./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrcspn_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrcspn_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ --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 64bit --witnessprinter.graph.data.programhash dea536aba24bbbd149deffc3b8406a97f6fac760a5b2f50471455440f523d7fc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:56:24,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:56:24,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:56:24,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:56:24,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:56:24,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:56:24,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:56:24,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:56:24,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:56:24,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:56:24,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:56:24,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:56:24,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:56:24,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:56:24,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:56:24,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:56:24,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:56:24,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:56:24,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:56:24,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:56:24,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:56:24,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:56:24,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:56:24,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:56:24,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:56:24,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:56:24,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:56:24,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:56:24,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:56:24,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:56:24,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:56:24,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:56:24,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:56:24,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:56:24,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:56:24,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:56:24,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:56:24,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:56:24,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:56:24,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:56:24,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:56:24,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 16:56:24,151 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:56:24,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:56:24,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:56:24,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:56:24,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:56:24,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:56:24,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:56:24,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:56:24,155 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:56:24,155 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:56:24,155 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:56:24,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:56:24,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:56:24,156 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:56:24,156 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:56:24,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:56:24,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:56:24,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:56:24,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:56:24,158 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:56:24,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:56:24,158 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_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dea536aba24bbbd149deffc3b8406a97f6fac760a5b2f50471455440f523d7fc [2022-11-20 16:56:24,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:56:24,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:56:24,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:56:24,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:56:24,541 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:56:24,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-15/cstrcspn_malloc.i [2022-11-20 16:56:27,634 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:56:27,923 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:56:27,928 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/sv-benchmarks/c/termination-15/cstrcspn_malloc.i [2022-11-20 16:56:27,941 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/data/1b49ad38a/97bd4cf3c2f24b4ebe8b0ee713198248/FLAG2913d84ce [2022-11-20 16:56:27,956 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/data/1b49ad38a/97bd4cf3c2f24b4ebe8b0ee713198248 [2022-11-20 16:56:27,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:56:27,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:56:27,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:56:27,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:56:27,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:56:27,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:27" (1/1) ... [2022-11-20 16:56:27,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73137c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:27, skipping insertion in model container [2022-11-20 16:56:27,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:27" (1/1) ... [2022-11-20 16:56:27,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:56:28,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:56:28,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:56:28,493 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:56:28,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:56:28,596 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:56:28,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28 WrapperNode [2022-11-20 16:56:28,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:56:28,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:56:28,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:56:28,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:56:28,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,673 INFO L138 Inliner]: procedures = 152, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-11-20 16:56:28,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:56:28,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:56:28,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:56:28,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:56:28,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:56:28,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:56:28,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:56:28,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:56:28,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:56:28,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:56:28,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:56:28,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9577dade-b85e-42be-8576-82274f89c509/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:56:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:56:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:56:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:56:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:56:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:56:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:56:28,955 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:56:28,957 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:56:29,312 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:56:29,395 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:56:29,395 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:56:29,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:29 BoogieIcfgContainer [2022-11-20 16:56:29,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:56:29,399 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:56:29,399 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:56:29,410 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:56:29,410 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:29" (1/1) ... [2022-11-20 16:56:29,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:56:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:29,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2022-11-20 16:56:29,484 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-11-20 16:56:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 16:56:29,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:29,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2022-11-20 16:56:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2022-11-20 16:56:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 16:56:29,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:29,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 41 states and 46 transitions. [2022-11-20 16:56:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-20 16:56:30,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:56:30,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:30,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:30,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2022-11-20 16:56:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-20 16:56:30,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:56:30,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:30,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:30,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:31,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2022-11-20 16:56:31,382 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-20 16:56:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:56:31,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:31,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:31,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2022-11-20 16:56:31,698 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-20 16:56:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:56:31,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:31,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 41 states and 47 transitions. [2022-11-20 16:56:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-20 16:56:32,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:56:32,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:32,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:32,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2022-11-20 16:56:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2022-11-20 16:56:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:56:32,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:32,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:32,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2022-11-20 16:56:32,691 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-11-20 16:56:32,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:56:32,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:32,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:33,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2022-11-20 16:56:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-11-20 16:56:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:56:33,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:33,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:33,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2022-11-20 16:56:34,471 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-11-20 16:56:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:56:34,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:34,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:34,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2022-11-20 16:56:34,772 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-11-20 16:56:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:56:34,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:34,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 54 states and 73 transitions. [2022-11-20 16:56:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2022-11-20 16:56:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:56:34,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:34,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2022-11-20 16:56:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-20 16:56:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:56:35,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:35,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2022-11-20 16:56:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2022-11-20 16:56:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:56:36,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:36,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:36,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2022-11-20 16:56:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2022-11-20 16:56:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:56:36,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:36,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:36,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2022-11-20 16:56:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2022-11-20 16:56:36,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:56:36,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:36,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2022-11-20 16:56:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2022-11-20 16:56:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:56:37,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:37,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:38,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 71 states and 102 transitions. [2022-11-20 16:56:38,314 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2022-11-20 16:56:38,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:56:38,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:38,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:42,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:42,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 79 states and 120 transitions. [2022-11-20 16:56:42,217 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2022-11-20 16:56:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:56:42,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:42,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:43,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:43,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 135 transitions. [2022-11-20 16:56:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions. [2022-11-20 16:56:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:56:43,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:43,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:44,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:50,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 96 states and 160 transitions. [2022-11-20 16:56:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 160 transitions. [2022-11-20 16:56:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:56:50,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:50,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:52,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 174 transitions. [2022-11-20 16:56:52,961 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 174 transitions. [2022-11-20 16:56:52,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:56:52,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:52,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:58,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 110 states and 192 transitions. [2022-11-20 16:56:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2022-11-20 16:56:58,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:56:58,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:58,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:58,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:59,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 111 states and 195 transitions. [2022-11-20 16:56:59,461 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 195 transitions. [2022-11-20 16:56:59,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:56:59,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:59,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:57:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 110 states and 194 transitions. [2022-11-20 16:57:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 194 transitions. [2022-11-20 16:57:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:57:00,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:00,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:00,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:01,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:01,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 113 states and 205 transitions. [2022-11-20 16:57:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 205 transitions. [2022-11-20 16:57:01,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:57:01,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 114 states and 206 transitions. [2022-11-20 16:57:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 206 transitions. [2022-11-20 16:57:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:57:02,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:02,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:05,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 120 states and 217 transitions. [2022-11-20 16:57:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 217 transitions. [2022-11-20 16:57:05,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:57:05,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:05,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:13,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:13,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 130 states and 238 transitions. [2022-11-20 16:57:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 238 transitions. [2022-11-20 16:57:13,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:57:13,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:13,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:57:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 127 states and 229 transitions. [2022-11-20 16:57:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 229 transitions. [2022-11-20 16:57:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:57:13,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:13,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 128 states and 230 transitions. [2022-11-20 16:57:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 230 transitions. [2022-11-20 16:57:14,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:57:14,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:14,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:57:14,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 129 states and 231 transitions. [2022-11-20 16:57:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2022-11-20 16:57:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:57:14,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:14,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:57:15,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:15,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 128 states and 230 transitions. [2022-11-20 16:57:15,528 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 230 transitions. [2022-11-20 16:57:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:57:15,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:15,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:19,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 134 states and 240 transitions. [2022-11-20 16:57:19,043 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 240 transitions. [2022-11-20 16:57:19,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:57:19,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:19,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:20,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:31,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 145 states and 262 transitions. [2022-11-20 16:57:31,721 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 262 transitions. [2022-11-20 16:57:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:57:31,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:31,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 156 states and 291 transitions. [2022-11-20 16:57:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 291 transitions. [2022-11-20 16:57:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:57:45,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:45,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:45,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:46,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 157 states and 292 transitions. [2022-11-20 16:57:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 292 transitions. [2022-11-20 16:57:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:57:46,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:46,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:57:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 163 states and 319 transitions. [2022-11-20 16:57:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 319 transitions. [2022-11-20 16:57:53,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:57:53,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:53,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:58:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:00,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 169 states and 346 transitions. [2022-11-20 16:58:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 346 transitions. [2022-11-20 16:58:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:58:00,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:00,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:58:06,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:06,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 175 states and 358 transitions. [2022-11-20 16:58:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 358 transitions. [2022-11-20 16:58:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:58:06,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:06,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:58:07,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 175 states and 357 transitions. [2022-11-20 16:58:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 357 transitions. [2022-11-20 16:58:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:58:07,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:07,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:58:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 175 states and 356 transitions. [2022-11-20 16:58:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 356 transitions. [2022-11-20 16:58:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:58:09,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:09,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:58:14,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 180 states and 367 transitions. [2022-11-20 16:58:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 367 transitions. [2022-11-20 16:58:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:58:14,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:14,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:58:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:15,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 181 states and 368 transitions. [2022-11-20 16:58:15,948 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 368 transitions. [2022-11-20 16:58:15,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:58:15,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:15,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:58:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 186 states and 377 transitions. [2022-11-20 16:58:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 377 transitions. [2022-11-20 16:58:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:58:20,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:20,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:58:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 188 states and 380 transitions. [2022-11-20 16:58:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 380 transitions. [2022-11-20 16:58:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:58:21,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:21,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:58:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 194 states and 395 transitions. [2022-11-20 16:58:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 395 transitions. [2022-11-20 16:58:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:58:37,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:37,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:58:40,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:40,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 197 states and 402 transitions. [2022-11-20 16:58:40,527 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 402 transitions. [2022-11-20 16:58:40,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:58:40,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:40,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:58:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 204 states and 417 transitions. [2022-11-20 16:58:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 417 transitions. [2022-11-20 16:58:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:58:51,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:58:52,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:52,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 205 states and 418 transitions. [2022-11-20 16:58:52,843 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 418 transitions. [2022-11-20 16:58:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:58:52,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:52,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:59:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 213 states and 442 transitions. [2022-11-20 16:59:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 442 transitions. [2022-11-20 16:59:04,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:59:04,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:04,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:59:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:05,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 215 states and 445 transitions. [2022-11-20 16:59:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 445 transitions. [2022-11-20 16:59:05,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:59:05,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:05,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:59:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 222 states and 460 transitions. [2022-11-20 16:59:17,654 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 460 transitions. [2022-11-20 16:59:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:59:17,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:17,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:59:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 228 states and 474 transitions. [2022-11-20 16:59:25,373 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 474 transitions. [2022-11-20 16:59:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:59:25,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:25,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:25,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:59:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:26,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 229 states and 475 transitions. [2022-11-20 16:59:26,535 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 475 transitions. [2022-11-20 16:59:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:59:26,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:26,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:26,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:59:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 231 states and 478 transitions. [2022-11-20 16:59:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 478 transitions. [2022-11-20 16:59:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:59:27,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:27,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:59:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 238 states and 493 transitions. [2022-11-20 16:59:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 493 transitions. [2022-11-20 16:59:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:59:41,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:41,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:00:16,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:00:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 251 states and 532 transitions. [2022-11-20 17:00:16,618 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 532 transitions. [2022-11-20 17:00:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:00:16,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:00:16,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:00:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:00:16,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:00:26,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:00:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 257 states and 547 transitions. [2022-11-20 17:00:26,681 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 547 transitions. [2022-11-20 17:00:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:00:26,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:00:26,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:00:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:00:26,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:00:28,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:00:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 258 states and 548 transitions. [2022-11-20 17:00:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 548 transitions. [2022-11-20 17:00:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:00:28,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:00:28,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:00:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:00:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:00:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:00:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 263 states and 575 transitions. [2022-11-20 17:00:52,266 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 575 transitions. [2022-11-20 17:00:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:00:52,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:00:52,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:00:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:00:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:01:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:02,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 267 states and 594 transitions. [2022-11-20 17:01:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 594 transitions. [2022-11-20 17:01:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:01:02,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:02,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:04,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:04,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 268 states and 597 transitions. [2022-11-20 17:01:04,050 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 597 transitions. [2022-11-20 17:01:04,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:01:04,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:04,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:01:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 269 states and 598 transitions. [2022-11-20 17:01:05,494 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 598 transitions. [2022-11-20 17:01:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:01:05,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:05,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 270 states and 601 transitions. [2022-11-20 17:01:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 601 transitions. [2022-11-20 17:01:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:01:07,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:07,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:01:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 271 states and 602 transitions. [2022-11-20 17:01:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 602 transitions. [2022-11-20 17:01:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:01:08,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:08,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 277 states and 632 transitions. [2022-11-20 17:01:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 632 transitions. [2022-11-20 17:01:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:01:34,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:34,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:01:42,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:42,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 282 states and 644 transitions. [2022-11-20 17:01:42,507 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 644 transitions. [2022-11-20 17:01:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:01:42,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:48,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 285 states and 657 transitions. [2022-11-20 17:01:48,911 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 657 transitions. [2022-11-20 17:01:48,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:01:48,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:48,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:01:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 286 states and 659 transitions. [2022-11-20 17:01:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 659 transitions. [2022-11-20 17:01:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:01:51,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:51,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:01:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 289 states and 662 transitions. [2022-11-20 17:01:55,995 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 662 transitions. [2022-11-20 17:01:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:01:55,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:55,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:02:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 291 states and 667 transitions. [2022-11-20 17:02:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 667 transitions. [2022-11-20 17:02:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:02:00,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:00,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 297 states and 695 transitions. [2022-11-20 17:02:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 695 transitions. [2022-11-20 17:02:16,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:02:16,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:16,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:02:21,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 299 states and 700 transitions. [2022-11-20 17:02:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 700 transitions. [2022-11-20 17:02:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:02:21,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:21,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:02:25,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:25,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 302 states and 705 transitions. [2022-11-20 17:02:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 705 transitions. [2022-11-20 17:02:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:02:25,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:25,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:02:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 305 states and 708 transitions. [2022-11-20 17:02:31,520 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 708 transitions. [2022-11-20 17:02:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:02:31,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:31,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:31,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:02:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 311 states and 724 transitions. [2022-11-20 17:02:45,834 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 724 transitions. [2022-11-20 17:02:45,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:02:45,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:45,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:02:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:49,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 313 states and 727 transitions. [2022-11-20 17:02:49,830 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 727 transitions. [2022-11-20 17:02:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:02:49,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:49,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:11,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:11,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 320 states and 745 transitions. [2022-11-20 17:03:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 745 transitions. [2022-11-20 17:03:11,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:03:11,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:11,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:11,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:03:14,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:14,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 318 states and 737 transitions. [2022-11-20 17:03:14,747 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 737 transitions. [2022-11-20 17:03:14,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:03:14,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:14,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:22,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:22,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 334 states and 803 transitions. [2022-11-20 17:04:22,771 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 803 transitions. [2022-11-20 17:04:22,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:04:22,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:22,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:04:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 339 states and 816 transitions. [2022-11-20 17:04:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 816 transitions. [2022-11-20 17:04:36,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:04:36,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:36,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:38,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:57,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:57,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 343 states and 828 transitions. [2022-11-20 17:04:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 828 transitions. [2022-11-20 17:04:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:04:57,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:57,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:57,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:05:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 346 states and 834 transitions. [2022-11-20 17:05:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 834 transitions. [2022-11-20 17:05:04,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:05:04,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:04,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:05:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 351 states and 846 transitions. [2022-11-20 17:05:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 846 transitions. [2022-11-20 17:05:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:05:15,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:15,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:05:32,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 357 states and 862 transitions. [2022-11-20 17:05:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 862 transitions. [2022-11-20 17:05:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:05:32,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:32,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:05:36,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:36,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 359 states and 866 transitions. [2022-11-20 17:05:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 866 transitions. [2022-11-20 17:05:36,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:05:36,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:36,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:05:41,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:41,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 361 states and 871 transitions. [2022-11-20 17:05:41,544 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 871 transitions. [2022-11-20 17:05:41,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:05:41,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:41,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:41,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:44,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:44,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 363 states and 872 transitions. [2022-11-20 17:05:44,140 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 872 transitions. [2022-11-20 17:05:44,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:05:44,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:44,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:46,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:02,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 369 states and 885 transitions. [2022-11-20 17:06:02,679 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 885 transitions. [2022-11-20 17:06:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:06:02,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:02,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:29,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:29,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 374 states and 898 transitions. [2022-11-20 17:06:29,438 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 898 transitions. [2022-11-20 17:06:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:06:29,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:29,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:34,619 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:19,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 388 states and 946 transitions. [2022-11-20 17:07:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 946 transitions. [2022-11-20 17:07:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:07:19,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:19,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:19,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:07:38,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 394 states and 962 transitions. [2022-11-20 17:07:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 962 transitions. [2022-11-20 17:07:38,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:07:38,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:38,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:07:54,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 399 states and 974 transitions. [2022-11-20 17:07:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 974 transitions. [2022-11-20 17:07:54,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:07:54,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:08:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 402 states and 982 transitions. [2022-11-20 17:08:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 982 transitions. [2022-11-20 17:08:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:08:03,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:08:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 404 states and 986 transitions. [2022-11-20 17:08:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 986 transitions. [2022-11-20 17:08:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:08:08,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:08,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:08:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 406 states and 991 transitions. [2022-11-20 17:08:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 991 transitions. [2022-11-20 17:08:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:08:14,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:14,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:08:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 411 states and 1006 transitions. [2022-11-20 17:08:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1006 transitions. [2022-11-20 17:08:32,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:08:32,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:32,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:08:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 418 states and 1021 transitions. [2022-11-20 17:08:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1021 transitions. [2022-11-20 17:08:48,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:08:48,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:48,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:58,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:33,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 424 states and 1038 transitions. [2022-11-20 17:09:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 1038 transitions. [2022-11-20 17:09:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:09:33,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:33,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:09:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 429 states and 1046 transitions. [2022-11-20 17:09:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1046 transitions. [2022-11-20 17:09:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:09:44,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:44,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:09:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:53,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 432 states and 1056 transitions. [2022-11-20 17:09:53,926 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1056 transitions. [2022-11-20 17:09:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:09:53,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:53,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.