./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.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_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/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_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/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_b07d52b9-f0cf-4685-816f-2e56f5416b4b/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 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:28:32,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:28:32,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:28:32,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:28:32,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:28:32,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:28:32,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:28:32,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:28:32,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:28:32,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:28:32,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:28:32,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:28:32,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:28:32,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:28:32,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:28:32,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:28:32,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:28:32,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:28:32,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:28:32,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:28:32,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:28:32,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:28:32,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:28:32,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:28:32,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:28:32,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:28:32,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:28:32,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:28:32,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:28:32,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:28:32,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:28:32,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:28:32,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:28:32,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:28:32,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:28:32,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:28:32,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:28:32,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:28:32,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:28:32,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:28:32,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:28:32,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:28:32,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:28:32,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:28:32,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:28:32,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:28:32,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:28:32,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:28:32,852 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:28:32,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:28:32,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:28:32,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:28:32,859 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:28:32,860 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:28:32,860 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:28:32,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:28:32,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:28:32,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:28:32,861 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:28:32,861 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:28:32,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:28:32,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:32,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:28:32,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:28:32,862 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:28:32,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:28:32,863 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_b07d52b9-f0cf-4685-816f-2e56f5416b4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 [2021-11-23 01:28:33,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:28:33,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:28:33,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:28:33,207 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:28:33,208 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:28:33,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2021-11-23 01:28:33,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/data/abdd35786/47879d0925e449e28dda370a11b00ca0/FLAG863afa38a [2021-11-23 01:28:33,807 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:28:33,807 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2021-11-23 01:28:33,821 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/data/abdd35786/47879d0925e449e28dda370a11b00ca0/FLAG863afa38a [2021-11-23 01:28:34,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/data/abdd35786/47879d0925e449e28dda370a11b00ca0 [2021-11-23 01:28:34,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:28:34,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:28:34,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:34,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:28:34,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:28:34,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b945c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34, skipping insertion in model container [2021-11-23 01:28:34,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:28:34,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:28:34,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:34,620 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:28:34,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:34,726 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:28:34,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34 WrapperNode [2021-11-23 01:28:34,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:34,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:34,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:28:34,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:28:34,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,801 INFO L137 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2021-11-23 01:28:34,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:34,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:28:34,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:28:34,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:28:34,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:28:34,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:28:34,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:28:34,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:28:34,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:34" (1/1) ... [2021-11-23 01:28:34,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:34,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:28:34,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:28:34,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b07d52b9-f0cf-4685-816f-2e56f5416b4b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:28:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:28:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:28:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:28:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:28:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:28:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:28:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:28:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:28:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:28:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:28:34,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:28:35,040 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:28:35,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:28:35,491 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:28:35,551 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:28:35,558 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:28:35,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:35 BoogieIcfgContainer [2021-11-23 01:28:35,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:28:35,562 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:28:35,563 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:28:35,573 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:28:35,573 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:35" (1/1) ... [2021-11-23 01:28:35,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:28:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 88 states and 96 transitions. [2021-11-23 01:28:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2021-11-23 01:28:35,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:28:35,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:35,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2021-11-23 01:28:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2021-11-23 01:28:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:28:35,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:35,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 92 states and 102 transitions. [2021-11-23 01:28:36,078 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2021-11-23 01:28:36,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:28:36,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:36,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2021-11-23 01:28:36,258 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2021-11-23 01:28:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:28:36,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:36,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:36,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2021-11-23 01:28:36,600 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2021-11-23 01:28:36,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:28:36,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2021-11-23 01:28:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2021-11-23 01:28:36,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:28:36,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2021-11-23 01:28:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2021-11-23 01:28:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:28:36,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2021-11-23 01:28:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2021-11-23 01:28:37,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:28:37,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:37,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:37,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 97 states and 113 transitions. [2021-11-23 01:28:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2021-11-23 01:28:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:28:37,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:37,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2021-11-23 01:28:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2021-11-23 01:28:37,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:28:37,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:37,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:37,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2021-11-23 01:28:37,458 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2021-11-23 01:28:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:28:37,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:37,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:37,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:37,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 99 states and 119 transitions. [2021-11-23 01:28:37,762 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 119 transitions. [2021-11-23 01:28:37,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:28:37,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:37,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 104 states and 129 transitions. [2021-11-23 01:28:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2021-11-23 01:28:38,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:28:38,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:38,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 106 states and 132 transitions. [2021-11-23 01:28:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 132 transitions. [2021-11-23 01:28:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:28:38,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:38,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 108 states and 139 transitions. [2021-11-23 01:28:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2021-11-23 01:28:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:28:38,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:38,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:38,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 110 states and 142 transitions. [2021-11-23 01:28:38,872 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2021-11-23 01:28:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:28:38,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:38,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:38,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 112 states and 145 transitions. [2021-11-23 01:28:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2021-11-23 01:28:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:28:38,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:38,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 119 states and 159 transitions. [2021-11-23 01:28:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 159 transitions. [2021-11-23 01:28:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:28:39,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:39,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 126 states and 176 transitions. [2021-11-23 01:28:41,140 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2021-11-23 01:28:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:28:41,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:41,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:41,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 129 states and 182 transitions. [2021-11-23 01:28:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 182 transitions. [2021-11-23 01:28:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:28:41,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:41,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:42,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 132 states and 190 transitions. [2021-11-23 01:28:43,080 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2021-11-23 01:28:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:28:43,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:43,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 134 states and 194 transitions. [2021-11-23 01:28:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 194 transitions. [2021-11-23 01:28:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:28:43,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:43,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:44,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 136 states and 197 transitions. [2021-11-23 01:28:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2021-11-23 01:28:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:28:44,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:44,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 141 states and 214 transitions. [2021-11-23 01:28:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 214 transitions. [2021-11-23 01:28:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:28:45,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:45,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 140 states and 213 transitions. [2021-11-23 01:28:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 213 transitions. [2021-11-23 01:28:45,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:28:45,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:45,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:45,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 142 states and 216 transitions. [2021-11-23 01:28:45,349 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 216 transitions. [2021-11-23 01:28:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:28:45,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:45,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:28:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 142 states and 215 transitions. [2021-11-23 01:28:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2021-11-23 01:28:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:28:45,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:45,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:28:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 142 states and 214 transitions. [2021-11-23 01:28:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 214 transitions. [2021-11-23 01:28:45,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:28:45,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:45,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:46,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2021-11-23 01:28:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2021-11-23 01:28:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:28:46,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:46,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:47,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:47,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 150 states and 228 transitions. [2021-11-23 01:28:47,425 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2021-11-23 01:28:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:28:47,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:47,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 150 states and 227 transitions. [2021-11-23 01:28:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 227 transitions. [2021-11-23 01:28:47,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:28:47,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:47,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:28:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 151 states and 227 transitions. [2021-11-23 01:28:48,047 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 227 transitions. [2021-11-23 01:28:48,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:28:48,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:48,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:48,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 159 states and 247 transitions. [2021-11-23 01:28:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 247 transitions. [2021-11-23 01:28:50,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:28:50,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:50,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 164 states and 259 transitions. [2021-11-23 01:28:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 259 transitions. [2021-11-23 01:28:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:28:52,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:52,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:55,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 172 states and 275 transitions. [2021-11-23 01:28:55,665 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 275 transitions. [2021-11-23 01:28:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:28:55,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:55,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:56,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:57,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 175 states and 279 transitions. [2021-11-23 01:28:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 279 transitions. [2021-11-23 01:28:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:28:57,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:57,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:00,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:00,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 178 states and 288 transitions. [2021-11-23 01:29:00,680 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 288 transitions. [2021-11-23 01:29:00,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:29:00,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:00,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:00,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:01,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:01,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 179 states and 290 transitions. [2021-11-23 01:29:01,133 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 290 transitions. [2021-11-23 01:29:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:29:01,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:01,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:01,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:01,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:01,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 181 states and 293 transitions. [2021-11-23 01:29:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 293 transitions. [2021-11-23 01:29:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:29:01,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:01,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 185 states and 302 transitions. [2021-11-23 01:29:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 302 transitions. [2021-11-23 01:29:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:29:02,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:02,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:03,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 188 states and 313 transitions. [2021-11-23 01:29:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 313 transitions. [2021-11-23 01:29:03,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:29:03,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:03,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 192 states and 320 transitions. [2021-11-23 01:29:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 320 transitions. [2021-11-23 01:29:05,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:29:05,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:06,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 194 states and 324 transitions. [2021-11-23 01:29:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 324 transitions. [2021-11-23 01:29:06,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:29:06,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:06,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 196 states and 328 transitions. [2021-11-23 01:29:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 328 transitions. [2021-11-23 01:29:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:29:07,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:07,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:29:08,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:08,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 197 states and 329 transitions. [2021-11-23 01:29:08,609 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 329 transitions. [2021-11-23 01:29:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:29:08,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:08,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:29:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 197 states and 328 transitions. [2021-11-23 01:29:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 328 transitions. [2021-11-23 01:29:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:29:09,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:09,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:09,417 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 200 states and 333 transitions. [2021-11-23 01:29:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 333 transitions. [2021-11-23 01:29:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:29:11,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:11,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:15,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 203 states and 342 transitions. [2021-11-23 01:29:15,744 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 342 transitions. [2021-11-23 01:29:15,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:29:15,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:15,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 216 states and 368 transitions. [2021-11-23 01:29:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 368 transitions. [2021-11-23 01:29:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:29:25,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:25,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:27,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 220 states and 375 transitions. [2021-11-23 01:29:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 375 transitions. [2021-11-23 01:29:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:29:27,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:27,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 223 states and 380 transitions. [2021-11-23 01:29:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 380 transitions. [2021-11-23 01:29:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:29:28,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:28,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 227 states and 386 transitions. [2021-11-23 01:29:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 386 transitions. [2021-11-23 01:29:30,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:29:30,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:30,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:29:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:31,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 226 states and 384 transitions. [2021-11-23 01:29:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 384 transitions. [2021-11-23 01:29:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:29:31,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:31,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:29:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 225 states and 382 transitions. [2021-11-23 01:29:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 382 transitions. [2021-11-23 01:29:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:29:32,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:32,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:29:32,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:32,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 225 states and 381 transitions. [2021-11-23 01:29:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 381 transitions. [2021-11-23 01:29:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:29:32,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:32,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:29:33,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:33,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 226 states and 381 transitions. [2021-11-23 01:29:33,499 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 381 transitions. [2021-11-23 01:29:33,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:29:33,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:33,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 230 states and 387 transitions. [2021-11-23 01:29:37,046 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 387 transitions. [2021-11-23 01:29:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:29:37,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:37,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:29:39,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:39,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 233 states and 392 transitions. [2021-11-23 01:29:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 392 transitions. [2021-11-23 01:29:39,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:29:39,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:39,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 236 states and 401 transitions. [2021-11-23 01:29:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 401 transitions. [2021-11-23 01:29:45,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:29:45,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:45,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:00,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 253 states and 432 transitions. [2021-11-23 01:30:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 432 transitions. [2021-11-23 01:30:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:00,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:00,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:05,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:05,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 259 states and 441 transitions. [2021-11-23 01:30:05,627 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 441 transitions. [2021-11-23 01:30:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:05,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:05,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:06,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 257 states and 437 transitions. [2021-11-23 01:30:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 437 transitions. [2021-11-23 01:30:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:06,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:06,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 273 states and 468 transitions. [2021-11-23 01:30:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 468 transitions. [2021-11-23 01:30:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:24,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:24,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 287 states and 496 transitions. [2021-11-23 01:30:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 496 transitions. [2021-11-23 01:30:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:44,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:44,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:30:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 287 states and 495 transitions. [2021-11-23 01:30:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 495 transitions. [2021-11-23 01:30:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:45,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:45,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:30:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 288 states and 495 transitions. [2021-11-23 01:30:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 495 transitions. [2021-11-23 01:30:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:30:46,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:46,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:01,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 299 states and 512 transitions. [2021-11-23 01:31:01,003 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 512 transitions. [2021-11-23 01:31:01,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:31:01,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:01,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 303 states and 516 transitions. [2021-11-23 01:31:04,356 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 516 transitions. [2021-11-23 01:31:04,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:31:04,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:04,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:31:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:08,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 306 states and 521 transitions. [2021-11-23 01:31:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 521 transitions. [2021-11-23 01:31:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:31:08,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:08,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 309 states and 530 transitions. [2021-11-23 01:31:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 530 transitions. [2021-11-23 01:31:17,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:31:17,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:17,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:17,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:17,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 308 states and 529 transitions. [2021-11-23 01:31:17,648 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 529 transitions. [2021-11-23 01:31:17,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:31:17,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:17,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:18,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 307 states and 528 transitions. [2021-11-23 01:31:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 528 transitions. [2021-11-23 01:31:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:31:19,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:19,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 309 states and 532 transitions. [2021-11-23 01:31:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 532 transitions. [2021-11-23 01:31:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:31:26,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:26,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:28,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:28,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 313 states and 540 transitions. [2021-11-23 01:31:28,642 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 540 transitions. [2021-11-23 01:31:28,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:31:28,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:28,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:33,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:33,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 315 states and 542 transitions. [2021-11-23 01:31:33,450 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 542 transitions. [2021-11-23 01:31:33,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:31:33,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:33,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 332 states and 576 transitions. [2021-11-23 01:32:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 576 transitions. [2021-11-23 01:32:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:32:03,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:03,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:32:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 333 states and 577 transitions. [2021-11-23 01:32:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 577 transitions. [2021-11-23 01:32:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:32:04,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:04,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:32:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 333 states and 576 transitions. [2021-11-23 01:32:05,916 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 576 transitions. [2021-11-23 01:32:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:32:05,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:05,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:07,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 334 states and 576 transitions. [2021-11-23 01:32:07,113 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 576 transitions. [2021-11-23 01:32:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:32:07,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:07,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 358 states and 630 transitions. [2021-11-23 01:32:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 630 transitions. [2021-11-23 01:32:40,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:32:40,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:40,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 361 states and 640 transitions. [2021-11-23 01:32:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 640 transitions. [2021-11-23 01:32:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:32:43,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:43,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:32:49,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:49,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 364 states and 645 transitions. [2021-11-23 01:32:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 645 transitions. [2021-11-23 01:32:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:32:49,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:49,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:52,378 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 367 states and 654 transitions. [2021-11-23 01:33:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 654 transitions. [2021-11-23 01:33:01,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:33:01,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:01,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 388 states and 696 transitions. [2021-11-23 01:33:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 696 transitions. [2021-11-23 01:33:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:33:55,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:55,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:55,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 413 states and 755 transitions. [2021-11-23 01:34:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 755 transitions. [2021-11-23 01:34:55,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:34:55,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:55,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:57,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 415 states and 757 transitions. [2021-11-23 01:35:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 757 transitions. [2021-11-23 01:35:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:35:01,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:01,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 416 states and 761 transitions. [2021-11-23 01:35:05,106 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 761 transitions. [2021-11-23 01:35:05,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:05,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:05,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:05,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:13,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 420 states and 764 transitions. [2021-11-23 01:35:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 764 transitions. [2021-11-23 01:35:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:13,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:13,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 444 states and 816 transitions. [2021-11-23 01:36:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 816 transitions. [2021-11-23 01:36:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:36:13,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:13,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:29,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:29,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 451 states and 829 transitions. [2021-11-23 01:36:29,272 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 829 transitions. [2021-11-23 01:36:29,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:36:29,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:29,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:36:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 452 states and 830 transitions. [2021-11-23 01:36:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 830 transitions. [2021-11-23 01:36:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:36:31,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:31,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:31,729 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:36:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 452 states and 829 transitions. [2021-11-23 01:36:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 829 transitions. [2021-11-23 01:36:34,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:36:34,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:34,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:34,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 450 states and 825 transitions. [2021-11-23 01:36:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 825 transitions. [2021-11-23 01:36:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:36:37,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:37,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:37,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 454 states and 828 transitions. [2021-11-23 01:36:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 828 transitions. [2021-11-23 01:36:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:36:46,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:46,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:04,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 460 states and 840 transitions. [2021-11-23 01:37:04,327 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 840 transitions. [2021-11-23 01:37:04,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:37:04,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:04,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:37:13,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 463 states and 845 transitions. [2021-11-23 01:37:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 845 transitions. [2021-11-23 01:37:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:37:13,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:13,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 466 states and 854 transitions. [2021-11-23 01:37:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 854 transitions. [2021-11-23 01:37:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:37:30,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:30,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 469 states and 857 transitions. [2021-11-23 01:37:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 857 transitions. [2021-11-23 01:37:48,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:37:48,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:48,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 485 states and 888 transitions. [2021-11-23 01:38:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 888 transitions. [2021-11-23 01:38:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:38:31,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:31,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:51,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 487 states and 891 transitions. [2021-11-23 01:38:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 891 transitions. [2021-11-23 01:38:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:38:51,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:51,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:01,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 505 states and 926 transitions. [2021-11-23 01:40:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 926 transitions. [2021-11-23 01:40:01,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:40:01,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:01,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-23 01:40:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 505 states and 925 transitions. [2021-11-23 01:40:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 925 transitions. [2021-11-23 01:40:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:40:04,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:04,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-23 01:40:06,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 506 states and 925 transitions. [2021-11-23 01:40:06,990 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 925 transitions. [2021-11-23 01:40:06,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:40:06,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:06,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.