./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e --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 36c3a12d89778d96e6058a4f11ff4e1483403bd2fab9b14de640491057c7f753 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:32:30,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:32:30,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:32:30,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:32:30,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:32:30,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:32:30,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:32:30,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:32:30,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:32:30,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:32:30,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:32:30,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:32:30,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:32:30,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:32:30,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:32:30,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:32:30,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:32:30,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:32:30,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:32:30,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:32:30,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:32:30,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:32:30,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:32:30,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:32:30,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:32:30,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:32:30,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:32:30,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:32:30,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:32:30,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:32:30,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:32:30,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:32:30,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:32:30,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:32:30,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:32:30,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:32:30,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:32:30,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:32:30,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:32:30,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:32:30,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:32:30,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:32:30,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:32:30,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:32:30,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:32:30,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:32:30,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:32:30,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:32:30,226 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:32:30,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:32:30,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:32:30,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:32:30,234 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:32:30,234 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:32:30,235 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:32:30,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:32:30,235 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:32:30,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:32:30,235 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:32:30,236 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:32:30,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:32:30,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:32:30,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:32:30,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:32:30,238 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:32:30,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:32:30,238 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_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c3a12d89778d96e6058a4f11ff4e1483403bd2fab9b14de640491057c7f753 [2021-11-13 23:32:30,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:32:30,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:32:30,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:32:30,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:32:30,511 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:32:30,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2021-11-13 23:32:30,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/data/8645e855d/a1f28e7496f94216b2b62912372bd4ac/FLAG194a22624 [2021-11-13 23:32:31,183 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:32:31,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2021-11-13 23:32:31,208 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/data/8645e855d/a1f28e7496f94216b2b62912372bd4ac/FLAG194a22624 [2021-11-13 23:32:31,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/data/8645e855d/a1f28e7496f94216b2b62912372bd4ac [2021-11-13 23:32:31,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:32:31,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:32:31,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:32:31,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:32:31,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:32:31,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:32:31" (1/1) ... [2021-11-13 23:32:31,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107d8073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:31, skipping insertion in model container [2021-11-13 23:32:31,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:32:31" (1/1) ... [2021-11-13 23:32:31,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:32:31,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:32:31,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:32:31,928 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:32:31,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:32:32,029 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:32:32,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32 WrapperNode [2021-11-13 23:32:32,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:32:32,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:32:32,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:32:32,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:32:32,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:32:32,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:32:32,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:32:32,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:32:32,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:32:32,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:32:32,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:32:32,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:32:32,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:32:32,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:32:32,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:32:32,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35558b0d-8b70-45c9-b90e-47b2ae79c06a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:32:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:32:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:32:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:32:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:32:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:32:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:32:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:32:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:32:32,774 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:32:32,775 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:32:32,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:32:32 BoogieIcfgContainer [2021-11-13 23:32:32,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:32:32,779 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:32:32,779 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:32:32,789 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:32:32,790 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:32:32" (1/1) ... [2021-11-13 23:32:32,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:32:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 44 states and 50 transitions. [2021-11-13 23:32:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2021-11-13 23:32:32,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:32:32,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:32,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:33,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2021-11-13 23:32:33,080 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2021-11-13 23:32:33,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:32:33,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:33,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:33,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2021-11-13 23:32:33,274 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2021-11-13 23:32:33,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:32:33,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:33,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2021-11-13 23:32:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2021-11-13 23:32:33,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:32:33,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:33,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:33,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 57 transitions. [2021-11-13 23:32:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2021-11-13 23:32:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:32:33,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:33,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2021-11-13 23:32:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2021-11-13 23:32:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:32:33,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:33,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:33,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 44 states and 55 transitions. [2021-11-13 23:32:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2021-11-13 23:32:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:32:34,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:34,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:34,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:34,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2021-11-13 23:32:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2021-11-13 23:32:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:32:34,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:34,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:34,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2021-11-13 23:32:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2021-11-13 23:32:34,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:32:34,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:34,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2021-11-13 23:32:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2021-11-13 23:32:35,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:32:35,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:35,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:35,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:35,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2021-11-13 23:32:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2021-11-13 23:32:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:32:35,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:35,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:35,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:35,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2021-11-13 23:32:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2021-11-13 23:32:35,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:32:35,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:35,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2021-11-13 23:32:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2021-11-13 23:32:35,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:32:35,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:35,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2021-11-13 23:32:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2021-11-13 23:32:36,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:32:36,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:36,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:36,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2021-11-13 23:32:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2021-11-13 23:32:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:32:36,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:36,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:36,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:36,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2021-11-13 23:32:36,495 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2021-11-13 23:32:36,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:32:36,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:36,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:36,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2021-11-13 23:32:36,845 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2021-11-13 23:32:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:32:36,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:36,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:36,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2021-11-13 23:32:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-13 23:32:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:32:36,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:36,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:36,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:36,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2021-11-13 23:32:36,907 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2021-11-13 23:32:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:32:36,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:36,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:32:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2021-11-13 23:32:37,341 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2021-11-13 23:32:37,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:32:37,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:37,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:38,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2021-11-13 23:32:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2021-11-13 23:32:38,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:32:38,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:38,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:41,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2021-11-13 23:32:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2021-11-13 23:32:41,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:32:41,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:41,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:45,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2021-11-13 23:32:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2021-11-13 23:32:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:32:45,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:45,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:49,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:49,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2021-11-13 23:32:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2021-11-13 23:32:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:32:49,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:49,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:32:50,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:50,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 58 states and 77 transitions. [2021-11-13 23:32:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2021-11-13 23:32:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:32:50,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:50,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:50,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:51,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:51,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2021-11-13 23:32:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-11-13 23:32:51,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:32:51,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:51,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:52,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2021-11-13 23:32:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2021-11-13 23:32:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:32:52,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:52,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:32:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:56,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 72 states and 103 transitions. [2021-11-13 23:32:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2021-11-13 23:32:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:32:56,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:56,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:56,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 73 states and 111 transitions. [2021-11-13 23:32:56,553 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2021-11-13 23:32:56,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:32:56,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:56,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2021-11-13 23:32:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2021-11-13 23:32:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:32:56,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:56,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:32:58,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 77 states and 122 transitions. [2021-11-13 23:32:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2021-11-13 23:32:58,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:32:58,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:58,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:59,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:06,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 139 transitions. [2021-11-13 23:33:06,870 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2021-11-13 23:33:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:33:06,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:06,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:33:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:08,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2021-11-13 23:33:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2021-11-13 23:33:08,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:33:08,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:08,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:08,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:33:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 81 states and 129 transitions. [2021-11-13 23:33:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 129 transitions. [2021-11-13 23:33:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:33:09,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:09,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:33:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 84 states and 135 transitions. [2021-11-13 23:33:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2021-11-13 23:33:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:33:13,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:13,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:33:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 77 states and 123 transitions. [2021-11-13 23:33:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2021-11-13 23:33:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:33:14,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:14,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:18,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 83 states and 138 transitions. [2021-11-13 23:33:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 138 transitions. [2021-11-13 23:33:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:33:18,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:18,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:33,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2021-11-13 23:33:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2021-11-13 23:33:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:33:33,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:33,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:35,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 93 states and 166 transitions. [2021-11-13 23:33:35,512 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 166 transitions. [2021-11-13 23:33:35,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:33:35,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:35,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:35,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:36,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 95 states and 171 transitions. [2021-11-13 23:33:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 171 transitions. [2021-11-13 23:33:36,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:33:36,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:36,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 110 states and 204 transitions. [2021-11-13 23:33:54,070 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 204 transitions. [2021-11-13 23:33:54,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:33:54,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:54,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:10,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 116 states and 213 transitions. [2021-11-13 23:34:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 213 transitions. [2021-11-13 23:34:10,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:34:10,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:10,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:34:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:28,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 129 states and 241 transitions. [2021-11-13 23:34:28,497 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2021-11-13 23:34:28,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:34:28,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:28,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:34:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 129 states and 240 transitions. [2021-11-13 23:34:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 240 transitions. [2021-11-13 23:34:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:34:43,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:43,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:34:51,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:34:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 134 states and 253 transitions. [2021-11-13 23:34:51,231 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 253 transitions. [2021-11-13 23:34:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:34:51,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:34:51,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:34:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:34:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:35:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:04,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 141 states and 269 transitions. [2021-11-13 23:35:04,733 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 269 transitions. [2021-11-13 23:35:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:35:04,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:04,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:35:05,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 142 states and 271 transitions. [2021-11-13 23:35:05,837 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 271 transitions. [2021-11-13 23:35:05,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:35:05,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:05,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:35:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 143 states and 273 transitions. [2021-11-13 23:35:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 273 transitions. [2021-11-13 23:35:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:35:06,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:06,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:06,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:35:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 144 states and 277 transitions. [2021-11-13 23:35:08,041 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 277 transitions. [2021-11-13 23:35:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:35:08,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:08,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:35:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 145 states and 279 transitions. [2021-11-13 23:35:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 279 transitions. [2021-11-13 23:35:08,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:35:08,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:08,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:35:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:10,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 145 states and 278 transitions. [2021-11-13 23:35:10,155 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 278 transitions. [2021-11-13 23:35:10,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:35:10,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:10,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:15,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 153 states and 299 transitions. [2021-11-13 23:35:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 299 transitions. [2021-11-13 23:35:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:35:44,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:44,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:44,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:35:54,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 160 states and 317 transitions. [2021-11-13 23:35:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 317 transitions. [2021-11-13 23:35:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:35:54,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:54,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:35:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 148 states and 297 transitions. [2021-11-13 23:35:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 297 transitions. [2021-11-13 23:35:56,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:35:56,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:56,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:35:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:58,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 149 states and 297 transitions. [2021-11-13 23:35:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 297 transitions. [2021-11-13 23:35:58,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:35:58,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:58,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:36:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 152 states and 301 transitions. [2021-11-13 23:36:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 301 transitions. [2021-11-13 23:36:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:36:02,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:02,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:36:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 155 states and 304 transitions. [2021-11-13 23:36:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 304 transitions. [2021-11-13 23:36:06,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:36:06,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:06,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:36:31,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:31,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 156 states and 310 transitions. [2021-11-13 23:36:31,988 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 310 transitions. [2021-11-13 23:36:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:36:31,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:31,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:36:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 163 states and 328 transitions. [2021-11-13 23:36:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 328 transitions. [2021-11-13 23:36:48,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:36:48,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:48,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 168 states and 361 transitions. [2021-11-13 23:37:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 361 transitions. [2021-11-13 23:37:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:37:10,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:10,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:10,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:37:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:12,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 169 states and 363 transitions. [2021-11-13 23:37:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 363 transitions. [2021-11-13 23:37:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:37:12,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:12,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:37:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:14,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 170 states and 363 transitions. [2021-11-13 23:37:14,281 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 363 transitions. [2021-11-13 23:37:14,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:37:14,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:14,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 185 states and 394 transitions. [2021-11-13 23:38:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 394 transitions. [2021-11-13 23:38:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:38:05,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:05,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:38:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 186 states and 396 transitions. [2021-11-13 23:38:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 396 transitions. [2021-11-13 23:38:09,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:38:09,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:09,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:38:12,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 187 states and 396 transitions. [2021-11-13 23:38:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 396 transitions. [2021-11-13 23:38:12,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:38:12,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:12,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:38:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:16,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 188 states and 397 transitions. [2021-11-13 23:38:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 397 transitions. [2021-11-13 23:38:16,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:38:16,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:16,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:38:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 189 states and 400 transitions. [2021-11-13 23:38:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 400 transitions. [2021-11-13 23:38:19,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:38:19,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:19,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:38:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 190 states and 401 transitions. [2021-11-13 23:38:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 401 transitions. [2021-11-13 23:38:21,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:38:21,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:21,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:38:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 191 states and 403 transitions. [2021-11-13 23:38:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 403 transitions. [2021-11-13 23:38:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:38:26,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:26,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:38:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 199 states and 427 transitions. [2021-11-13 23:38:52,402 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 427 transitions. [2021-11-13 23:38:52,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:38:52,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:52,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:39:16,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 206 states and 440 transitions. [2021-11-13 23:39:16,408 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 440 transitions. [2021-11-13 23:39:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:39:16,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:16,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:39:19,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 207 states and 440 transitions. [2021-11-13 23:39:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 440 transitions. [2021-11-13 23:39:19,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:39:19,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:19,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:39:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:24,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 208 states and 440 transitions. [2021-11-13 23:39:24,068 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 440 transitions. [2021-11-13 23:39:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:39:24,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:24,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 216 states and 471 transitions. [2021-11-13 23:40:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 471 transitions. [2021-11-13 23:40:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:40:17,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:17,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 23:40:57,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:57,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 224 states and 491 transitions. [2021-11-13 23:40:57,428 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 491 transitions. [2021-11-13 23:40:57,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:40:57,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:57,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:19,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 237 states and 525 transitions. [2021-11-13 23:42:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 525 transitions. [2021-11-13 23:42:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:42:19,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:19,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:24,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:42:36,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:36,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 239 states and 529 transitions. [2021-11-13 23:42:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 529 transitions. [2021-11-13 23:42:36,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:42:36,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:36,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:36,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:42:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 239 states and 528 transitions. [2021-11-13 23:42:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 528 transitions. [2021-11-13 23:42:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:42:39,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:39,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:42:42,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:42,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 240 states and 530 transitions. [2021-11-13 23:42:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 530 transitions. [2021-11-13 23:42:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:42:42,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:42,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:43:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 245 states and 542 transitions. [2021-11-13 23:43:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 542 transitions. [2021-11-13 23:43:00,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:43:00,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:00,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:43:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 246 states and 547 transitions. [2021-11-13 23:43:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 547 transitions. [2021-11-13 23:43:12,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:43:12,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:12,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:17,408 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:43:53,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 254 states and 569 transitions. [2021-11-13 23:43:53,979 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 569 transitions. [2021-11-13 23:43:53,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:43:53,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:53,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:08,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 258 states and 578 transitions. [2021-11-13 23:44:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 578 transitions. [2021-11-13 23:44:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:44:38,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:38,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:39,178 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:44:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:43,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 258 states and 577 transitions. [2021-11-13 23:44:43,544 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 577 transitions. [2021-11-13 23:44:43,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:44:43,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:43,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat