./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30f0768bbff34913c5dfb0ad37a2819c04e85c489714efe7283dacc3cb1675b9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:03:05,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:03:05,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:03:05,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:03:05,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:03:05,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:03:05,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:03:05,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:03:05,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:03:05,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:03:05,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:03:05,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:03:05,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:03:05,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:03:05,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:03:05,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:03:05,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:03:05,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:03:05,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:03:05,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:03:05,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:03:05,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:03:05,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:03:05,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:03:05,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:03:05,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:03:05,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:03:05,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:03:05,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:03:05,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:03:05,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:03:05,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:03:05,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:03:05,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:03:05,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:03:05,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:03:05,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:03:05,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:03:05,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:03:05,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:03:05,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:03:05,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:03:05,411 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:03:05,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:03:05,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:03:05,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:03:05,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:03:05,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:03:05,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:03:05,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:03:05,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:03:05,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:03:05,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:03:05,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:03:05,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:03:05,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:03:05,423 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:03:05,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:03:05,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:03:05,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:03:05,424 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:03:05,424 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:03:05,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:03:05,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:05,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:03:05,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:03:05,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:03:05,425 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:03:05,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:03:05,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:03:05,426 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_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30f0768bbff34913c5dfb0ad37a2819c04e85c489714efe7283dacc3cb1675b9 [2021-11-13 23:03:05,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:03:05,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:03:05,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:03:05,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:03:05,778 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:03:05,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-13 23:03:05,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/data/5c0f68631/4d098fcb39044799b9d10097cc29e8aa/FLAG9019ec071 [2021-11-13 23:03:06,412 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:03:06,414 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-13 23:03:06,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/data/5c0f68631/4d098fcb39044799b9d10097cc29e8aa/FLAG9019ec071 [2021-11-13 23:03:06,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/data/5c0f68631/4d098fcb39044799b9d10097cc29e8aa [2021-11-13 23:03:06,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:03:06,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:03:06,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:06,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:03:06,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:03:06,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:06" (1/1) ... [2021-11-13 23:03:06,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95e9ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:06, skipping insertion in model container [2021-11-13 23:03:06,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:06" (1/1) ... [2021-11-13 23:03:06,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:03:06,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:03:07,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9094,9107] [2021-11-13 23:03:07,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:07,242 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:03:07,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9094,9107] [2021-11-13 23:03:07,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:07,467 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:03:07,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07 WrapperNode [2021-11-13 23:03:07,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:07,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:07,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:03:07,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:03:07,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07" (1/1) ... [2021-11-13 23:03:07,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07" (1/1) ... [2021-11-13 23:03:07,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:07,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:03:07,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:03:07,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:03:07,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07" (1/1) ... [2021-11-13 23:03:07,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07" (1/1) ... [2021-11-13 23:03:07,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07" (1/1) ... [2021-11-13 23:03:07,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07" (1/1) ... [2021-11-13 23:03:07,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07" (1/1) ... [2021-11-13 23:03:07,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07" (1/1) ... [2021-11-13 23:03:07,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07" (1/1) ... [2021-11-13 23:03:07,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:03:07,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:03:07,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:03:07,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:03:07,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:07" (1/1) ... [2021-11-13 23:03:07,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:07,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:03:07,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:03:07,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c1e88a-734c-4222-b146-38feb85f748f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:03:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:03:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:03:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:03:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:03:08,882 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:03:08,883 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 23:03:08,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:08 BoogieIcfgContainer [2021-11-13 23:03:08,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:03:08,887 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:03:08,887 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:03:08,900 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:03:08,900 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:08" (1/1) ... [2021-11-13 23:03:08,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:03:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:08,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 124 states and 216 transitions. [2021-11-13 23:03:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 216 transitions. [2021-11-13 23:03:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:03:08,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:08,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 136 states and 238 transitions. [2021-11-13 23:03:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2021-11-13 23:03:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:03:09,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:09,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:09,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 142 states and 249 transitions. [2021-11-13 23:03:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 249 transitions. [2021-11-13 23:03:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:03:10,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:10,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:10,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 143 states and 250 transitions. [2021-11-13 23:03:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 250 transitions. [2021-11-13 23:03:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:03:10,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:10,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:10,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:10,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 144 states and 251 transitions. [2021-11-13 23:03:10,739 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2021-11-13 23:03:10,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:03:10,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:10,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:10,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:10,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 133 states and 231 transitions. [2021-11-13 23:03:10,919 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 231 transitions. [2021-11-13 23:03:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:03:10,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:10,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:11,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 143 states and 250 transitions. [2021-11-13 23:03:11,796 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 250 transitions. [2021-11-13 23:03:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:03:11,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:11,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 244 transitions. [2021-11-13 23:03:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 244 transitions. [2021-11-13 23:03:11,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:03:11,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:11,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:12,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 141 states and 245 transitions. [2021-11-13 23:03:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2021-11-13 23:03:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:03:12,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:12,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 134 states and 230 transitions. [2021-11-13 23:03:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 230 transitions. [2021-11-13 23:03:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:03:12,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:12,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 137 states and 235 transitions. [2021-11-13 23:03:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 235 transitions. [2021-11-13 23:03:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:03:13,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:13,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:13,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 138 states and 236 transitions. [2021-11-13 23:03:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 236 transitions. [2021-11-13 23:03:13,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:03:13,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:13,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 217 transitions. [2021-11-13 23:03:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 217 transitions. [2021-11-13 23:03:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:03:13,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:13,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 127 states and 216 transitions. [2021-11-13 23:03:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2021-11-13 23:03:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:03:16,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:16,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 210 transitions. [2021-11-13 23:03:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 210 transitions. [2021-11-13 23:03:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 23:03:16,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:16,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:16,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:19,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 209 transitions. [2021-11-13 23:03:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2021-11-13 23:03:19,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:03:19,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:19,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:04:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:36,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 126 states and 211 transitions. [2021-11-13 23:04:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 211 transitions. [2021-11-13 23:04:36,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:04:36,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:36,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:05,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 129 states and 213 transitions. [2021-11-13 23:06:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 213 transitions. [2021-11-13 23:06:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:06:05,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:05,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:10:15,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 133 states and 218 transitions. [2021-11-13 23:10:15,097 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 218 transitions. [2021-11-13 23:10:15,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 23:10:15,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:15,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:10:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2021-11-13 23:10:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2021-11-13 23:10:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 23:10:27,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:27,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:10:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:55,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 144 states and 234 transitions. [2021-11-13 23:10:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 234 transitions. [2021-11-13 23:10:55,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-13 23:10:55,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:55,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:22,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 157 states and 257 transitions. [2021-11-13 23:11:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2021-11-13 23:11:22,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-13 23:11:22,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:22,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:23,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 158 states and 257 transitions. [2021-11-13 23:11:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 257 transitions. [2021-11-13 23:11:23,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 23:11:23,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:23,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:24,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2021-11-13 23:11:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2021-11-13 23:11:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 23:11:50,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 177 states and 290 transitions. [2021-11-13 23:11:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 290 transitions. [2021-11-13 23:11:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 23:11:50,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:50,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 178 states and 290 transitions. [2021-11-13 23:11:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 290 transitions. [2021-11-13 23:11:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 23:11:50,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:17,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 201 states and 333 transitions. [2021-11-13 23:12:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 333 transitions. [2021-11-13 23:12:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 23:12:17,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:17,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 202 states and 333 transitions. [2021-11-13 23:12:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 333 transitions. [2021-11-13 23:12:17,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 23:12:17,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:17,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 203 states and 333 transitions. [2021-11-13 23:12:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 333 transitions. [2021-11-13 23:12:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 23:12:17,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:17,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 204 states and 333 transitions. [2021-11-13 23:12:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 333 transitions. [2021-11-13 23:12:17,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 23:12:17,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:17,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:43,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:43,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 232 states and 386 transitions. [2021-11-13 23:12:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 386 transitions. [2021-11-13 23:12:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 23:12:43,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:43,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:43,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 233 states and 386 transitions. [2021-11-13 23:12:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 386 transitions. [2021-11-13 23:12:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 23:12:43,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:43,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:43,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:43,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 234 states and 386 transitions. [2021-11-13 23:12:43,319 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 386 transitions. [2021-11-13 23:12:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 23:12:43,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:43,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:43,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 235 states and 386 transitions. [2021-11-13 23:12:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 386 transitions. [2021-11-13 23:12:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 23:12:43,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:43,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:12:43,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 236 states and 386 transitions. [2021-11-13 23:12:43,503 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 386 transitions. [2021-11-13 23:12:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 23:12:43,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:43,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 269 states and 447 transitions. [2021-11-13 23:13:08,109 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 447 transitions. [2021-11-13 23:13:08,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 23:13:08,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:08,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:08,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 270 states and 447 transitions. [2021-11-13 23:13:08,207 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 447 transitions. [2021-11-13 23:13:08,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 23:13:08,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:08,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:08,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:08,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 271 states and 447 transitions. [2021-11-13 23:13:08,298 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 447 transitions. [2021-11-13 23:13:08,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 23:13:08,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:08,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:08,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 272 states and 447 transitions. [2021-11-13 23:13:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 447 transitions. [2021-11-13 23:13:08,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 23:13:08,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:08,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 273 states and 447 transitions. [2021-11-13 23:13:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 447 transitions. [2021-11-13 23:13:08,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 23:13:08,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:08,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:08,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 274 states and 447 transitions. [2021-11-13 23:13:08,571 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 447 transitions. [2021-11-13 23:13:08,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 23:13:08,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:08,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 303 states and 505 transitions. [2021-11-13 23:13:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 505 transitions. [2021-11-13 23:13:26,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 23:13:26,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:26,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 304 states and 505 transitions. [2021-11-13 23:13:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 505 transitions. [2021-11-13 23:13:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 23:13:26,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:26,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 305 states and 505 transitions. [2021-11-13 23:13:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 505 transitions. [2021-11-13 23:13:26,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 23:13:26,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:26,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 306 states and 505 transitions. [2021-11-13 23:13:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 505 transitions. [2021-11-13 23:13:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 23:13:26,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:26,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:27,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:27,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 307 states and 505 transitions. [2021-11-13 23:13:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 505 transitions. [2021-11-13 23:13:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 23:13:27,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:27,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 308 states and 505 transitions. [2021-11-13 23:13:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 505 transitions. [2021-11-13 23:13:27,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 23:13:27,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:27,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 309 states and 505 transitions. [2021-11-13 23:13:27,246 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 505 transitions. [2021-11-13 23:13:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:13:27,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:27,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:27,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 340 states and 566 transitions. [2021-11-13 23:13:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 566 transitions. [2021-11-13 23:13:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:13:49,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:49,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 372 states and 629 transitions. [2021-11-13 23:14:10,766 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 629 transitions. [2021-11-13 23:14:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:10,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:10,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 375 states and 632 transitions. [2021-11-13 23:14:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 632 transitions. [2021-11-13 23:14:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:14,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:14,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 376 states and 632 transitions. [2021-11-13 23:14:15,545 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 632 transitions. [2021-11-13 23:14:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:15,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:15,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 377 states and 632 transitions. [2021-11-13 23:14:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 632 transitions. [2021-11-13 23:14:15,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:15,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:15,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:16,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 378 states and 632 transitions. [2021-11-13 23:14:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 632 transitions. [2021-11-13 23:14:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:16,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:16,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:16,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:16,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 379 states and 632 transitions. [2021-11-13 23:14:16,309 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 632 transitions. [2021-11-13 23:14:16,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:16,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:16,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 380 states and 632 transitions. [2021-11-13 23:14:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 632 transitions. [2021-11-13 23:14:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:17,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:17,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 381 states and 632 transitions. [2021-11-13 23:14:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 632 transitions. [2021-11-13 23:14:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:17,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:17,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 382 states and 632 transitions. [2021-11-13 23:14:17,888 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 632 transitions. [2021-11-13 23:14:17,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:17,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:17,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:17,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 383 states and 632 transitions. [2021-11-13 23:14:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 632 transitions. [2021-11-13 23:14:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:17,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:17,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 384 states and 632 transitions. [2021-11-13 23:14:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 632 transitions. [2021-11-13 23:14:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:18,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:18,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:18,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 385 states and 632 transitions. [2021-11-13 23:14:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 632 transitions. [2021-11-13 23:14:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:18,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:18,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 386 states and 635 transitions. [2021-11-13 23:14:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 635 transitions. [2021-11-13 23:14:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:14:21,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:21,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 387 states and 635 transitions. [2021-11-13 23:14:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 635 transitions. [2021-11-13 23:14:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 23:14:23,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:23,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:15:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:33,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 421 states and 698 transitions. [2021-11-13 23:15:33,073 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 698 transitions. [2021-11-13 23:15:33,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 23:15:33,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:33,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.