./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/tree_of_cslls.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_of_cslls.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e174a1790a7df4dcba920aa7097618d66c8703aa13de1aa6af1a2c5f7cb0971c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:42:24,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:42:24,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:42:24,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:42:24,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:42:24,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:42:24,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:42:24,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:42:24,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:42:24,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:42:24,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:42:24,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:42:24,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:42:24,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:42:24,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:42:24,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:42:24,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:42:24,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:42:24,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:42:24,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:42:24,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:42:24,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:42:24,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:42:24,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:42:24,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:42:24,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:42:24,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:42:24,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:42:24,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:42:24,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:42:24,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:42:24,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:42:24,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:42:24,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:42:24,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:42:24,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:42:24,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:42:24,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:42:24,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:42:24,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:42:24,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:42:24,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:42:24,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:42:24,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:42:24,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:42:24,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:42:24,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:42:24,721 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:42:24,721 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:42:24,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:42:24,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:42:24,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:42:24,723 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:42:24,729 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:42:24,730 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:42:24,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:42:24,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:42:24,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:42:24,731 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:42:24,731 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:42:24,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:42:24,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:24,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:42:24,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:42:24,732 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:42:24,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:42:24,732 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_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e174a1790a7df4dcba920aa7097618d66c8703aa13de1aa6af1a2c5f7cb0971c [2021-11-23 00:42:25,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:42:25,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:42:25,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:42:25,055 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:42:25,055 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:42:25,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety-ext/tree_of_cslls.i [2021-11-23 00:42:25,148 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/data/faa99782a/71112cec60b54b88a0915be2be9b6adf/FLAG43e897899 [2021-11-23 00:42:25,662 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:42:25,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/sv-benchmarks/c/memsafety-ext/tree_of_cslls.i [2021-11-23 00:42:25,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/data/faa99782a/71112cec60b54b88a0915be2be9b6adf/FLAG43e897899 [2021-11-23 00:42:25,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/data/faa99782a/71112cec60b54b88a0915be2be9b6adf [2021-11-23 00:42:25,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:42:25,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:42:25,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:25,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:42:25,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:42:25,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:25" (1/1) ... [2021-11-23 00:42:25,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9e00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:25, skipping insertion in model container [2021-11-23 00:42:25,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:25" (1/1) ... [2021-11-23 00:42:25,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:42:26,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:42:26,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:26,360 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:42:26,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:26,460 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:42:26,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26 WrapperNode [2021-11-23 00:42:26,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:26,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:26,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:42:26,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:42:26,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26" (1/1) ... [2021-11-23 00:42:26,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26" (1/1) ... [2021-11-23 00:42:26,520 INFO L137 Inliner]: procedures = 123, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 216 [2021-11-23 00:42:26,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:26,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:42:26,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:42:26,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:42:26,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26" (1/1) ... [2021-11-23 00:42:26,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26" (1/1) ... [2021-11-23 00:42:26,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26" (1/1) ... [2021-11-23 00:42:26,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26" (1/1) ... [2021-11-23 00:42:26,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26" (1/1) ... [2021-11-23 00:42:26,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26" (1/1) ... [2021-11-23 00:42:26,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26" (1/1) ... [2021-11-23 00:42:26,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:42:26,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:42:26,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:42:26,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:42:26,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:26" (1/1) ... [2021-11-23 00:42:26,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:26,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:42:26,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:42:26,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb85253-aaac-4248-8bdb-bcec30c9d3d3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:42:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:42:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:42:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:42:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:42:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:42:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:42:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:42:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:42:26,798 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:42:26,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:42:27,456 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:42:27,523 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:42:27,524 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-23 00:42:27,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:27 BoogieIcfgContainer [2021-11-23 00:42:27,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:42:27,528 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:42:27,528 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:42:27,547 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:42:27,548 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:27" (1/1) ... [2021-11-23 00:42:27,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:42:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 183 states and 203 transitions. [2021-11-23 00:42:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 203 transitions. [2021-11-23 00:42:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 00:42:27,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:27,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:27,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 182 states and 202 transitions. [2021-11-23 00:42:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 202 transitions. [2021-11-23 00:42:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 00:42:27,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:27,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:27,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 181 states and 201 transitions. [2021-11-23 00:42:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 201 transitions. [2021-11-23 00:42:27,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:42:27,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:27,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 180 states and 200 transitions. [2021-11-23 00:42:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 200 transitions. [2021-11-23 00:42:27,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:42:27,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:27,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:28,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 179 states and 199 transitions. [2021-11-23 00:42:28,014 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 199 transitions. [2021-11-23 00:42:28,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:42:28,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:28,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 178 states and 198 transitions. [2021-11-23 00:42:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 198 transitions. [2021-11-23 00:42:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:42:28,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:28,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:28,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 177 states and 197 transitions. [2021-11-23 00:42:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 197 transitions. [2021-11-23 00:42:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:42:28,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:28,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 176 states and 196 transitions. [2021-11-23 00:42:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 196 transitions. [2021-11-23 00:42:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:42:28,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:28,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 175 states and 195 transitions. [2021-11-23 00:42:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 195 transitions. [2021-11-23 00:42:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:42:28,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:28,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:28,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 174 states and 194 transitions. [2021-11-23 00:42:28,536 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 194 transitions. [2021-11-23 00:42:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:42:28,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:28,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 173 states and 193 transitions. [2021-11-23 00:42:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 193 transitions. [2021-11-23 00:42:28,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:42:28,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:28,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 172 states and 192 transitions. [2021-11-23 00:42:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 192 transitions. [2021-11-23 00:42:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:42:29,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:29,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 171 states and 191 transitions. [2021-11-23 00:42:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 191 transitions. [2021-11-23 00:42:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:42:30,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:30,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 174 states and 196 transitions. [2021-11-23 00:42:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 196 transitions. [2021-11-23 00:42:30,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:42:30,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:30,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:30,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 177 states and 201 transitions. [2021-11-23 00:42:30,548 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 201 transitions. [2021-11-23 00:42:30,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:42:30,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:30,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 181 states and 209 transitions. [2021-11-23 00:42:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 209 transitions. [2021-11-23 00:42:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:42:31,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:31,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:32,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:32,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 185 states and 217 transitions. [2021-11-23 00:42:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 217 transitions. [2021-11-23 00:42:32,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:32,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:32,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 187 states and 221 transitions. [2021-11-23 00:42:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 221 transitions. [2021-11-23 00:42:33,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:33,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:33,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 189 states and 225 transitions. [2021-11-23 00:42:34,451 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 225 transitions. [2021-11-23 00:42:34,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:34,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:34,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:34,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 189 states and 223 transitions. [2021-11-23 00:42:34,484 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 223 transitions. [2021-11-23 00:42:34,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:42:34,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:34,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 191 states and 227 transitions. [2021-11-23 00:42:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 227 transitions. [2021-11-23 00:42:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:42:35,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:35,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:35,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:35,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 194 states and 232 transitions. [2021-11-23 00:42:35,612 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2021-11-23 00:42:35,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:42:35,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:35,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 198 states and 240 transitions. [2021-11-23 00:42:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 240 transitions. [2021-11-23 00:42:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:42:35,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:35,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 202 states and 249 transitions. [2021-11-23 00:42:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 249 transitions. [2021-11-23 00:42:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:42:36,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:36,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:37,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 205 states and 255 transitions. [2021-11-23 00:42:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2021-11-23 00:42:37,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:42:37,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:37,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 208 states and 260 transitions. [2021-11-23 00:42:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 260 transitions. [2021-11-23 00:42:39,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:42:39,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:39,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:41,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 214 states and 276 transitions. [2021-11-23 00:42:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 276 transitions. [2021-11-23 00:42:41,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:42:41,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:41,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:41,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 216 states and 281 transitions. [2021-11-23 00:42:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 281 transitions. [2021-11-23 00:42:41,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:42:41,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:41,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:41,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 218 states and 286 transitions. [2021-11-23 00:42:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 286 transitions. [2021-11-23 00:42:42,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:42:42,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 217 states and 285 transitions. [2021-11-23 00:42:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 285 transitions. [2021-11-23 00:42:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:42:42,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 219 states and 288 transitions. [2021-11-23 00:42:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 288 transitions. [2021-11-23 00:42:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:42:42,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 218 states and 287 transitions. [2021-11-23 00:42:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2021-11-23 00:42:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:42:42,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:42,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 220 states and 290 transitions. [2021-11-23 00:42:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 290 transitions. [2021-11-23 00:42:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:42:42,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:42,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 221 states and 290 transitions. [2021-11-23 00:42:42,780 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 290 transitions. [2021-11-23 00:42:42,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:42:42,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:42,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 220 states and 289 transitions. [2021-11-23 00:42:42,828 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 289 transitions. [2021-11-23 00:42:42,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:42:42,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:43,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:43,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:43,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 222 states and 294 transitions. [2021-11-23 00:42:43,636 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2021-11-23 00:42:43,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:42:43,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:43,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 221 states and 293 transitions. [2021-11-23 00:42:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 293 transitions. [2021-11-23 00:42:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:42:43,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:43,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:43,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:43,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:43,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 224 states and 299 transitions. [2021-11-23 00:42:43,705 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 299 transitions. [2021-11-23 00:42:43,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:42:43,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:43,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 225 states and 301 transitions. [2021-11-23 00:42:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 301 transitions. [2021-11-23 00:42:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:42:44,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:44,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:49,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 232 states and 326 transitions. [2021-11-23 00:42:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 326 transitions. [2021-11-23 00:42:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:42:49,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:49,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 234 states and 330 transitions. [2021-11-23 00:42:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 330 transitions. [2021-11-23 00:42:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:42:50,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:50,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:51,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 234 states and 329 transitions. [2021-11-23 00:42:53,165 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 329 transitions. [2021-11-23 00:42:53,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:42:53,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 235 states and 331 transitions. [2021-11-23 00:42:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 331 transitions. [2021-11-23 00:42:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:42:53,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 234 states and 330 transitions. [2021-11-23 00:42:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 330 transitions. [2021-11-23 00:42:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:42:53,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 236 states and 335 transitions. [2021-11-23 00:42:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 335 transitions. [2021-11-23 00:42:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:42:53,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 235 states and 334 transitions. [2021-11-23 00:42:53,921 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 334 transitions. [2021-11-23 00:42:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:42:53,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:55,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 236 states and 337 transitions. [2021-11-23 00:42:55,520 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 337 transitions. [2021-11-23 00:42:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:42:55,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:55,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:42:56,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:56,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 237 states and 339 transitions. [2021-11-23 00:42:56,535 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 339 transitions. [2021-11-23 00:42:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:42:56,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:56,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:42:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 238 states and 340 transitions. [2021-11-23 00:42:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 340 transitions. [2021-11-23 00:42:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:42:57,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:57,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:57,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 237 states and 339 transitions. [2021-11-23 00:42:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 339 transitions. [2021-11-23 00:42:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:42:57,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:57,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:57,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:57,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 239 states and 344 transitions. [2021-11-23 00:42:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 344 transitions. [2021-11-23 00:42:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:42:57,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:57,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 242 states and 349 transitions. [2021-11-23 00:43:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 349 transitions. [2021-11-23 00:43:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:43:00,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:00,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:00,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 247 states and 361 transitions. [2021-11-23 00:43:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 361 transitions. [2021-11-23 00:43:02,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:43:02,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:02,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:04,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 250 states and 367 transitions. [2021-11-23 00:43:04,145 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 367 transitions. [2021-11-23 00:43:04,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:43:04,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:04,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:04,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:04,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 251 states and 370 transitions. [2021-11-23 00:43:04,782 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 370 transitions. [2021-11-23 00:43:04,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:43:04,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:04,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:11,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 258 states and 391 transitions. [2021-11-23 00:43:11,410 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 391 transitions. [2021-11-23 00:43:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:43:11,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:11,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:11,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 257 states and 390 transitions. [2021-11-23 00:43:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 390 transitions. [2021-11-23 00:43:11,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:43:11,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:11,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 262 states and 396 transitions. [2021-11-23 00:43:12,268 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 396 transitions. [2021-11-23 00:43:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:43:12,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:12,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 261 states and 395 transitions. [2021-11-23 00:43:12,336 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 395 transitions. [2021-11-23 00:43:12,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:43:12,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:12,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 262 states and 396 transitions. [2021-11-23 00:43:12,390 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 396 transitions. [2021-11-23 00:43:12,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:43:12,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:12,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:43:13,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 263 states and 397 transitions. [2021-11-23 00:43:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 397 transitions. [2021-11-23 00:43:13,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:43:13,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:13,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:13,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:43:13,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 263 states and 396 transitions. [2021-11-23 00:43:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 396 transitions. [2021-11-23 00:43:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:43:13,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:13,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:15,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 266 states and 402 transitions. [2021-11-23 00:43:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 402 transitions. [2021-11-23 00:43:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:43:15,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:15,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 270 states and 412 transitions. [2021-11-23 00:43:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 412 transitions. [2021-11-23 00:43:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:43:17,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:17,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 269 states and 411 transitions. [2021-11-23 00:43:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 411 transitions. [2021-11-23 00:43:17,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:43:17,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 269 states and 410 transitions. [2021-11-23 00:43:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 410 transitions. [2021-11-23 00:43:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:43:17,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 270 states and 411 transitions. [2021-11-23 00:43:17,988 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 411 transitions. [2021-11-23 00:43:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:43:17,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 271 states and 414 transitions. [2021-11-23 00:43:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 414 transitions. [2021-11-23 00:43:18,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:43:18,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:18,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:20,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:20,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 272 states and 417 transitions. [2021-11-23 00:43:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 417 transitions. [2021-11-23 00:43:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:20,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:20,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:43:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 277 states and 427 transitions. [2021-11-23 00:43:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 427 transitions. [2021-11-23 00:43:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:24,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:24,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:24,982 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 277 states and 425 transitions. [2021-11-23 00:43:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 425 transitions. [2021-11-23 00:43:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:26,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:26,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:43:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 279 states and 428 transitions. [2021-11-23 00:43:26,896 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 428 transitions. [2021-11-23 00:43:26,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:26,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:26,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 279 states and 427 transitions. [2021-11-23 00:43:28,440 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 427 transitions. [2021-11-23 00:43:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:28,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:28,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 288 states and 450 transitions. [2021-11-23 00:43:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 450 transitions. [2021-11-23 00:43:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:37,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:37,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:45,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 300 states and 474 transitions. [2021-11-23 00:43:45,759 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 474 transitions. [2021-11-23 00:43:45,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:45,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:45,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 312 states and 498 transitions. [2021-11-23 00:43:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 498 transitions. [2021-11-23 00:43:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:55,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 311 states and 497 transitions. [2021-11-23 00:43:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 497 transitions. [2021-11-23 00:43:55,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:55,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 312 states and 498 transitions. [2021-11-23 00:43:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 498 transitions. [2021-11-23 00:43:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:55,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:55,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 311 states and 497 transitions. [2021-11-23 00:43:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 497 transitions. [2021-11-23 00:43:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:43:55,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 313 states and 509 transitions. [2021-11-23 00:43:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 509 transitions. [2021-11-23 00:43:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:43:55,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:55,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 312 states and 508 transitions. [2021-11-23 00:43:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 508 transitions. [2021-11-23 00:43:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:43:55,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 313 states and 509 transitions. [2021-11-23 00:43:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 509 transitions. [2021-11-23 00:43:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:43:55,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 313 states and 508 transitions. [2021-11-23 00:43:55,779 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 508 transitions. [2021-11-23 00:43:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:43:55,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 313 states and 507 transitions. [2021-11-23 00:43:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 507 transitions. [2021-11-23 00:43:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:55,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:56,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 315 states and 511 transitions. [2021-11-23 00:43:56,545 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 511 transitions. [2021-11-23 00:43:56,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:56,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:56,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 318 states and 516 transitions. [2021-11-23 00:43:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 516 transitions. [2021-11-23 00:43:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:57,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:57,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:57,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 319 states and 517 transitions. [2021-11-23 00:43:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 517 transitions. [2021-11-23 00:43:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:57,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:57,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:57,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:57,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 320 states and 518 transitions. [2021-11-23 00:43:57,682 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 518 transitions. [2021-11-23 00:43:57,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:57,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:57,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:57,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 319 states and 517 transitions. [2021-11-23 00:43:57,716 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 517 transitions. [2021-11-23 00:43:57,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:57,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:57,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:59,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 320 states and 519 transitions. [2021-11-23 00:43:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 519 transitions. [2021-11-23 00:43:59,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:59,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:59,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:03,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 328 states and 534 transitions. [2021-11-23 00:44:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 534 transitions. [2021-11-23 00:44:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:44:03,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:03,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:44:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 336 states and 549 transitions. [2021-11-23 00:44:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 549 transitions. [2021-11-23 00:44:07,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:44:07,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:07,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 339 states and 554 transitions. [2021-11-23 00:44:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 554 transitions. [2021-11-23 00:44:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:44:12,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:12,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:16,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:16,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 342 states and 561 transitions. [2021-11-23 00:44:16,138 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 561 transitions. [2021-11-23 00:44:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:44:16,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:16,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 345 states and 567 transitions. [2021-11-23 00:44:21,147 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 567 transitions. [2021-11-23 00:44:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:44:21,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:21,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:21,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:21,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 344 states and 566 transitions. [2021-11-23 00:44:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 566 transitions. [2021-11-23 00:44:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:44:21,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:21,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 345 states and 567 transitions. [2021-11-23 00:44:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 567 transitions. [2021-11-23 00:44:21,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:44:21,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:21,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:44:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 353 states and 582 transitions. [2021-11-23 00:44:25,080 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 582 transitions. [2021-11-23 00:44:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:44:25,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:25,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 361 states and 599 transitions. [2021-11-23 00:44:45,707 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 599 transitions. [2021-11-23 00:44:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:44:45,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:06,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 379 states and 636 transitions. [2021-11-23 00:45:06,140 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 636 transitions. [2021-11-23 00:45:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:45:06,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:06,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 378 states and 635 transitions. [2021-11-23 00:45:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 635 transitions. [2021-11-23 00:45:07,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:45:07,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:07,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:08,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 380 states and 637 transitions. [2021-11-23 00:45:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 637 transitions. [2021-11-23 00:45:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:45:08,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:08,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:14,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:14,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 383 states and 643 transitions. [2021-11-23 00:45:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 643 transitions. [2021-11-23 00:45:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:45:14,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:14,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:21,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:21,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 386 states and 647 transitions. [2021-11-23 00:45:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 647 transitions. [2021-11-23 00:45:21,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:45:21,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:21,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 387 states and 648 transitions. [2021-11-23 00:45:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 648 transitions. [2021-11-23 00:45:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:45:24,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:24,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 388 states and 649 transitions. [2021-11-23 00:45:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 649 transitions. [2021-11-23 00:45:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:45:27,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:27,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:44,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 395 states and 663 transitions. [2021-11-23 00:45:44,896 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 663 transitions. [2021-11-23 00:45:44,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:45:44,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:44,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:49,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:49,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 399 states and 668 transitions. [2021-11-23 00:45:49,265 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 668 transitions. [2021-11-23 00:45:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:45:49,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:49,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:53,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:20,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 418 states and 708 transitions. [2021-11-23 00:46:20,505 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 708 transitions. [2021-11-23 00:46:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:46:20,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:20,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:46,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 433 states and 738 transitions. [2021-11-23 00:46:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 738 transitions. [2021-11-23 00:46:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:46:46,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:46:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 433 states and 737 transitions. [2021-11-23 00:46:47,699 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 737 transitions. [2021-11-23 00:46:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:46:47,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:46:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 405 states and 682 transitions. [2021-11-23 00:46:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 682 transitions. [2021-11-23 00:46:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:46:49,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:49,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 409 states and 686 transitions. [2021-11-23 00:46:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 686 transitions. [2021-11-23 00:46:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:46:53,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:53,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 414 states and 695 transitions. [2021-11-23 00:47:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 695 transitions. [2021-11-23 00:47:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:47:13,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:13,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:47:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:25,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 419 states and 701 transitions. [2021-11-23 00:47:25,139 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 701 transitions. [2021-11-23 00:47:25,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:47:25,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:25,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:25,195 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:47:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:27,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 411 states and 688 transitions. [2021-11-23 00:47:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 688 transitions. [2021-11-23 00:47:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:47:27,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:27,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:47:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 413 states and 691 transitions. [2021-11-23 00:47:29,247 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 691 transitions. [2021-11-23 00:47:29,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:47:29,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:29,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 355 states and 575 transitions. [2021-11-23 00:47:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 575 transitions. [2021-11-23 00:47:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:47:43,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:43,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:31,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 376 states and 613 transitions. [2021-11-23 00:48:31,654 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 613 transitions. [2021-11-23 00:48:31,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:48:31,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:31,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:42,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 386 states and 633 transitions. [2021-11-23 00:48:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 633 transitions. [2021-11-23 00:48:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:48:42,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:42,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:44,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 396 states and 651 transitions. [2021-11-23 00:48:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 651 transitions. [2021-11-23 00:48:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:48:57,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:57,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:50,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:50,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 412 states and 691 transitions. [2021-11-23 00:49:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 691 transitions. [2021-11-23 00:49:50,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:49:50,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:50,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 429 states and 731 transitions. [2021-11-23 00:50:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 731 transitions. [2021-11-23 00:50:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:50:28,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:28,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:39,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:15,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 446 states and 770 transitions. [2021-11-23 00:51:15,065 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 770 transitions. [2021-11-23 00:51:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:51:15,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:15,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:28,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 452 states and 781 transitions. [2021-11-23 00:51:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 781 transitions. [2021-11-23 00:51:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:51:28,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:28,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 454 states and 785 transitions. [2021-11-23 00:51:30,314 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 785 transitions. [2021-11-23 00:51:30,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:51:30,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:30,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:32,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 456 states and 789 transitions. [2021-11-23 00:51:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 789 transitions. [2021-11-23 00:51:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:51:32,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:32,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 458 states and 805 transitions. [2021-11-23 00:51:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 805 transitions. [2021-11-23 00:51:34,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:51:34,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:34,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:34,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 459 states and 805 transitions. [2021-11-23 00:51:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 805 transitions. [2021-11-23 00:51:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:51:34,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:34,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:03,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:03,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 470 states and 825 transitions. [2021-11-23 00:52:03,910 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 825 transitions. [2021-11-23 00:52:03,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:52:03,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:03,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:33,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:33,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 494 states and 877 transitions. [2021-11-23 00:53:33,394 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 877 transitions. [2021-11-23 00:53:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:53:33,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:33,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:35,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 495 states and 880 transitions. [2021-11-23 00:53:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 880 transitions. [2021-11-23 00:53:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:53:35,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:35,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:37,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:37,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 497 states and 884 transitions. [2021-11-23 00:53:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 884 transitions. [2021-11-23 00:53:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:53:37,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:37,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:40,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 500 states and 889 transitions. [2021-11-23 00:53:40,303 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 889 transitions. [2021-11-23 00:53:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:53:40,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:40,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:05,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 503 states and 895 transitions. [2021-11-23 00:54:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 895 transitions. [2021-11-23 00:54:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:05,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:05,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat