./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.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_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/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_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/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_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/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 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 --- 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 16:27:18,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:27:18,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:27:18,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:27:18,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:27:18,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:27:18,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:27:18,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:27:18,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:27:18,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:27:18,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:27:18,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:27:18,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:27:18,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:27:18,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:27:18,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:27:18,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:27:18,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:27:18,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:27:18,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:27:18,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:27:18,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:27:18,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:27:18,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:27:18,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:27:18,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:27:18,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:27:18,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:27:18,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:27:18,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:27:18,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:27:18,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:27:18,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:27:18,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:27:18,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:27:18,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:27:18,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:27:18,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:27:18,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:27:18,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:27:18,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:27:18,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 16:27:18,920 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:27:18,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:27:18,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:27:18,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:27:18,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:27:18,923 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:27:18,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:27:18,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:27:18,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:27:18,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:27:18,925 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:27:18,925 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:27:18,925 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:27:18,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:27:18,926 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:27:18,926 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:27:18,926 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:27:18,927 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:27:18,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:27:18,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:27:18,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:27:18,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:27:18,928 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:27:18,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:27:18,929 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_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 [2022-11-20 16:27:19,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:27:19,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:27:19,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:27:19,273 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:27:19,274 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:27:19,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2022-11-20 16:27:22,402 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:27:22,654 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:27:22,654 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2022-11-20 16:27:22,673 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ/data/c7b94c441/1e964cc3f33f41bba725c7f8188c4b2e/FLAG47558350f [2022-11-20 16:27:22,707 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ/data/c7b94c441/1e964cc3f33f41bba725c7f8188c4b2e [2022-11-20 16:27:22,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:27:22,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:27:22,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:27:22,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:27:22,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:27:22,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:27:22" (1/1) ... [2022-11-20 16:27:22,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f73756a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:22, skipping insertion in model container [2022-11-20 16:27:22,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:27:22" (1/1) ... [2022-11-20 16:27:22,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:27:22,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:27:23,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:27:23,141 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:27:23,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:27:23,234 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:27:23,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23 WrapperNode [2022-11-20 16:27:23,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:27:23,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:27:23,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:27:23,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:27:23,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,283 INFO L138 Inliner]: procedures = 117, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-11-20 16:27:23,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:27:23,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:27:23,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:27:23,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:27:23,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,331 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:27:23,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:27:23,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:27:23,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:27:23,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:27:23,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:27:23,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:27:23,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c8c090-bf0a-4e61-9a09-d6a6f40db8a9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:27:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:27:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:27:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:27:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:27:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:27:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:27:23,578 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:27:23,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:27:23,773 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:27:23,829 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:27:23,829 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:27:23,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:23 BoogieIcfgContainer [2022-11-20 16:27:23,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:27:23,834 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:27:23,834 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:27:23,844 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:27:23,844 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:23" (1/1) ... [2022-11-20 16:27:23,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:27:23,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:23,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-11-20 16:27:23,937 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-20 16:27:23,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:27:23,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:23,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:24,224 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 16:27:24,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2022-11-20 16:27:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-11-20 16:27:24,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:27:24,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:24,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:24,724 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 16:27:25,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-11-20 16:27:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-20 16:27:25,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:27:25,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:25,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:25,538 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 16:27:26,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2022-11-20 16:27:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2022-11-20 16:27:26,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:27:26,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:26,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:26,576 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 16:27:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-11-20 16:27:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-11-20 16:27:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:27:26,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:26,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:27,307 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 16:27:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2022-11-20 16:27:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2022-11-20 16:27:28,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:27:28,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:28,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:28,501 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 16:27:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:28,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-11-20 16:27:28,692 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-11-20 16:27:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:27:28,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:28,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:29,182 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 16:27:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2022-11-20 16:27:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2022-11-20 16:27:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:27:31,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:31,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:31,319 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 16:27:33,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:33,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2022-11-20 16:27:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2022-11-20 16:27:33,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:27:33,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:33,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2022-11-20 16:27:35,854 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2022-11-20 16:27:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:27:35,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:35,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:36,627 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 16:27:39,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2022-11-20 16:27:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2022-11-20 16:27:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:27:39,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:39,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:39,919 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 16:27:40,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-11-20 16:27:40,539 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-11-20 16:27:40,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:27:40,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:40,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:40,590 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 16:27:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2022-11-20 16:27:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-11-20 16:27:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:27:41,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:41,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2022-11-20 16:27:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2022-11-20 16:27:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:27:45,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:45,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:46,062 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 16:27:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2022-11-20 16:27:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2022-11-20 16:27:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:27:46,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:46,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:48,223 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 16:27:55,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2022-11-20 16:27:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2022-11-20 16:27:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:27:55,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:55,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:27:57,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2022-11-20 16:27:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2022-11-20 16:27:57,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:27:57,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:57,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:57,444 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 16:27:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2022-11-20 16:27:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2022-11-20 16:27:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:27:58,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:58,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:27:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2022-11-20 16:27:59,740 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2022-11-20 16:27:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:27:59,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:59,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:28:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2022-11-20 16:28:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2022-11-20 16:28:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:28:01,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:01,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:28:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2022-11-20 16:28:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2022-11-20 16:28:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:28:02,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:28:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2022-11-20 16:28:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2022-11-20 16:28:02,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:28:02,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:02,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:28:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 50 states and 81 transitions. [2022-11-20 16:28:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2022-11-20 16:28:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:28:04,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:04,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:05,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:14,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 59 states and 97 transitions. [2022-11-20 16:28:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 97 transitions. [2022-11-20 16:28:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:28:14,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:14,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 98 transitions. [2022-11-20 16:28:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 98 transitions. [2022-11-20 16:28:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:28:16,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:16,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:30,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 65 states and 106 transitions. [2022-11-20 16:28:30,569 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 106 transitions. [2022-11-20 16:28:30,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:28:30,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:30,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 105 transitions. [2022-11-20 16:28:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 105 transitions. [2022-11-20 16:28:33,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:28:33,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:33,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:46,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 74 states and 120 transitions. [2022-11-20 16:28:46,538 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2022-11-20 16:28:46,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:28:46,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:46,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:29:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 80 states and 130 transitions. [2022-11-20 16:29:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 130 transitions. [2022-11-20 16:29:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:29:05,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:05,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:29:21,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 145 transitions. [2022-11-20 16:29:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2022-11-20 16:29:21,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:29:21,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:21,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:29:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 155 transitions. [2022-11-20 16:29:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 155 transitions. [2022-11-20 16:29:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 16:29:45,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:45,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:30:04,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 104 states and 170 transitions. [2022-11-20 16:30:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 170 transitions. [2022-11-20 16:30:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 16:30:04,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:04,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:10,788 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 20 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:30:35,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:35,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 110 states and 180 transitions. [2022-11-20 16:30:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2022-11-20 16:30:35,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 16:30:35,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:35,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:30:57,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:57,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 119 states and 195 transitions. [2022-11-20 16:30:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 195 transitions. [2022-11-20 16:30:57,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 16:30:57,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:57,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:31:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 30 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:31:33,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:31:33,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 125 states and 205 transitions. [2022-11-20 16:31:33,437 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 205 transitions. [2022-11-20 16:31:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 16:31:33,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:31:33,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:31:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:31:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 14 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:31:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:31:58,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 134 states and 220 transitions. [2022-11-20 16:31:58,881 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 220 transitions. [2022-11-20 16:31:58,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 16:31:58,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:31:58,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:31:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:32:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 42 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:32:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:32:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 140 states and 230 transitions. [2022-11-20 16:32:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 230 transitions. [2022-11-20 16:32:43,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 16:32:43,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:32:43,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:32:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:32:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 16 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:33:12,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:33:12,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 149 states and 245 transitions. [2022-11-20 16:33:12,380 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 245 transitions. [2022-11-20 16:33:12,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 16:33:12,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:33:12,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:33:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:33:22,190 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 56 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:34:01,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:34:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 155 states and 255 transitions. [2022-11-20 16:34:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 255 transitions. [2022-11-20 16:34:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 16:34:01,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:34:01,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:34:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:34:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 18 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:34:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:34:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 164 states and 270 transitions. [2022-11-20 16:34:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2022-11-20 16:34:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 16:34:35,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:34:35,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:34:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:34:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 72 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:35:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:35:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2022-11-20 16:35:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2022-11-20 16:35:37,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 16:35:37,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:35:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:35:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:35:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 20 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:36:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:36:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 179 states and 295 transitions. [2022-11-20 16:36:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 295 transitions. [2022-11-20 16:36:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 16:36:15,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:36:15,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:36:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:36:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 90 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:37:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:37:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 185 states and 305 transitions. [2022-11-20 16:37:24,332 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 305 transitions. [2022-11-20 16:37:24,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 16:37:24,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:37:24,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:37:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:37:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 22 proven. 341 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:38:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 194 states and 320 transitions. [2022-11-20 16:38:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 320 transitions. [2022-11-20 16:38:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 16:38:07,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:07,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:25,216 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 110 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:39:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:27,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 200 states and 330 transitions. [2022-11-20 16:39:27,718 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 330 transitions. [2022-11-20 16:39:27,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 16:39:27,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:27,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 24 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:40:15,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 209 states and 345 transitions. [2022-11-20 16:40:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 345 transitions. [2022-11-20 16:40:15,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 16:40:15,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:15,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 132 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.