./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL --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 f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:32:30,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:32:30,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:32:30,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:32:30,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:32:30,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:32:30,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:32:30,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:32:30,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:32:30,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:32:30,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:32:30,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:32:30,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:32:30,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:32:30,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:32:30,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:32:30,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:32:30,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:32:30,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:32:30,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:32:30,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:32:30,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:32:30,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:32:30,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:32:30,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:32:30,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:32:30,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:32:30,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:32:30,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:32:30,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:32:30,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:32:30,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:32:30,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:32:30,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:32:30,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:32:30,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:32:30,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:32:30,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:32:30,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:32:30,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:32:30,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:32:30,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-25 06:32:30,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:32:30,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:32:30,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:32:30,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:32:30,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:32:30,882 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:32:30,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:32:30,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:32:30,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:32:30,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:32:30,885 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 06:32:30,886 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 06:32:30,886 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 06:32:30,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:32:30,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:32:30,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:32:30,886 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:32:30,886 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:32:30,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:32:30,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:32:30,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:32:30,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:32:30,887 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:32:30,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:32:30,887 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_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 [2021-11-25 06:32:31,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:32:31,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:32:31,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:32:31,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:32:31,203 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:32:31,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2021-11-25 06:32:31,285 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/data/bb17e9bb7/333358342ba64027972451e137889ac5/FLAG2ea3dd956 [2021-11-25 06:32:31,788 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:32:31,789 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2021-11-25 06:32:31,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/data/bb17e9bb7/333358342ba64027972451e137889ac5/FLAG2ea3dd956 [2021-11-25 06:32:32,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/data/bb17e9bb7/333358342ba64027972451e137889ac5 [2021-11-25 06:32:32,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:32:32,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:32:32,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:32:32,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:32:32,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:32:32,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4a31f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32, skipping insertion in model container [2021-11-25 06:32:32,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:32:32,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:32:32,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:32:32,514 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:32:32,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:32:32,610 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:32:32,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32 WrapperNode [2021-11-25 06:32:32,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:32:32,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:32:32,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:32:32,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:32:32,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,656 INFO L137 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-25 06:32:32,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:32:32,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:32:32,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:32:32,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:32:32,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:32:32,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:32:32,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:32:32,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:32:32,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:32:32,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:32:32,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:32:32,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adc5d4d9-4301-428d-8e55-b3f125cff355/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:32:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:32:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:32:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:32:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:32:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:32:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:32:32,853 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:32:32,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:32:33,000 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:32:33,039 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:32:33,040 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 06:32:33,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:33 BoogieIcfgContainer [2021-11-25 06:32:33,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:32:33,043 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:32:33,043 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:32:33,053 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:32:33,054 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:32:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-25 06:32:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-25 06:32:33,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:32:33,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:33,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:33,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:33,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-25 06:32:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-25 06:32:33,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:32:33,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:33,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:33,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-25 06:32:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-25 06:32:33,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:32:33,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:33,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:33,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-25 06:32:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-25 06:32:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:32:33,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:33,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-25 06:32:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-25 06:32:33,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:32:33,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:33,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:34,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-25 06:32:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-25 06:32:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:32:34,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:34,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-25 06:32:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-25 06:32:35,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:32:35,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:35,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:35,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:35,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2021-11-25 06:32:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-11-25 06:32:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:32:35,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:35,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-25 06:32:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-25 06:32:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:32:35,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:35,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:36,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:36,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-25 06:32:36,250 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-25 06:32:36,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:32:36,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:36,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:32:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-11-25 06:32:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-11-25 06:32:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:32:37,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:37,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2021-11-25 06:32:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2021-11-25 06:32:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:32:39,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:39,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2021-11-25 06:32:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2021-11-25 06:32:39,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:32:39,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:39,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:41,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:41,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2021-11-25 06:32:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2021-11-25 06:32:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:32:41,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:41,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:32:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2021-11-25 06:32:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2021-11-25 06:32:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:32:42,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:42,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:43,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2021-11-25 06:32:43,469 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2021-11-25 06:32:43,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:32:43,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:43,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:47,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2021-11-25 06:32:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2021-11-25 06:32:47,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:32:47,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:47,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:32:48,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:48,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2021-11-25 06:32:48,052 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2021-11-25 06:32:48,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:32:48,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:48,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:48,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2021-11-25 06:32:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2021-11-25 06:32:50,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:32:50,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:50,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:50,394 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2021-11-25 06:32:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2021-11-25 06:32:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:32:51,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:51,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:32:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2021-11-25 06:32:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2021-11-25 06:32:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:32:55,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:55,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:55,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2021-11-25 06:32:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2021-11-25 06:32:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:32:58,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:58,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:32:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2021-11-25 06:32:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2021-11-25 06:32:59,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:32:59,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:59,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:59,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:33:00,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2021-11-25 06:33:00,201 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2021-11-25 06:33:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:33:00,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:00,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:01,623 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:09,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2021-11-25 06:33:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2021-11-25 06:33:09,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:33:09,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:09,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-25 06:33:12,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2021-11-25 06:33:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2021-11-25 06:33:12,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:33:12,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:12,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:20,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 98 transitions. [2021-11-25 06:33:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 98 transitions. [2021-11-25 06:33:20,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:33:20,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:20,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 06:33:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions. [2021-11-25 06:33:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2021-11-25 06:33:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:33:22,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:22,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:30,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 116 transitions. [2021-11-25 06:33:30,321 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 116 transitions. [2021-11-25 06:33:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:33:30,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:30,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 06:33:30,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:30,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2021-11-25 06:33:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2021-11-25 06:33:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:33:30,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:30,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:48,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 78 states and 135 transitions. [2021-11-25 06:33:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 135 transitions. [2021-11-25 06:33:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:33:48,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:48,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-25 06:33:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:50,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2021-11-25 06:33:50,447 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2021-11-25 06:33:50,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:33:50,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:50,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 88 states and 154 transitions. [2021-11-25 06:34:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 154 transitions. [2021-11-25 06:34:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:34:03,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:03,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-25 06:34:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 88 states and 153 transitions. [2021-11-25 06:34:04,680 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 153 transitions. [2021-11-25 06:34:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:34:04,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:04,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-25 06:34:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 89 states and 154 transitions. [2021-11-25 06:34:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 154 transitions. [2021-11-25 06:34:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:34:05,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:05,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 95 states and 166 transitions. [2021-11-25 06:34:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2021-11-25 06:34:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:34:22,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:22,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 06:34:29,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:29,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 99 states and 174 transitions. [2021-11-25 06:34:29,539 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 174 transitions. [2021-11-25 06:34:29,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:34:29,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:29,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 110 states and 193 transitions. [2021-11-25 06:34:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 193 transitions. [2021-11-25 06:34:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:34:50,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:50,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 116 states and 204 transitions. [2021-11-25 06:35:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 204 transitions. [2021-11-25 06:35:07,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:35:07,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:07,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:27,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 214 transitions. [2021-11-25 06:35:27,035 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 214 transitions. [2021-11-25 06:35:27,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:35:27,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:27,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 134 states and 236 transitions. [2021-11-25 06:35:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 236 transitions. [2021-11-25 06:35:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:35:50,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:50,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 140 states and 247 transitions. [2021-11-25 06:36:12,535 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 247 transitions. [2021-11-25 06:36:12,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 06:36:12,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:12,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-25 06:36:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 143 states and 253 transitions. [2021-11-25 06:36:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 253 transitions. [2021-11-25 06:36:15,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 06:36:15,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:15,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 149 states and 263 transitions. [2021-11-25 06:36:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 263 transitions. [2021-11-25 06:36:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:36:41,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:41,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:37:10,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 161 states and 286 transitions. [2021-11-25 06:37:10,493 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 286 transitions. [2021-11-25 06:37:10,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 06:37:10,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:10,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:15,036 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:37:36,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 167 states and 297 transitions. [2021-11-25 06:37:36,551 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 297 transitions. [2021-11-25 06:37:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:37:36,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:36,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 25 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:38:08,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 173 states and 307 transitions. [2021-11-25 06:38:08,669 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 307 transitions. [2021-11-25 06:38:08,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:38:08,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:08,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:13,256 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:38:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 185 states and 331 transitions. [2021-11-25 06:38:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 331 transitions. [2021-11-25 06:38:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 06:38:43,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:43,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:39:17,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 191 states and 342 transitions. [2021-11-25 06:39:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 342 transitions. [2021-11-25 06:39:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:39:17,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:17,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:39:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 197 states and 352 transitions. [2021-11-25 06:39:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 352 transitions. [2021-11-25 06:39:56,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:39:56,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:56,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:01,986 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 8 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:40:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 209 states and 377 transitions. [2021-11-25 06:40:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 377 transitions. [2021-11-25 06:40:36,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:40:36,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:36,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:44,610 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 49 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 215 states and 388 transitions. [2021-11-25 06:41:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 388 transitions. [2021-11-25 06:41:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 06:41:16,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:16,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:24,537 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 221 states and 398 transitions. [2021-11-25 06:42:03,325 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 398 transitions. [2021-11-25 06:42:03,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 06:42:03,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:03,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 9 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 233 states and 424 transitions. [2021-11-25 06:42:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 424 transitions. [2021-11-25 06:42:49,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 06:42:49,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:49,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 64 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 239 states and 435 transitions. [2021-11-25 06:43:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 435 transitions. [2021-11-25 06:43:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 06:43:36,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:36,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 64 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:44:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:30,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 245 states and 445 transitions. [2021-11-25 06:44:30,660 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 445 transitions. [2021-11-25 06:44:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:44:30,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:30,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 10 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.