./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0232-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0232-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7d99b84861b7e58e44833cf97c5fb5fa14d1ad6f1b87526d3144a9659451e97 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:43,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:43,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:43,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:43,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:43,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:43,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:43,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:43,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:43,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:43,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:43,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:43,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:43,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:43,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:43,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:43,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:43,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:43,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:43,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:43,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:43,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:43,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:43,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:44,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:44,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:44,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:44,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:44,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:44,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:44,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:44,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:44,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:44,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:44,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:44,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:44,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:44,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:44,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:44,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:44,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:44,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:57:44,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:44,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:44,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:44,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:44,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:44,050 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:44,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:57:44,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:44,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:44,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:44,052 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:57:44,052 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:57:44,052 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:57:44,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:44,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:44,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:44,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:44,054 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:44,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:44,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:44,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:44,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:44,055 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:44,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:44,056 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_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7d99b84861b7e58e44833cf97c5fb5fa14d1ad6f1b87526d3144a9659451e97 [2021-11-23 15:57:44,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:44,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:44,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:44,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:44,368 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:44,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety/test-0232-2.i [2021-11-23 15:57:44,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/data/5b73356eb/bd6be7f822154749ba8caac1e1b54282/FLAGce5e39b53 [2021-11-23 15:57:44,988 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:44,989 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/sv-benchmarks/c/memsafety/test-0232-2.i [2021-11-23 15:57:45,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/data/5b73356eb/bd6be7f822154749ba8caac1e1b54282/FLAGce5e39b53 [2021-11-23 15:57:45,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/data/5b73356eb/bd6be7f822154749ba8caac1e1b54282 [2021-11-23 15:57:45,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:45,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:45,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:45,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:45,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:45,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127c6ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45, skipping insertion in model container [2021-11-23 15:57:45,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:45,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:45,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:45,617 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:45,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:45,706 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:45,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45 WrapperNode [2021-11-23 15:57:45,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:45,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:45,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:45,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:45,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,753 INFO L137 Inliner]: procedures = 126, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2021-11-23 15:57:45,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:45,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:45,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:45,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:45,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:45,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:45,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:45,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:45,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:45,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:45,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:45,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b272108-07eb-4d98-812e-70255930addf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:57:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:57:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:57:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:57:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:45,992 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:45,993 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:46,407 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:46,431 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:57:46,431 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:57:46,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:46 BoogieIcfgContainer [2021-11-23 15:57:46,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:57:46,435 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:57:46,435 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:57:46,445 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:57:46,445 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:57:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:46,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 85 states and 90 transitions. [2021-11-23 15:57:46,522 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2021-11-23 15:57:46,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:57:46,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:46,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:46,696 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 15:57:46,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 87 states and 93 transitions. [2021-11-23 15:57:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2021-11-23 15:57:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:57:46,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:46,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:46,937 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 15:57:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2021-11-23 15:57:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2021-11-23 15:57:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:57:47,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:47,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:47,168 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 15:57:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 90 states and 98 transitions. [2021-11-23 15:57:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2021-11-23 15:57:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:57:47,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:47,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:47,364 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 15:57:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 91 states and 100 transitions. [2021-11-23 15:57:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2021-11-23 15:57:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:57:47,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:47,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:47,683 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 15:57:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 92 states and 103 transitions. [2021-11-23 15:57:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2021-11-23 15:57:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:57:47,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:47,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:47,776 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 15:57:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 92 states and 102 transitions. [2021-11-23 15:57:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2021-11-23 15:57:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:57:47,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:47,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:48,114 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 15:57:48,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:48,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2021-11-23 15:57:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2021-11-23 15:57:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:57:48,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:48,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:49,125 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 15:57:49,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:49,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 100 states and 117 transitions. [2021-11-23 15:57:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2021-11-23 15:57:49,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:57:49,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:49,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:49,695 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 15:57:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 101 states and 119 transitions. [2021-11-23 15:57:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 119 transitions. [2021-11-23 15:57:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:57:49,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:49,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:49,853 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 15:57:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 105 states and 128 transitions. [2021-11-23 15:57:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2021-11-23 15:57:50,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:57:50,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:50,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:50,912 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 15:57:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 110 states and 139 transitions. [2021-11-23 15:57:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 139 transitions. [2021-11-23 15:57:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:57:52,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:52,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:52,228 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 15:57:54,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:54,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 117 states and 154 transitions. [2021-11-23 15:57:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 154 transitions. [2021-11-23 15:57:54,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:57:54,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:54,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:54,408 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 15:57:56,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 124 states and 170 transitions. [2021-11-23 15:57:56,824 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 170 transitions. [2021-11-23 15:57:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:57:56,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:56,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 126 states and 175 transitions. [2021-11-23 15:57:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 175 transitions. [2021-11-23 15:57:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:57:57,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:57,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:57,402 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 15:57:57,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 125 states and 174 transitions. [2021-11-23 15:57:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2021-11-23 15:57:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:57:57,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:57,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:57,518 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 15:57:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 127 states and 177 transitions. [2021-11-23 15:57:57,528 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 177 transitions. [2021-11-23 15:57:57,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:57:57,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:57,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:57,552 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 15:57:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 126 states and 175 transitions. [2021-11-23 15:57:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 175 transitions. [2021-11-23 15:57:57,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:57:57,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:57,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:57,696 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 15:57:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 127 states and 178 transitions. [2021-11-23 15:57:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 178 transitions. [2021-11-23 15:57:57,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:57:57,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:57,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:57:58,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 127 states and 177 transitions. [2021-11-23 15:57:58,021 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 177 transitions. [2021-11-23 15:57:58,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:57:58,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:58,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:57:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:58,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 127 states and 176 transitions. [2021-11-23 15:57:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 176 transitions. [2021-11-23 15:57:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:57:58,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:58,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:58,781 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 15:57:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:59,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 132 states and 188 transitions. [2021-11-23 15:57:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 188 transitions. [2021-11-23 15:57:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:57:59,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:59,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:00,146 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 15:58:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:01,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 138 states and 201 transitions. [2021-11-23 15:58:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 201 transitions. [2021-11-23 15:58:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:58:01,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:01,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:01,570 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 15:58:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 140 states and 205 transitions. [2021-11-23 15:58:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 205 transitions. [2021-11-23 15:58:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:58:01,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:01,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:02,013 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 15:58:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 141 states and 206 transitions. [2021-11-23 15:58:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 206 transitions. [2021-11-23 15:58:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:58:02,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:02,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:02,723 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 15:58:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:03,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 143 states and 212 transitions. [2021-11-23 15:58:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 212 transitions. [2021-11-23 15:58:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:58:03,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:03,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:04,092 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 15:58:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 145 states and 216 transitions. [2021-11-23 15:58:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 216 transitions. [2021-11-23 15:58:04,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:58:04,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:04,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:05,290 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 15:58:07,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 147 states and 220 transitions. [2021-11-23 15:58:07,156 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 220 transitions. [2021-11-23 15:58:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:58:07,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:07,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:07,576 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 15:58:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 155 states and 234 transitions. [2021-11-23 15:58:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 234 transitions. [2021-11-23 15:58:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:58:11,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:11,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:58:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2021-11-23 15:58:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2021-11-23 15:58:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:58:12,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:12,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:58:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:12,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 156 states and 235 transitions. [2021-11-23 15:58:12,837 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 235 transitions. [2021-11-23 15:58:12,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:58:12,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:12,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:21,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 260 transitions. [2021-11-23 15:58:21,926 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 260 transitions. [2021-11-23 15:58:21,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:58:21,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:21,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:27,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 176 states and 272 transitions. [2021-11-23 15:58:27,021 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 272 transitions. [2021-11-23 15:58:27,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:58:27,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:27,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:27,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:28,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 178 states and 279 transitions. [2021-11-23 15:58:28,414 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 279 transitions. [2021-11-23 15:58:28,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:58:28,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:28,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 185 states and 299 transitions. [2021-11-23 15:58:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 299 transitions. [2021-11-23 15:58:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:58:35,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:35,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 187 states and 306 transitions. [2021-11-23 15:58:37,756 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 306 transitions. [2021-11-23 15:58:37,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:58:37,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:37,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:39,456 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 15:58:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 199 states and 331 transitions. [2021-11-23 15:58:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 331 transitions. [2021-11-23 15:58:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:58:49,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:49,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:58:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 203 states and 343 transitions. [2021-11-23 15:58:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 343 transitions. [2021-11-23 15:58:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:58:53,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:53,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:58:54,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 203 states and 342 transitions. [2021-11-23 15:58:54,230 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 342 transitions. [2021-11-23 15:58:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:58:54,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:54,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:55,855 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 15:59:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 215 states and 366 transitions. [2021-11-23 15:59:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 366 transitions. [2021-11-23 15:59:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:59:07,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:07,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:59:12,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 220 states and 371 transitions. [2021-11-23 15:59:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 371 transitions. [2021-11-23 15:59:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:59:12,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:12,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:59:17,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 222 states and 373 transitions. [2021-11-23 15:59:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 373 transitions. [2021-11-23 15:59:17,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:59:17,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:17,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:59:22,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 222 states and 372 transitions. [2021-11-23 15:59:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 372 transitions. [2021-11-23 15:59:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:59:22,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:22,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:23,748 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 15:59:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:42,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 239 states and 408 transitions. [2021-11-23 15:59:42,991 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 408 transitions. [2021-11-23 15:59:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:59:42,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:42,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:43,104 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 15:59:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 244 states and 417 transitions. [2021-11-23 15:59:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 417 transitions. [2021-11-23 15:59:47,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:59:47,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:47,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:59:54,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 249 states and 426 transitions. [2021-11-23 15:59:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 426 transitions. [2021-11-23 15:59:54,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:59:54,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:54,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:00:03,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:03,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 254 states and 431 transitions. [2021-11-23 16:00:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 431 transitions. [2021-11-23 16:00:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 16:00:03,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:03,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:00:11,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 259 states and 436 transitions. [2021-11-23 16:00:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 436 transitions. [2021-11-23 16:00:11,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 16:00:11,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:11,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:00:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 254 states and 430 transitions. [2021-11-23 16:00:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 430 transitions. [2021-11-23 16:00:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 16:00:13,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:13,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:00:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 249 states and 424 transitions. [2021-11-23 16:00:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 424 transitions. [2021-11-23 16:00:14,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 16:00:14,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:14,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:00:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 267 states and 458 transitions. [2021-11-23 16:00:42,294 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 458 transitions. [2021-11-23 16:00:42,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 16:00:42,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:42,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:46,732 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 16:01:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 283 states and 487 transitions. [2021-11-23 16:01:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 487 transitions. [2021-11-23 16:01:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 16:01:14,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:14,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:15,555 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 16:01:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 291 states and 501 transitions. [2021-11-23 16:01:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 501 transitions. [2021-11-23 16:01:27,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 16:01:27,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:27,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:27,612 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 16:01:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 295 states and 505 transitions. [2021-11-23 16:01:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 505 transitions. [2021-11-23 16:01:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 16:01:31,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:31,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:01:41,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 300 states and 510 transitions. [2021-11-23 16:01:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 510 transitions. [2021-11-23 16:01:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 16:01:41,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:41,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:01:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:43,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 168 states and 218 transitions. [2021-11-23 16:01:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2021-11-23 16:01:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 16:01:43,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:43,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:43,665 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 16:01:44,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 167 states and 217 transitions. [2021-11-23 16:01:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 217 transitions. [2021-11-23 16:01:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 16:01:44,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:44,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:44,929 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 16:01:46,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 169 states and 219 transitions. [2021-11-23 16:01:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 219 transitions. [2021-11-23 16:01:46,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 16:01:46,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:46,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:02:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:02:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 176 states and 227 transitions. [2021-11-23 16:02:06,870 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 227 transitions. [2021-11-23 16:02:06,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 16:02:06,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:02:06,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:02:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:02:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:02:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:02:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 158 states and 193 transitions. [2021-11-23 16:02:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 193 transitions. [2021-11-23 16:02:10,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 16:02:10,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:02:10,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:02:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:02:19,097 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 16:03:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:03:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 179 states and 223 transitions. [2021-11-23 16:03:19,076 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 223 transitions. [2021-11-23 16:03:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 16:03:19,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:03:19,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:03:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:03:24,106 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 16:04:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:04:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 196 states and 246 transitions. [2021-11-23 16:04:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 246 transitions. [2021-11-23 16:04:18,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 16:04:18,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:04:18,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:04:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:04:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:05:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:05:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 204 states and 261 transitions. [2021-11-23 16:05:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 261 transitions. [2021-11-23 16:05:10,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 16:05:10,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:05:10,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:05:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:05:17,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:05:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:05:44,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 211 states and 267 transitions. [2021-11-23 16:05:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 267 transitions. [2021-11-23 16:05:44,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 16:05:44,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:05:44,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:05:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:05:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:06:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:06:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 218 states and 274 transitions. [2021-11-23 16:06:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 274 transitions. [2021-11-23 16:06:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 16:06:21,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:06:21,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:06:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:06:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 16:06:24,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:06:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 215 states and 270 transitions. [2021-11-23 16:06:24,205 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 270 transitions. [2021-11-23 16:06:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 16:06:24,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:06:24,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:06:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:06:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:06:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:06:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 222 states and 277 transitions. [2021-11-23 16:06:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 277 transitions. [2021-11-23 16:06:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 16:06:46,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:06:46,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:06:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:06:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 16:07:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:07:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 222 states and 276 transitions. [2021-11-23 16:07:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 276 transitions. [2021-11-23 16:07:06,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 16:07:06,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:07:06,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:07:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:07:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:07:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:07:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 228 states and 281 transitions. [2021-11-23 16:07:47,793 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 281 transitions. [2021-11-23 16:07:47,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 16:07:47,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:07:47,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:07:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:07:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:09:18,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:09:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 245 states and 304 transitions. [2021-11-23 16:09:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 304 transitions. [2021-11-23 16:09:18,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 16:09:18,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:09:18,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:09:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:09:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.