./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/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_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/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 32bit --witnessprinter.graph.data.programhash f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 --- 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 17:10:42,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:10:42,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:10:42,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:10:42,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:10:42,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:10:42,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:10:42,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:10:42,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:10:42,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:10:42,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:10:42,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:10:42,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:10:42,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:10:42,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:10:42,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:10:42,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:10:42,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:10:42,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:10:42,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:10:42,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:10:42,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:10:42,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:10:42,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:10:42,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:10:42,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:10:42,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:10:42,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:10:42,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:10:42,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:10:42,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:10:42,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:10:42,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:10:42,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:10:42,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:10:42,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:10:42,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:10:42,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:10:42,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:10:42,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:10:42,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:10:42,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 17:10:42,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:10:42,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:10:42,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:10:42,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:10:42,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:10:42,439 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:10:42,439 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:10:42,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:10:42,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:10:42,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:10:42,440 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:10:42,441 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:10:42,441 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:10:42,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:10:42,441 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:10:42,441 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:10:42,441 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:10:42,442 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:10:42,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:10:42,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:10:42,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:10:42,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:10:42,443 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:10:42,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:10:42,443 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_8973f22b-fbc2-4d41-927a-e06d173dfe88/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 [2022-11-20 17:10:42,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:10:42,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:10:42,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:10:42,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:10:42,780 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:10:42,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2022-11-20 17:10:45,831 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:10:46,171 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:10:46,172 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2022-11-20 17:10:46,197 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/data/7ed618811/501abf4a2b70410887ca77a7e104627a/FLAG80bd02d81 [2022-11-20 17:10:46,215 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/data/7ed618811/501abf4a2b70410887ca77a7e104627a [2022-11-20 17:10:46,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:10:46,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:10:46,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:10:46,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:10:46,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:10:46,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2daa3949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46, skipping insertion in model container [2022-11-20 17:10:46,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:10:46,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:10:46,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:10:46,568 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:10:46,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:10:46,667 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:10:46,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46 WrapperNode [2022-11-20 17:10:46,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:10:46,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:10:46,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:10:46,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:10:46,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,722 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-11-20 17:10:46,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:10:46,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:10:46,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:10:46,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:10:46,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,745 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:10:46,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:10:46,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:10:46,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:10:46,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:46" (1/1) ... [2022-11-20 17:10:46,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:10:46,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:10:46,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:10:46,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8973f22b-fbc2-4d41-927a-e06d173dfe88/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:10:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:10:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:10:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:10:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:10:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:10:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:10:46,975 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:10:46,977 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:10:47,190 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:10:47,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:10:47,259 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:10:47,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:47 BoogieIcfgContainer [2022-11-20 17:10:47,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:10:47,263 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:10:47,263 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:10:47,273 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:10:47,274 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:47" (1/1) ... [2022-11-20 17:10:47,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:10:47,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:47,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-20 17:10:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-20 17:10:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:10:47,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:47,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:47,554 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 17:10:47,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:47,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-20 17:10:47,608 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-20 17:10:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:10:47,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:47,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:47,777 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 17:10:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:47,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-20 17:10:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-20 17:10:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:10:47,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:47,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:48,050 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 17:10:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:48,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-11-20 17:10:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-11-20 17:10:48,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:10:48,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:48,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:48,395 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 17:10:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-11-20 17:10:48,411 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-11-20 17:10:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:10:48,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:48,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:48,729 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 17:10:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-20 17:10:49,352 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-20 17:10:49,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:10:49,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:49,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:49,680 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 17:10:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-11-20 17:10:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-11-20 17:10:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:10:50,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:50,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:10:51,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:51,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-11-20 17:10:51,733 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-11-20 17:10:51,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:10:51,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:51,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:51,809 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 17:10:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:51,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2022-11-20 17:10:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2022-11-20 17:10:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:10:51,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:51,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:52,142 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 17:10:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-11-20 17:10:52,451 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-11-20 17:10:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:10:52,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:52,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:10:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2022-11-20 17:10:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2022-11-20 17:10:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:10:54,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:54,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:54,636 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 17:10:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:57,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2022-11-20 17:10:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2022-11-20 17:10:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:10:57,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:57,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:58,126 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 17:10:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:58,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2022-11-20 17:10:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2022-11-20 17:10:58,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:10:58,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:58,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2022-11-20 17:11:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2022-11-20 17:11:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:11:01,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:01,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:01,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:11:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:01,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2022-11-20 17:11:01,998 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-11-20 17:11:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:11:01,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:01,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:02,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2022-11-20 17:11:05,945 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2022-11-20 17:11:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:11:05,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:05,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:06,652 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 17:11:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2022-11-20 17:11:08,926 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2022-11-20 17:11:08,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:11:08,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:08,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:11:10,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2022-11-20 17:11:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2022-11-20 17:11:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:11:10,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:10,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:10,347 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 17:11:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:11,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2022-11-20 17:11:11,144 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2022-11-20 17:11:11,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:11:11,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:11,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:11:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2022-11-20 17:11:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2022-11-20 17:11:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:11:12,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:12,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:11:16,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:16,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2022-11-20 17:11:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2022-11-20 17:11:16,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:11:16,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2022-11-20 17:11:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2022-11-20 17:11:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:11:20,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:20,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:24,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2022-11-20 17:11:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2022-11-20 17:11:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:11:24,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:24,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:24,412 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 17:11:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 101 transitions. [2022-11-20 17:11:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 101 transitions. [2022-11-20 17:11:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:11:26,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:26,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:11:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2022-11-20 17:11:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2022-11-20 17:11:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:11:27,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:27,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:28,099 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 17:11:29,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:29,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2022-11-20 17:11:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2022-11-20 17:11:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:11:29,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:29,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:30,397 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 17:11:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2022-11-20 17:11:37,341 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2022-11-20 17:11:37,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:11:37,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:37,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:37,582 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 17:11:38,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:38,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 63 states and 119 transitions. [2022-11-20 17:11:38,733 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 119 transitions. [2022-11-20 17:11:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:11:38,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:38,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:38,828 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 17:11:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 64 states and 119 transitions. [2022-11-20 17:11:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 119 transitions. [2022-11-20 17:11:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:11:40,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:40,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:11:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2022-11-20 17:11:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2022-11-20 17:11:42,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:11:42,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 62 states and 114 transitions. [2022-11-20 17:11:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2022-11-20 17:11:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:11:47,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:47,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:11:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 108 transitions. [2022-11-20 17:11:48,348 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2022-11-20 17:11:48,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:11:48,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:48,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:50,701 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 17:12:05,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:05,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2022-11-20 17:12:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2022-11-20 17:12:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:12:05,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:05,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:07,373 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 17:12:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:12,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2022-11-20 17:12:12,627 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2022-11-20 17:12:12,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:12:12,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:12,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:13,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:12:28,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 76 states and 152 transitions. [2022-11-20 17:12:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 152 transitions. [2022-11-20 17:12:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:12:28,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:28,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 77 states and 153 transitions. [2022-11-20 17:12:32,853 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 153 transitions. [2022-11-20 17:12:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:12:32,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:32,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:49,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 83 states and 165 transitions. [2022-11-20 17:12:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 165 transitions. [2022-11-20 17:12:49,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:12:49,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:49,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:50,073 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 17:12:53,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:53,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 85 states and 168 transitions. [2022-11-20 17:12:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 168 transitions. [2022-11-20 17:12:53,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:12:53,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:53,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 17:12:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:54,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 84 states and 166 transitions. [2022-11-20 17:12:54,475 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2022-11-20 17:12:54,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:12:54,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:54,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 92 states and 186 transitions. [2022-11-20 17:13:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 186 transitions. [2022-11-20 17:13:12,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:13:12,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:12,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:12,491 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 93 states and 189 transitions. [2022-11-20 17:13:14,608 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 189 transitions. [2022-11-20 17:13:14,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:13:14,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:14,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:21,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 74 states and 135 transitions. [2022-11-20 17:13:21,529 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 135 transitions. [2022-11-20 17:13:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:13:21,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:21,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 73 states and 131 transitions. [2022-11-20 17:13:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 131 transitions. [2022-11-20 17:13:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:13:24,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:24,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 157 transitions. [2022-11-20 17:13:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2022-11-20 17:13:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:13:56,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:56,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:00,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 83 states and 159 transitions. [2022-11-20 17:14:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 159 transitions. [2022-11-20 17:14:00,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:14:00,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:00,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 84 states and 161 transitions. [2022-11-20 17:14:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2022-11-20 17:14:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:14:03,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:03,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:07,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:07,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-11-20 17:14:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-11-20 17:14:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:14:07,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:07,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 17:14:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 89 states and 168 transitions. [2022-11-20 17:14:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 168 transitions. [2022-11-20 17:14:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:14:11,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:11,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:45,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:45,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 99 states and 187 transitions. [2022-11-20 17:14:45,380 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 187 transitions. [2022-11-20 17:14:45,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:14:45,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:45,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:56,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 101 states and 192 transitions. [2022-11-20 17:14:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 192 transitions. [2022-11-20 17:14:56,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:14:56,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:56,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 98 states and 183 transitions. [2022-11-20 17:15:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 183 transitions. [2022-11-20 17:15:01,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:15:01,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:01,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-20 17:15:08,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:08,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 102 states and 191 transitions. [2022-11-20 17:15:08,088 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 191 transitions. [2022-11-20 17:15:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:15:08,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 108 states and 202 transitions. [2022-11-20 17:15:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 202 transitions. [2022-11-20 17:15:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:15:37,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:37,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 111 states and 212 transitions. [2022-11-20 17:15:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 212 transitions. [2022-11-20 17:15:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:15:49,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:49,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:53,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:53,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 108 states and 201 transitions. [2022-11-20 17:15:53,291 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 201 transitions. [2022-11-20 17:15:53,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:15:53,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:53,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:16:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:31,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 119 states and 225 transitions. [2022-11-20 17:16:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 225 transitions. [2022-11-20 17:16:31,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:16:31,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:31,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:16:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 123 states and 235 transitions. [2022-11-20 17:16:49,703 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 235 transitions. [2022-11-20 17:16:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:16:49,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:49,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:50,038 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:16:53,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 124 states and 235 transitions. [2022-11-20 17:16:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 235 transitions. [2022-11-20 17:16:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:16:53,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:53,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:17:25,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:17:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 132 states and 248 transitions. [2022-11-20 17:17:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 248 transitions. [2022-11-20 17:17:25,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:17:25,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:17:25,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:17:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:25,286 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:17:35,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:17:35,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 135 states and 253 transitions. [2022-11-20 17:17:35,208 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 253 transitions. [2022-11-20 17:17:35,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:17:35,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:17:35,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:17:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:41,912 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:18:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:18,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 141 states and 264 transitions. [2022-11-20 17:18:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 264 transitions. [2022-11-20 17:18:18,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:18:18,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:18,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:18:22,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:22,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 123 states and 215 transitions. [2022-11-20 17:18:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 215 transitions. [2022-11-20 17:18:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:18:22,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:22,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:19:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 135 states and 236 transitions. [2022-11-20 17:19:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 236 transitions. [2022-11-20 17:19:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:19:09,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:09,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 20 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:19:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 144 states and 254 transitions. [2022-11-20 17:19:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 254 transitions. [2022-11-20 17:19:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:19:53,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:53,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 150 states and 264 transitions. [2022-11-20 17:20:46,623 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 264 transitions. [2022-11-20 17:20:46,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:20:46,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:46,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 147 states and 257 transitions. [2022-11-20 17:21:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 257 transitions. [2022-11-20 17:21:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:21:12,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:12,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:19,631 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:05,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 159 states and 279 transitions. [2022-11-20 17:22:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 279 transitions. [2022-11-20 17:22:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:22:05,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:05,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 30 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 165 states and 290 transitions. [2022-11-20 17:22:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 290 transitions. [2022-11-20 17:22:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:22:43,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:43,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 25 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:23:47,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 171 states and 300 transitions. [2022-11-20 17:23:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2022-11-20 17:23:47,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:23:47,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:47,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.