32:15,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:32:15,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:32:15,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:32:15,039 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:32:15,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:32:15,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:32:15,040 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_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315c7f7d4f861da6991110ab8f251d6e6bbcbe86dfcb4a71343434e33094f4a7 [2021-11-13 23:32:15,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:32:15,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:32:15,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:32:15,363 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:32:15,364 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:32:15,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:32:15,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/data/26a913829/17a2dfbd2fe742c9868db883f563e77b/FLAGbb52a2728 [2021-11-13 23:32:16,036 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:32:16,039 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:32:16,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/data/26a913829/17a2dfbd2fe742c9868db883f563e77b/FLAGbb52a2728 [2021-11-13 23:32:16,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/data/26a913829/17a2dfbd2fe742c9868db883f563e77b [2021-11-13 23:32:16,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:32:16,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:32:16,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:32:16,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:32:16,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:32:16,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:16,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f51c049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16, skipping insertion in model container [2021-11-13 23:32:16,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:16,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:32:16,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:32:16,747 WARN L228 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_0f7a1b1e-aefa-44af-95ae-67dfea538633/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c[31111,31124] [2021-11-13 23:32:16,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:32:16,760 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:32:16,889 WARN L228 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_0f7a1b1e-aefa-44af-95ae-67dfea538633/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c[31111,31124] [2021-11-13 23:32:16,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:32:16,911 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:32:16,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16 WrapperNode [2021-11-13 23:32:16,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:32:16,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:32:16,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:32:16,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:32:16,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:16,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:17,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:32:17,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:32:17,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:32:17,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:32:17,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:17,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:17,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:17,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:17,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:17,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:17,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:17,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:32:17,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:32:17,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:32:17,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:32:17,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:16" (1/1) ... [2021-11-13 23:32:17,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:32:17,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:32:17,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:32:17,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7a1b1e-aefa-44af-95ae-67dfea538633/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:32:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:32:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:32:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:32:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:32:19,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:32:19,830 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:32:19,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:32:19 BoogieIcfgContainer [2021-11-13 23:32:19,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:32:19,835 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:32:19,835 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:32:19,845 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:32:19,846 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:32:19" (1/1) ... [2021-11-13 23:32:19,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:32:19,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2021-11-13 23:32:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2021-11-13 23:32:19,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:32:19,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:19,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:21,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 226 transitions. [2021-11-13 23:32:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2021-11-13 23:32:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:32:21,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:21,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 144 states and 232 transitions. [2021-11-13 23:32:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2021-11-13 23:32:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 23:32:21,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:21,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2021-11-13 23:32:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2021-11-13 23:32:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 23:32:22,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:22,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2021-11-13 23:32:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2021-11-13 23:32:23,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 23:32:23,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:23,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2021-11-13 23:32:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2021-11-13 23:32:24,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:32:24,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:24,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:26,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:26,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 167 states and 276 transitions. [2021-11-13 23:32:26,020 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 276 transitions. [2021-11-13 23:32:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:32:26,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:26,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:26,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 174 states and 289 transitions. [2021-11-13 23:32:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2021-11-13 23:32:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:32:27,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:27,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:28,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2021-11-13 23:32:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2021-11-13 23:32:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:32:28,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:28,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2021-11-13 23:32:28,374 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2021-11-13 23:32:28,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:32:28,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:28,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:31,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:31,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 187 states and 308 transitions. [2021-11-13 23:32:31,605 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2021-11-13 23:32:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:32:31,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:31,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:32,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:32,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 190 states and 313 transitions. [2021-11-13 23:32:32,159 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 313 transitions. [2021-11-13 23:32:32,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-13 23:32:32,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:32,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:33,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 207 states and 349 transitions. [2021-11-13 23:32:39,405 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 349 transitions. [2021-11-13 23:32:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:32:39,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:39,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 225 states and 388 transitions. [2021-11-13 23:32:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 388 transitions. [2021-11-13 23:32:46,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:32:46,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:46,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:46,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 226 states and 389 transitions. [2021-11-13 23:32:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 389 transitions. [2021-11-13 23:32:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:32:46,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:46,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 245 states and 429 transitions. [2021-11-13 23:32:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 429 transitions. [2021-11-13 23:32:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:32:54,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:54,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:55,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:55,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 247 states and 433 transitions. [2021-11-13 23:32:55,207 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 433 transitions. [2021-11-13 23:32:55,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:32:55,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:55,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:55,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 248 states and 437 transitions. [2021-11-13 23:32:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 437 transitions. [2021-11-13 23:32:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:32:55,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:55,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 268 states and 478 transitions. [2021-11-13 23:33:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 478 transitions. [2021-11-13 23:33:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:33:03,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:03,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:04,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 269 states and 480 transitions. [2021-11-13 23:33:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 480 transitions. [2021-11-13 23:33:04,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:33:04,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:04,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:04,502 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:05,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 271 states and 482 transitions. [2021-11-13 23:33:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 482 transitions. [2021-11-13 23:33:05,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:33:05,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:05,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 272 states and 487 transitions. [2021-11-13 23:33:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 487 transitions. [2021-11-13 23:33:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 23:33:06,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:06,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 287 states and 519 transitions. [2021-11-13 23:33:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 519 transitions. [2021-11-13 23:33:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 23:33:14,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:14,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 290 states and 524 transitions. [2021-11-13 23:33:15,944 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 524 transitions. [2021-11-13 23:33:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 23:33:15,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:15,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 292 states and 527 transitions. [2021-11-13 23:33:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 527 transitions. [2021-11-13 23:33:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 23:33:17,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:17,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 293 states and 528 transitions. [2021-11-13 23:33:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 528 transitions. [2021-11-13 23:33:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 23:33:18,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:18,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 294 states and 534 transitions. [2021-11-13 23:33:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 534 transitions. [2021-11-13 23:33:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 23:33:19,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:19,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:29,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 315 states and 572 transitions. [2021-11-13 23:33:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 572 transitions. [2021-11-13 23:33:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 23:33:29,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:29,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:30,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 318 states and 581 transitions. [2021-11-13 23:33:32,357 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 581 transitions. [2021-11-13 23:33:32,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 23:33:32,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:32,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 321 states and 585 transitions. [2021-11-13 23:33:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 585 transitions. [2021-11-13 23:33:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 23:33:34,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:34,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 324 states and 588 transitions. [2021-11-13 23:33:37,479 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 588 transitions. [2021-11-13 23:33:37,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 23:33:37,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:37,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:38,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:38,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 325 states and 589 transitions. [2021-11-13 23:33:38,681 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 589 transitions. [2021-11-13 23:33:38,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 23:33:38,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:38,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:40,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 326 states and 590 transitions. [2021-11-13 23:33:40,034 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 590 transitions. [2021-11-13 23:33:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 23:33:40,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:40,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 341 states and 625 transitions. [2021-11-13 23:33:48,829 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 625 transitions. [2021-11-13 23:33:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:33:48,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:48,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 350 states and 645 transitions. [2021-11-13 23:33:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 645 transitions. [2021-11-13 23:33:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 23:33:57,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:57,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:59,346 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 365 states and 707 transitions. [2021-11-13 23:34:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 707 transitions. [2021-11-13 23:34:10,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:34:10,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:10,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 377 states and 733 transitions. [2021-11-13 23:34:20,309 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 733 transitions. [2021-11-13 23:34:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:34:20,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:20,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:20,539 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:21,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:21,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 378 states and 733 transitions. [2021-11-13 23:34:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 733 transitions. [2021-11-13 23:34:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 23:34:21,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:21,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 393 states and 770 transitions. [2021-11-13 23:34:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 770 transitions. [2021-11-13 23:34:34,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 23:34:34,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:34,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:35,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 394 states and 783 transitions. [2021-11-13 23:34:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 783 transitions. [2021-11-13 23:34:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 23:34:36,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:36,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 395 states and 788 transitions. [2021-11-13 23:34:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 788 transitions. [2021-11-13 23:34:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 23:34:37,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:37,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 411 states and 835 transitions. [2021-11-13 23:34:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 835 transitions. [2021-11-13 23:34:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 23:34:55,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:55,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:55,344 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:57,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:57,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 413 states and 844 transitions. [2021-11-13 23:34:57,358 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 844 transitions. [2021-11-13 23:34:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 23:34:57,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:57,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 414 states and 848 transitions. [2021-11-13 23:34:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 848 transitions. [2021-11-13 23:34:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 23:34:58,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:58,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:00,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 415 states and 863 transitions. [2021-11-13 23:35:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 863 transitions. [2021-11-13 23:35:00,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 23:35:00,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:00,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 430 states and 901 transitions. [2021-11-13 23:35:18,883 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 901 transitions. [2021-11-13 23:35:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 23:35:18,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:18,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 432 states and 914 transitions. [2021-11-13 23:35:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 914 transitions. [2021-11-13 23:35:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 23:35:21,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:21,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 434 states and 925 transitions. [2021-11-13 23:35:23,633 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 925 transitions. [2021-11-13 23:35:23,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 23:35:23,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:23,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:25,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:25,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 435 states and 938 transitions. [2021-11-13 23:35:25,786 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 938 transitions. [2021-11-13 23:35:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 23:35:25,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:25,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:26,037 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 436 states and 947 transitions. [2021-11-13 23:35:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 947 transitions. [2021-11-13 23:35:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 23:35:27,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:27,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 437 states and 950 transitions. [2021-11-13 23:35:29,064 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 950 transitions. [2021-11-13 23:35:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 23:35:29,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:29,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:51,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 453 states and 995 transitions. [2021-11-13 23:35:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 995 transitions. [2021-11-13 23:35:51,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 23:35:51,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:51,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:54,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:54,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 455 states and 1009 transitions. [2021-11-13 23:35:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1009 transitions. [2021-11-13 23:35:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 23:35:54,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:54,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 457 states and 1024 transitions. [2021-11-13 23:35:57,479 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1024 transitions. [2021-11-13 23:35:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 23:35:57,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:57,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:59,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:59,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 458 states and 1026 transitions. [2021-11-13 23:35:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1026 transitions. [2021-11-13 23:35:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 23:35:59,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:59,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:17,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:17,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 471 states and 1073 transitions. [2021-11-13 23:36:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 1073 transitions. [2021-11-13 23:36:17,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 23:36:17,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:17,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 478 states and 1115 transitions. [2021-11-13 23:36:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 1115 transitions. [2021-11-13 23:36:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 23:36:27,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:27,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:27,545 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 482 states and 1136 transitions. [2021-11-13 23:36:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1136 transitions. [2021-11-13 23:36:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 23:36:32,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:32,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 485 states and 1139 transitions. [2021-11-13 23:36:36,899 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 1139 transitions. [2021-11-13 23:36:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 23:36:36,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:36,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:40,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 488 states and 1160 transitions. [2021-11-13 23:36:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1160 transitions. [2021-11-13 23:36:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 23:36:40,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:40,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:44,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 491 states and 1176 transitions. [2021-11-13 23:36:44,522 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1176 transitions. [2021-11-13 23:36:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:36:44,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:44,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:57,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 496 states and 1203 transitions. [2021-11-13 23:36:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1203 transitions. [2021-11-13 23:36:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:36:57,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:57,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 499 states and 1209 transitions. [2021-11-13 23:37:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1209 transitions. [2021-11-13 23:37:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:37:02,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:02,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:03,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:03,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 500 states and 1210 transitions. [2021-11-13 23:37:03,968 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1210 transitions. [2021-11-13 23:37:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:37:03,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:03,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 501 states and 1213 transitions. [2021-11-13 23:37:05,895 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1213 transitions. [2021-11-13 23:37:05,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:37:05,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:05,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 502 states and 1215 transitions. [2021-11-13 23:37:07,823 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1215 transitions. [2021-11-13 23:37:07,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:37:07,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:07,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 504 states and 1217 transitions. [2021-11-13 23:37:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1217 transitions. [2021-11-13 23:37:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:37:11,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:11,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:11,530 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 507 states and 1234 transitions. [2021-11-13 23:37:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1234 transitions. [2021-11-13 23:37:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:37:14,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:14,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 508 states and 1240 transitions. [2021-11-13 23:37:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1240 transitions. [2021-11-13 23:37:16,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:37:16,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:16,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:21,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:21,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 512 states and 1255 transitions. [2021-11-13 23:37:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1255 transitions. [2021-11-13 23:37:21,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:37:21,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:21,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 515 states and 1270 transitions. [2021-11-13 23:37:25,605 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1270 transitions. [2021-11-13 23:37:25,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:37:25,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:25,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:29,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 518 states and 1286 transitions. [2021-11-13 23:37:29,163 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1286 transitions. [2021-11-13 23:37:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-13 23:37:29,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:29,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat