./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-reverse.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_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/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_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/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_3f2017af-a686-4298-813b-50f58e9b1943/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 52fc70d7844651686a4c27e057f507f0498e7d5f7c17f07a035699d1630f6ea2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:16:50,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:16:50,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:16:50,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:16:50,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:16:50,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:16:50,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:16:50,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:16:50,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:16:50,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:16:50,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:16:50,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:16:50,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:16:50,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:16:50,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:16:50,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:16:50,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:16:50,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:16:50,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:16:50,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:16:50,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:16:50,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:16:50,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:16:50,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:16:50,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:16:50,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:16:50,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:16:50,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:16:50,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:16:50,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:16:50,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:16:50,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:16:50,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:16:50,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:16:50,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:16:50,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:16:50,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:16:50,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:16:50,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:16:50,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:16:50,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:16:50,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:16:50,946 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:16:50,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:16:50,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:16:50,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:16:50,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:16:50,949 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:16:50,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:16:50,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:16:50,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:16:50,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:16:50,954 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:16:50,954 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:16:50,955 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:16:50,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:16:50,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:16:50,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:16:50,955 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:16:50,955 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:16:50,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:16:50,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:16:50,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:16:50,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:16:50,956 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:16:50,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:16:50,957 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_3f2017af-a686-4298-813b-50f58e9b1943/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52fc70d7844651686a4c27e057f507f0498e7d5f7c17f07a035699d1630f6ea2 [2021-11-22 23:16:51,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:16:51,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:16:51,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:16:51,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:16:51,256 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:16:51,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/dll-reverse.i [2021-11-22 23:16:51,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/data/c057b86a7/551acfc3bad94c98a9382fcdde50459a/FLAGf79b7cce8 [2021-11-22 23:16:51,860 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:16:51,862 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/sv-benchmarks/c/forester-heap/dll-reverse.i [2021-11-22 23:16:51,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/data/c057b86a7/551acfc3bad94c98a9382fcdde50459a/FLAGf79b7cce8 [2021-11-22 23:16:52,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/data/c057b86a7/551acfc3bad94c98a9382fcdde50459a [2021-11-22 23:16:52,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:16:52,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:16:52,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:16:52,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:16:52,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:16:52,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e172440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52, skipping insertion in model container [2021-11-22 23:16:52,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:16:52,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:16:52,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/sv-benchmarks/c/forester-heap/dll-reverse.i[22309,22322] [2021-11-22 23:16:52,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/sv-benchmarks/c/forester-heap/dll-reverse.i[22394,22407] [2021-11-22 23:16:52,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/sv-benchmarks/c/forester-heap/dll-reverse.i[22924,22937] [2021-11-22 23:16:52,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:16:52,561 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:16:52,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/sv-benchmarks/c/forester-heap/dll-reverse.i[22309,22322] [2021-11-22 23:16:52,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/sv-benchmarks/c/forester-heap/dll-reverse.i[22394,22407] [2021-11-22 23:16:52,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/sv-benchmarks/c/forester-heap/dll-reverse.i[22924,22937] [2021-11-22 23:16:52,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:16:52,676 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:16:52,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52 WrapperNode [2021-11-22 23:16:52,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:16:52,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:16:52,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:16:52,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:16:52,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,724 INFO L137 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 147 [2021-11-22 23:16:52,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:16:52,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:16:52,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:16:52,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:16:52,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:16:52,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:16:52,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:16:52,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:16:52,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:52" (1/1) ... [2021-11-22 23:16:52,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:16:52,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:16:52,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:16:52,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2017af-a686-4298-813b-50f58e9b1943/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:16:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:16:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:16:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:16:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:16:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:16:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:16:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:16:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:16:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:16:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:16:52,962 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:16:52,964 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:16:53,457 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:16:53,519 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:16:53,519 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-22 23:16:53,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:53 BoogieIcfgContainer [2021-11-22 23:16:53,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:16:53,523 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:16:53,523 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:16:53,536 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:16:53,536 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:53" (1/1) ... [2021-11-22 23:16:53,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:16:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 126 states and 144 transitions. [2021-11-22 23:16:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2021-11-22 23:16:53,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-22 23:16:53,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 125 states and 143 transitions. [2021-11-22 23:16:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2021-11-22 23:16:53,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-22 23:16:53,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:53,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 124 states and 142 transitions. [2021-11-22 23:16:53,979 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2021-11-22 23:16:53,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:16:53,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 123 states and 141 transitions. [2021-11-22 23:16:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2021-11-22 23:16:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:16:54,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 122 states and 140 transitions. [2021-11-22 23:16:54,107 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 140 transitions. [2021-11-22 23:16:54,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:16:54,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 121 states and 139 transitions. [2021-11-22 23:16:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2021-11-22 23:16:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:16:54,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 120 states and 138 transitions. [2021-11-22 23:16:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2021-11-22 23:16:54,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:16:54,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 119 states and 136 transitions. [2021-11-22 23:16:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2021-11-22 23:16:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:16:54,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 122 states and 141 transitions. [2021-11-22 23:16:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2021-11-22 23:16:54,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:16:54,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 126 states and 148 transitions. [2021-11-22 23:16:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2021-11-22 23:16:54,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:16:54,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 130 states and 156 transitions. [2021-11-22 23:16:54,930 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 156 transitions. [2021-11-22 23:16:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:16:54,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 129 states and 155 transitions. [2021-11-22 23:16:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 155 transitions. [2021-11-22 23:16:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:16:54,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 128 states and 154 transitions. [2021-11-22 23:16:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 154 transitions. [2021-11-22 23:16:55,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:16:55,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:55,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:55,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:55,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 130 states and 158 transitions. [2021-11-22 23:16:55,844 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 158 transitions. [2021-11-22 23:16:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:16:55,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:55,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 132 states and 160 transitions. [2021-11-22 23:16:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2021-11-22 23:16:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:16:56,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:56,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:56,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 133 states and 162 transitions. [2021-11-22 23:16:56,859 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 162 transitions. [2021-11-22 23:16:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:16:56,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:56,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 134 states and 163 transitions. [2021-11-22 23:16:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2021-11-22 23:16:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:16:57,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:57,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:57,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 140 states and 172 transitions. [2021-11-22 23:16:57,955 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 172 transitions. [2021-11-22 23:16:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:16:57,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:57,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:57,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 140 states and 170 transitions. [2021-11-22 23:16:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2021-11-22 23:16:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:16:57,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:57,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:57,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:57,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 141 states and 170 transitions. [2021-11-22 23:16:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 170 transitions. [2021-11-22 23:16:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:16:58,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:58,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:58,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:59,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:59,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 145 states and 177 transitions. [2021-11-22 23:16:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 177 transitions. [2021-11-22 23:16:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:16:59,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:59,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 147 states and 181 transitions. [2021-11-22 23:17:01,112 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 181 transitions. [2021-11-22 23:17:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:01,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:01,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2021-11-22 23:17:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2021-11-22 23:17:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:01,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:01,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2021-11-22 23:17:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2021-11-22 23:17:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:01,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 155 states and 192 transitions. [2021-11-22 23:17:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 192 transitions. [2021-11-22 23:17:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:01,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 158 states and 196 transitions. [2021-11-22 23:17:02,004 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 196 transitions. [2021-11-22 23:17:02,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:02,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 157 states and 195 transitions. [2021-11-22 23:17:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 195 transitions. [2021-11-22 23:17:02,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:02,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 134 states and 159 transitions. [2021-11-22 23:17:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2021-11-22 23:17:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:02,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 133 states and 158 transitions. [2021-11-22 23:17:02,938 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 158 transitions. [2021-11-22 23:17:02,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:02,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 134 states and 159 transitions. [2021-11-22 23:17:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2021-11-22 23:17:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:02,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:03,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:04,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:04,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 139 states and 167 transitions. [2021-11-22 23:17:04,941 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 167 transitions. [2021-11-22 23:17:04,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:04,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:04,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:05,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 138 states and 166 transitions. [2021-11-22 23:17:05,002 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2021-11-22 23:17:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:05,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:05,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 141 states and 170 transitions. [2021-11-22 23:17:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 170 transitions. [2021-11-22 23:17:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:05,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:05,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 147 states and 175 transitions. [2021-11-22 23:17:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2021-11-22 23:17:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:07,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:07,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 146 states and 174 transitions. [2021-11-22 23:17:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 174 transitions. [2021-11-22 23:17:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:07,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:07,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 145 states and 173 transitions. [2021-11-22 23:17:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 173 transitions. [2021-11-22 23:17:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:07,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:07,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 157 states and 193 transitions. [2021-11-22 23:17:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 193 transitions. [2021-11-22 23:17:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:11,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 159 states and 195 transitions. [2021-11-22 23:17:12,554 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 195 transitions. [2021-11-22 23:17:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:17:12,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 161 states and 198 transitions. [2021-11-22 23:17:13,366 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 198 transitions. [2021-11-22 23:17:13,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:17:13,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 163 states and 201 transitions. [2021-11-22 23:17:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 201 transitions. [2021-11-22 23:17:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:14,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 164 states and 203 transitions. [2021-11-22 23:17:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 203 transitions. [2021-11-22 23:17:15,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:15,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:15,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:15,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 165 states and 204 transitions. [2021-11-22 23:17:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 204 transitions. [2021-11-22 23:17:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:15,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:15,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:17,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 169 states and 211 transitions. [2021-11-22 23:17:17,355 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 211 transitions. [2021-11-22 23:17:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:17,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:17,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:17,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:19,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 171 states and 215 transitions. [2021-11-22 23:17:19,040 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 215 transitions. [2021-11-22 23:17:19,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:19,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:19,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 177 states and 222 transitions. [2021-11-22 23:17:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 222 transitions. [2021-11-22 23:17:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:22,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 181 states and 228 transitions. [2021-11-22 23:17:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 228 transitions. [2021-11-22 23:17:23,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:23,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 180 states and 227 transitions. [2021-11-22 23:17:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 227 transitions. [2021-11-22 23:17:23,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:23,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 181 states and 228 transitions. [2021-11-22 23:17:24,540 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 228 transitions. [2021-11-22 23:17:24,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:24,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:27,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 183 states and 230 transitions. [2021-11-22 23:17:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 230 transitions. [2021-11-22 23:17:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:17:27,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 193 states and 249 transitions. [2021-11-22 23:17:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2021-11-22 23:17:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:17:36,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:42,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 203 states and 267 transitions. [2021-11-22 23:17:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 267 transitions. [2021-11-22 23:17:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:17:42,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:48,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 219 states and 292 transitions. [2021-11-22 23:17:48,786 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 292 transitions. [2021-11-22 23:17:48,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:17:48,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 235 states and 317 transitions. [2021-11-22 23:17:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 317 transitions. [2021-11-22 23:17:54,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:17:54,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:54,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 234 states and 316 transitions. [2021-11-22 23:17:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 316 transitions. [2021-11-22 23:17:54,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:17:54,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:54,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 235 states and 317 transitions. [2021-11-22 23:17:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 317 transitions. [2021-11-22 23:17:54,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:54,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:58,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 242 states and 330 transitions. [2021-11-22 23:17:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 330 transitions. [2021-11-22 23:17:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:58,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:58,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 241 states and 329 transitions. [2021-11-22 23:17:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 329 transitions. [2021-11-22 23:17:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:58,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:58,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 240 states and 328 transitions. [2021-11-22 23:17:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 328 transitions. [2021-11-22 23:17:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:58,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 244 states and 337 transitions. [2021-11-22 23:18:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 337 transitions. [2021-11-22 23:18:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:18:04,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:17,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 260 states and 369 transitions. [2021-11-22 23:18:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 369 transitions. [2021-11-22 23:18:17,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:18:17,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:17,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 268 states and 379 transitions. [2021-11-22 23:18:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 379 transitions. [2021-11-22 23:18:21,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:18:21,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 276 states and 391 transitions. [2021-11-22 23:18:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 391 transitions. [2021-11-22 23:18:26,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:18:26,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:30,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 280 states and 395 transitions. [2021-11-22 23:18:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 395 transitions. [2021-11-22 23:18:30,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:18:30,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 279 states and 394 transitions. [2021-11-22 23:18:30,966 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 394 transitions. [2021-11-22 23:18:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:18:30,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:31,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 281 states and 399 transitions. [2021-11-22 23:18:31,787 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 399 transitions. [2021-11-22 23:18:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:18:31,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 291 states and 417 transitions. [2021-11-22 23:18:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 417 transitions. [2021-11-22 23:18:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:45,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 301 states and 437 transitions. [2021-11-22 23:18:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 437 transitions. [2021-11-22 23:18:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:53,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 309 states and 456 transitions. [2021-11-22 23:19:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 456 transitions. [2021-11-22 23:19:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:19:05,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:13,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:13,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 318 states and 469 transitions. [2021-11-22 23:19:13,292 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 469 transitions. [2021-11-22 23:19:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:19:13,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:13,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:24,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 330 states and 494 transitions. [2021-11-22 23:19:24,763 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 494 transitions. [2021-11-22 23:19:24,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:19:24,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:19:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 334 states and 497 transitions. [2021-11-22 23:19:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 497 transitions. [2021-11-22 23:19:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:19:29,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 337 states and 505 transitions. [2021-11-22 23:19:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 505 transitions. [2021-11-22 23:19:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:19:31,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:47,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 345 states and 523 transitions. [2021-11-22 23:19:47,226 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 523 transitions. [2021-11-22 23:19:47,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:19:47,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:47,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:53,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 349 states and 535 transitions. [2021-11-22 23:19:53,910 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 535 transitions. [2021-11-22 23:19:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:19:53,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:53,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:58,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 320 states and 496 transitions. [2021-11-22 23:19:58,585 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 496 transitions. [2021-11-22 23:19:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:19:58,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:58,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:59,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 322 states and 507 transitions. [2021-11-22 23:19:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 507 transitions. [2021-11-22 23:19:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:19:59,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:59,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 328 states and 523 transitions. [2021-11-22 23:20:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 523 transitions. [2021-11-22 23:20:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:20:18,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:18,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 344 states and 553 transitions. [2021-11-22 23:20:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 553 transitions. [2021-11-22 23:20:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:20:52,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 354 states and 574 transitions. [2021-11-22 23:21:05,559 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 574 transitions. [2021-11-22 23:21:05,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:21:05,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 359 states and 588 transitions. [2021-11-22 23:21:27,728 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 588 transitions. [2021-11-22 23:21:27,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:21:27,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:27,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:30,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:30,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 363 states and 596 transitions. [2021-11-22 23:21:30,866 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 596 transitions. [2021-11-22 23:21:30,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:21:30,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:30,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 364 states and 599 transitions. [2021-11-22 23:21:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 599 transitions. [2021-11-22 23:21:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:21:37,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 372 states and 616 transitions. [2021-11-22 23:21:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 616 transitions. [2021-11-22 23:21:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:21:49,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:49,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:52,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:00,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:00,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 378 states and 634 transitions. [2021-11-22 23:22:00,905 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 634 transitions. [2021-11-22 23:22:00,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:22:00,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:00,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:07,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 383 states and 646 transitions. [2021-11-22 23:22:07,568 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 646 transitions. [2021-11-22 23:22:07,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:07,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:07,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:11,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 386 states and 654 transitions. [2021-11-22 23:22:11,093 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 654 transitions. [2021-11-22 23:22:11,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:11,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:11,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 387 states and 658 transitions. [2021-11-22 23:22:12,985 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 658 transitions. [2021-11-22 23:22:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:12,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:12,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:14,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 387 states and 657 transitions. [2021-11-22 23:22:14,409 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 657 transitions. [2021-11-22 23:22:14,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:14,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:14,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:14,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 388 states and 658 transitions. [2021-11-22 23:22:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 658 transitions. [2021-11-22 23:22:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:16,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:16,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:17,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 389 states and 658 transitions. [2021-11-22 23:22:17,939 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 658 transitions. [2021-11-22 23:22:17,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:17,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:17,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 389 states and 657 transitions. [2021-11-22 23:22:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 657 transitions. [2021-11-22 23:22:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:19,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:19,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 389 states and 656 transitions. [2021-11-22 23:22:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 656 transitions. [2021-11-22 23:22:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:20,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:20,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 396 states and 672 transitions. [2021-11-22 23:22:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 672 transitions. [2021-11-22 23:22:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:41,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:41,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:47,081 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:57,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 396 states and 671 transitions. [2021-11-22 23:22:57,817 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 671 transitions. [2021-11-22 23:22:57,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:57,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:57,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:57,878 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:23:07,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:07,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 400 states and 674 transitions. [2021-11-22 23:23:07,031 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 674 transitions. [2021-11-22 23:23:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:07,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:07,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:11,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 401 states and 676 transitions. [2021-11-22 23:23:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 676 transitions. [2021-11-22 23:23:11,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:11,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:11,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:23:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 402 states and 676 transitions. [2021-11-22 23:23:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 676 transitions. [2021-11-22 23:23:14,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:14,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:14,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:14,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:23:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 404 states and 681 transitions. [2021-11-22 23:23:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 681 transitions. [2021-11-22 23:23:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:15,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:15,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:23:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 404 states and 680 transitions. [2021-11-22 23:23:16,797 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 680 transitions. [2021-11-22 23:23:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:16,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:16,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:25,193 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:51,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 414 states and 702 transitions. [2021-11-22 23:23:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 702 transitions. [2021-11-22 23:23:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:51,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:51,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:00,389 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 424 states and 724 transitions. [2021-11-22 23:24:19,788 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 724 transitions. [2021-11-22 23:24:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:19,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:19,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:24:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 424 states and 722 transitions. [2021-11-22 23:24:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 722 transitions. [2021-11-22 23:24:19,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:19,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:19,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:24:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 425 states and 723 transitions. [2021-11-22 23:24:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 723 transitions. [2021-11-22 23:24:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:21,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:21,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 435 states and 747 transitions. [2021-11-22 23:24:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 747 transitions. [2021-11-22 23:24:35,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:35,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:35,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:57,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 445 states and 769 transitions. [2021-11-22 23:24:57,584 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 769 transitions. [2021-11-22 23:24:57,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:57,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 450 states and 779 transitions. [2021-11-22 23:25:06,639 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 779 transitions. [2021-11-22 23:25:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:06,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:15,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 455 states and 786 transitions. [2021-11-22 23:25:15,791 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 786 transitions. [2021-11-22 23:25:15,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:15,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:18,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 456 states and 788 transitions. [2021-11-22 23:25:18,369 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 788 transitions. [2021-11-22 23:25:18,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:18,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 457 states and 788 transitions. [2021-11-22 23:25:20,130 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 788 transitions. [2021-11-22 23:25:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:20,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,567 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 480 states and 829 transitions. [2021-11-22 23:26:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 829 transitions. [2021-11-22 23:26:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:07,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:07,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 481 states and 829 transitions. [2021-11-22 23:26:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 829 transitions. [2021-11-22 23:26:10,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:10,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:10,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:32,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:32,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 489 states and 843 transitions. [2021-11-22 23:26:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 843 transitions. [2021-11-22 23:26:32,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:32,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:32,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:46,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 494 states and 859 transitions. [2021-11-22 23:26:46,385 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 859 transitions. [2021-11-22 23:26:46,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:46,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:46,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:46,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:26:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 495 states and 862 transitions. [2021-11-22 23:26:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 862 transitions. [2021-11-22 23:26:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:48,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:48,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:26:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 496 states and 864 transitions. [2021-11-22 23:26:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 864 transitions. [2021-11-22 23:26:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:26:50,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:50,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:26:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 499 states and 871 transitions. [2021-11-22 23:26:52,572 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 871 transitions. [2021-11-22 23:26:52,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:26:52,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:52,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:26:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 502 states and 877 transitions. [2021-11-22 23:26:57,500 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 877 transitions. [2021-11-22 23:26:57,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:26:57,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:57,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:27:14,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:14,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 514 states and 903 transitions. [2021-11-22 23:27:14,324 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 903 transitions. [2021-11-22 23:27:14,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:27:14,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:14,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:27:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 525 states and 919 transitions. [2021-11-22 23:27:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 919 transitions. [2021-11-22 23:27:32,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:27:32,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:32,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:27:56,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 540 states and 940 transitions. [2021-11-22 23:27:56,367 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 940 transitions. [2021-11-22 23:27:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:27:56,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:56,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:08,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.