./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:34:32,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:34:32,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:34:32,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:34:32,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:34:32,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:34:32,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:34:32,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:34:32,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:34:32,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:34:32,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:34:32,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:34:32,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:34:32,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:34:32,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:34:32,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:34:32,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:34:32,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:34:32,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:34:32,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:34:32,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:34:32,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:34:32,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:34:32,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:34:32,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:34:32,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:34:32,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:34:32,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:34:32,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:34:32,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:34:32,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:34:32,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:34:32,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:34:32,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:34:32,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:34:32,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:34:32,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:34:32,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:34:32,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:34:32,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:34:32,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:34:32,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 06:34:32,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:34:32,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:34:32,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:34:32,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:34:32,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:34:32,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:34:32,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:34:32,504 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:34:32,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:34:32,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:34:32,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:34:32,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:34:32,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:34:32,512 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:34:32,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:34:32,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:34:32,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:34:32,513 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:34:32,513 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:34:32,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:34:32,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:34:32,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:34:32,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:34:32,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:34:32,514 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:34:32,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:34:32,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:34:32,515 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_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 [2021-11-21 06:34:32,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:34:32,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:34:32,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:34:32,806 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:34:32,807 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:34:32,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/Bangalore-2.c [2021-11-21 06:34:32,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/data/6919539d5/65374fdb01264cb1bafb8af69f80abf1/FLAGe9aa45fc9 [2021-11-21 06:34:33,346 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:34:33,347 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/sv-benchmarks/c/termination-crafted/Bangalore-2.c [2021-11-21 06:34:33,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/data/6919539d5/65374fdb01264cb1bafb8af69f80abf1/FLAGe9aa45fc9 [2021-11-21 06:34:33,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/data/6919539d5/65374fdb01264cb1bafb8af69f80abf1 [2021-11-21 06:34:33,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:34:33,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:34:33,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:34:33,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:34:33,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:34:33,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:33,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e2d25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33, skipping insertion in model container [2021-11-21 06:34:33,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:33,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:34:33,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:34:33,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:34:33,937 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:34:33,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:34:33,960 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:34:33,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33 WrapperNode [2021-11-21 06:34:33,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:34:33,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:34:33,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:34:33,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:34:33,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:33,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:33,995 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-21 06:34:33,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:34:33,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:34:33,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:34:33,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:34:34,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:34,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:34,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:34,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:34,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:34,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:34,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:34,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:34:34,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:34:34,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:34:34,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:34:34,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:33" (1/1) ... [2021-11-21 06:34:34,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:34:34,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:34:34,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:34:34,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d33b57-c12e-4c2f-9653-2523d1a29544/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:34:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:34:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:34:34,165 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:34:34,167 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:34:34,273 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:34:34,288 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:34:34,288 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:34:34,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:34 BoogieIcfgContainer [2021-11-21 06:34:34,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:34:34,292 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:34:34,292 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:34:34,303 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:34:34,303 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:34" (1/1) ... [2021-11-21 06:34:34,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:34:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-11-21 06:34:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-21 06:34:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:34:34,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:34,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-21 06:34:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-21 06:34:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:34:34,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:34,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:34,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2021-11-21 06:34:34,942 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2021-11-21 06:34:34,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:34:34,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:34,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2021-11-21 06:34:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2021-11-21 06:34:35,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:34:35,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:35,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:34:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:35,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 33 transitions. [2021-11-21 06:34:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2021-11-21 06:34:35,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:34:35,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:35,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2021-11-21 06:34:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2021-11-21 06:34:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:34:36,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:36,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:37,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2021-11-21 06:34:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2021-11-21 06:34:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:34:37,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:37,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:37,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2021-11-21 06:34:37,955 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2021-11-21 06:34:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:34:37,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:37,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2021-11-21 06:34:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2021-11-21 06:34:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:34:38,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:38,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2021-11-21 06:34:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2021-11-21 06:34:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:34:40,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:40,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:41,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2021-11-21 06:34:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2021-11-21 06:34:41,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:34:41,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:41,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2021-11-21 06:34:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2021-11-21 06:34:43,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:34:43,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:43,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2021-11-21 06:34:45,554 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2021-11-21 06:34:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 06:34:45,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:45,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:48,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 87 transitions. [2021-11-21 06:34:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2021-11-21 06:34:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:34:48,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:48,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 93 transitions. [2021-11-21 06:34:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-11-21 06:34:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:34:50,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:50,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 99 transitions. [2021-11-21 06:34:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2021-11-21 06:34:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:34:54,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:54,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:34:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:34:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2021-11-21 06:34:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2021-11-21 06:34:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:34:57,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:34:57,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:34:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:34:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 58 states and 111 transitions. [2021-11-21 06:35:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2021-11-21 06:35:02,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:35:02,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:02,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2021-11-21 06:35:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2021-11-21 06:35:07,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:35:07,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:07,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:09,423 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:13,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:13,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 123 transitions. [2021-11-21 06:35:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 123 transitions. [2021-11-21 06:35:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:35:13,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:13,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:19,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2021-11-21 06:35:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2021-11-21 06:35:19,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 06:35:19,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:19,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:26,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:26,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 70 states and 135 transitions. [2021-11-21 06:35:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2021-11-21 06:35:26,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:35:26,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:26,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:34,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2021-11-21 06:35:34,718 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2021-11-21 06:35:34,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 06:35:34,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:34,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 76 states and 147 transitions. [2021-11-21 06:35:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 147 transitions. [2021-11-21 06:35:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:35:43,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:43,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:47,282 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:35:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:35:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 79 states and 153 transitions. [2021-11-21 06:35:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2021-11-21 06:35:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-21 06:35:53,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:35:53,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:35:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:35:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:04,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:04,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 82 states and 159 transitions. [2021-11-21 06:36:04,480 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 159 transitions. [2021-11-21 06:36:04,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 06:36:04,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:04,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:16,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 85 states and 165 transitions. [2021-11-21 06:36:16,622 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 165 transitions. [2021-11-21 06:36:16,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 06:36:16,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:16,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 88 states and 171 transitions. [2021-11-21 06:36:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 171 transitions. [2021-11-21 06:36:29,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 06:36:29,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:29,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:36:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:36:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 91 states and 177 transitions. [2021-11-21 06:36:44,486 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions. [2021-11-21 06:36:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 06:36:44,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:36:44,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:36:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:36:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 94 states and 183 transitions. [2021-11-21 06:37:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 183 transitions. [2021-11-21 06:37:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 06:37:00,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:00,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:07,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:18,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 97 states and 189 transitions. [2021-11-21 06:37:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 189 transitions. [2021-11-21 06:37:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 06:37:18,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:18,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 100 states and 195 transitions. [2021-11-21 06:37:38,483 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 195 transitions. [2021-11-21 06:37:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 06:37:38,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:38,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:37:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:37:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:37:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 103 states and 201 transitions. [2021-11-21 06:37:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 201 transitions. [2021-11-21 06:37:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 06:37:59,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:37:59,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:37:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 106 states and 207 transitions. [2021-11-21 06:38:22,725 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2021-11-21 06:38:22,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-21 06:38:22,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:22,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 0 proven. 1457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:38:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:38:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 109 states and 213 transitions. [2021-11-21 06:38:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 213 transitions. [2021-11-21 06:38:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 06:38:47,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:38:47,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:38:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:38:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 0 proven. 1552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:13,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 112 states and 219 transitions. [2021-11-21 06:39:13,808 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 219 transitions. [2021-11-21 06:39:13,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-21 06:39:13,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:13,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 0 proven. 1650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:42,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 115 states and 225 transitions. [2021-11-21 06:39:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 225 transitions. [2021-11-21 06:39:42,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 06:39:42,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:42,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 0 proven. 1751 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:14,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 118 states and 231 transitions. [2021-11-21 06:40:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 231 transitions. [2021-11-21 06:40:14,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 06:40:14,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:14,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 1855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:40:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 121 states and 237 transitions. [2021-11-21 06:40:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 237 transitions. [2021-11-21 06:40:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 06:40:47,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:47,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:02,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 0 proven. 1962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 124 states and 243 transitions. [2021-11-21 06:41:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 243 transitions. [2021-11-21 06:41:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-21 06:41:24,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:24,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 0 proven. 2072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:42:02,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 127 states and 249 transitions. [2021-11-21 06:42:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 249 transitions. [2021-11-21 06:42:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-21 06:42:02,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:02,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2185 backedges. 0 proven. 2185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:42:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 130 states and 255 transitions. [2021-11-21 06:42:44,118 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 255 transitions. [2021-11-21 06:42:44,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-21 06:42:44,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:44,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:43:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 133 states and 261 transitions. [2021-11-21 06:43:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 261 transitions. [2021-11-21 06:43:27,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 06:43:27,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:27,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 2420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:44:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:44:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 136 states and 267 transitions. [2021-11-21 06:44:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 267 transitions. [2021-11-21 06:44:14,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-21 06:44:14,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:44:14,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:44:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:44:35,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2542 backedges. 0 proven. 2542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:45:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:45:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 139 states and 273 transitions. [2021-11-21 06:45:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 273 transitions. [2021-11-21 06:45:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 06:45:04,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:45:04,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:45:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:45:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 0 proven. 2667 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.