./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcspn-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcspn-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB --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 86c4ccee9690ccdd33683565314ba095e56520aa142914bd8063fc7c4c92940d --- 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-dbf71c6-m [2022-10-17 16:43:57,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:57,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:57,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:57,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:57,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:57,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:57,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:57,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:57,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:57,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:57,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:57,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:57,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:57,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:57,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:57,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:57,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:57,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:57,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:57,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:57,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:57,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:57,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:57,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:57,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:57,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:57,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:57,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:57,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:57,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:57,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:57,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:57,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:57,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:57,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:57,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:57,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:57,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:57,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:57,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:57,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:43:58,004 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:58,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:58,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:58,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:58,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:58,007 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:58,008 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:43:58,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:43:58,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:58,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:58,010 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:43:58,010 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:43:58,010 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:43:58,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:58,011 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:58,011 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:58,011 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:58,012 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:58,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:58,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:58,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:58,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:58,013 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:43:58,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:43:58,014 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_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86c4ccee9690ccdd33683565314ba095e56520aa142914bd8063fc7c4c92940d [2022-10-17 16:43:58,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:58,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:58,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:58,330 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:58,331 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:58,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcspn-alloca-2.i [2022-10-17 16:43:58,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/data/de1e8e609/b58bf193c0a04bf2b88312fbc0a44b23/FLAG051dc1c9f [2022-10-17 16:43:58,925 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:58,927 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/sv-benchmarks/c/array-memsafety/openbsd_cstrcspn-alloca-2.i [2022-10-17 16:43:58,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/data/de1e8e609/b58bf193c0a04bf2b88312fbc0a44b23/FLAG051dc1c9f [2022-10-17 16:43:59,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/data/de1e8e609/b58bf193c0a04bf2b88312fbc0a44b23 [2022-10-17 16:43:59,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:59,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:59,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:59,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:59,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:59,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44cbcff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59, skipping insertion in model container [2022-10-17 16:43:59,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:59,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:59,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:59,661 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:59,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:59,751 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:59,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59 WrapperNode [2022-10-17 16:43:59,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:59,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:59,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:59,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:59,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,829 INFO L138 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2022-10-17 16:43:59,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:59,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:59,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:59,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:59,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,873 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:59,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:59,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:59,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:59,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:59" (1/1) ... [2022-10-17 16:43:59,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:59,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:59,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:59,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cb452-8d14-446b-ab7b-3423eece5c7a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:43:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:43:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:43:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:43:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:59,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:00,070 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:00,073 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:00,421 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:00,548 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:00,548 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:44:00,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:00 BoogieIcfgContainer [2022-10-17 16:44:00,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:44:00,552 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:44:00,552 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:44:00,577 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:44:00,577 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:00" (1/1) ... [2022-10-17 16:44:00,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:44:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2022-10-17 16:44:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-10-17 16:44:00,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:44:00,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:00,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2022-10-17 16:44:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-10-17 16:44:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:44:01,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:01,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:01,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2022-10-17 16:44:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-10-17 16:44:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:01,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:01,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:02,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:02,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2022-10-17 16:44:02,048 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-10-17 16:44:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:02,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:02,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2022-10-17 16:44:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2022-10-17 16:44:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:02,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:02,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:02,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2022-10-17 16:44:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2022-10-17 16:44:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:02,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:02,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:03,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2022-10-17 16:44:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2022-10-17 16:44:03,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:44:03,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:03,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2022-10-17 16:44:03,975 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2022-10-17 16:44:03,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:44:03,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:03,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2022-10-17 16:44:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2022-10-17 16:44:05,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:44:05,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:05,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2022-10-17 16:44:06,589 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2022-10-17 16:44:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:06,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:06,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2022-10-17 16:44:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2022-10-17 16:44:07,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:07,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:07,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:08,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2022-10-17 16:44:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2022-10-17 16:44:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:08,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:08,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:09,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 51 states and 91 transitions. [2022-10-17 16:44:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2022-10-17 16:44:09,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:09,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:09,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:09,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:09,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 97 transitions. [2022-10-17 16:44:09,848 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2022-10-17 16:44:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:09,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:09,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:11,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 113 transitions. [2022-10-17 16:44:11,928 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 113 transitions. [2022-10-17 16:44:11,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:11,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:11,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:12,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 115 transitions. [2022-10-17 16:44:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 115 transitions. [2022-10-17 16:44:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:12,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:12,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 117 transitions. [2022-10-17 16:44:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 117 transitions. [2022-10-17 16:44:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:13,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:13,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:14,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:14,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2022-10-17 16:44:14,121 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2022-10-17 16:44:14,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:14,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:14,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 64 states and 124 transitions. [2022-10-17 16:44:15,939 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 124 transitions. [2022-10-17 16:44:15,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:15,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:16,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2022-10-17 16:44:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2022-10-17 16:44:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:16,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:16,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:17,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 66 states and 127 transitions. [2022-10-17 16:44:17,258 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2022-10-17 16:44:17,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:17,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:17,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:18,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 68 states and 130 transitions. [2022-10-17 16:44:18,167 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 130 transitions. [2022-10-17 16:44:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:18,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:18,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:20,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 143 transitions. [2022-10-17 16:44:20,748 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 143 transitions. [2022-10-17 16:44:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:44:20,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:20,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 73 states and 145 transitions. [2022-10-17 16:44:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 145 transitions. [2022-10-17 16:44:21,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:44:21,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:21,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:23,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2022-10-17 16:44:23,086 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2022-10-17 16:44:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:44:23,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:23,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 77 states and 158 transitions. [2022-10-17 16:44:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 158 transitions. [2022-10-17 16:44:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:44:24,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:24,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 79 states and 166 transitions. [2022-10-17 16:44:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 166 transitions. [2022-10-17 16:44:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:44:26,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:26,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:44:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 81 states and 171 transitions. [2022-10-17 16:44:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 171 transitions. [2022-10-17 16:44:27,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:44:27,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:27,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:44:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:28,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 83 states and 175 transitions. [2022-10-17 16:44:28,691 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 175 transitions. [2022-10-17 16:44:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:44:28,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:28,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 84 states and 175 transitions. [2022-10-17 16:44:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 175 transitions. [2022-10-17 16:44:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:44:29,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:29,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:30,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 85 states and 179 transitions. [2022-10-17 16:44:30,140 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 179 transitions. [2022-10-17 16:44:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:44:30,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:30,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:30,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 86 states and 180 transitions. [2022-10-17 16:44:30,746 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 180 transitions. [2022-10-17 16:44:30,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:44:30,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:30,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat