./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.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_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/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_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/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_704a1ba8-599a-4d21-aa64-26c7a32612be/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 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd --- 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 16:49:15,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:15,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:15,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:15,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:15,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:15,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:15,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:15,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:15,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:15,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:15,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:15,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:15,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:15,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:15,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:15,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:15,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:15,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:15,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:15,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:15,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:15,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:15,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:15,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:15,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:15,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:15,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:15,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:15,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:15,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:15,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:15,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:15,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:15,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:15,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:15,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:15,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:15,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:15,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:15,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:15,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:49:15,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:15,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:15,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:15,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:15,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:15,973 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:15,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:49:15,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:15,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:15,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:15,974 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:49:15,975 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:49:15,975 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:49:15,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:15,975 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:15,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:15,976 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:15,976 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:15,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:15,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:15,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:15,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:15,977 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:15,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:15,977 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_704a1ba8-599a-4d21-aa64-26c7a32612be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd [2022-10-17 16:49:16,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:16,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:16,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:16,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:16,267 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:16,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2022-10-17 16:49:16,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/data/04f7b666a/442aaf9480344077b8fa250816ac4a25/FLAG982d62697 [2022-10-17 16:49:16,874 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:16,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2022-10-17 16:49:16,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/data/04f7b666a/442aaf9480344077b8fa250816ac4a25/FLAG982d62697 [2022-10-17 16:49:17,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/data/04f7b666a/442aaf9480344077b8fa250816ac4a25 [2022-10-17 16:49:17,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:17,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:17,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:17,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:17,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:17,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d85bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17, skipping insertion in model container [2022-10-17 16:49:17,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:17,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:17,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:17,654 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:17,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:17,746 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:17,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17 WrapperNode [2022-10-17 16:49:17,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:17,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:17,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:17,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:17,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,830 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2022-10-17 16:49:17,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:17,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:17,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:17,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:17,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,881 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:17,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:17,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:17,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:17,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:17" (1/1) ... [2022-10-17 16:49:17,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:17,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:17,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:17,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_704a1ba8-599a-4d21-aa64-26c7a32612be/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:49:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:49:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:18,096 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:18,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:18,426 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:18,535 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:18,535 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:49:18,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:18 BoogieIcfgContainer [2022-10-17 16:49:18,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:18,539 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:18,539 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:18,551 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:18,551 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:18" (1/1) ... [2022-10-17 16:49:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:18,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2022-10-17 16:49:18,641 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-10-17 16:49:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:49:18,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:18,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:19,150 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 16:49:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2022-10-17 16:49:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-10-17 16:49:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:49:19,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:19,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:19,486 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 16:49:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2022-10-17 16:49:19,735 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-10-17 16:49:19,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:49:19,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:19,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:19,873 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 16:49:19,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:19,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2022-10-17 16:49:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-10-17 16:49:19,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:49:19,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:19,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:20,085 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 16:49:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2022-10-17 16:49:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2022-10-17 16:49:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:49:20,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:20,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:20,494 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 16:49:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2022-10-17 16:49:20,833 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-10-17 16:49:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:49:20,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:20,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:21,047 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 16:49:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2022-10-17 16:49:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2022-10-17 16:49:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:49:21,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:21,790 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 16:49:21,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:21,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2022-10-17 16:49:21,819 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2022-10-17 16:49:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:49:21,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:21,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:21,962 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 16:49:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2022-10-17 16:49:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2022-10-17 16:49:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:49:22,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:22,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:23,042 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 16:49:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:23,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 83 transitions. [2022-10-17 16:49:23,780 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 83 transitions. [2022-10-17 16:49:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:23,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:23,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:24,003 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 16:49:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:24,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2022-10-17 16:49:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2022-10-17 16:49:24,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:24,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:24,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:24,446 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 16:49:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2022-10-17 16:49:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2022-10-17 16:49:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:24,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:24,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:25,003 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 16:49:25,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2022-10-17 16:49:25,299 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2022-10-17 16:49:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:25,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:25,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:25,387 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 16:49:25,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:25,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 90 transitions. [2022-10-17 16:49:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2022-10-17 16:49:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:25,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:25,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:25,906 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 16:49:27,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2022-10-17 16:49:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2022-10-17 16:49:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:27,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:27,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:27,072 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 16:49:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2022-10-17 16:49:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2022-10-17 16:49:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:27,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:27,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:27,955 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 16:49:28,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 110 transitions. [2022-10-17 16:49:28,431 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2022-10-17 16:49:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:28,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,459 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 16:49:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2022-10-17 16:49:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2022-10-17 16:49:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:29,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:29,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:29,291 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 16:49:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 66 states and 117 transitions. [2022-10-17 16:49:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 117 transitions. [2022-10-17 16:49:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:29,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:29,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:30,061 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 16:49:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:30,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 68 states and 122 transitions. [2022-10-17 16:49:30,942 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 122 transitions. [2022-10-17 16:49:30,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:30,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:30,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:31,254 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 16:49:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 69 states and 124 transitions. [2022-10-17 16:49:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 124 transitions. [2022-10-17 16:49:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:31,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:31,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:31,972 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 16:49:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:32,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 70 states and 127 transitions. [2022-10-17 16:49:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 127 transitions. [2022-10-17 16:49:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:32,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:32,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:33,028 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 16:49:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 65 states and 110 transitions. [2022-10-17 16:49:33,515 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 110 transitions. [2022-10-17 16:49:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:49:33,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:33,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:33,855 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 16:49:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:34,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 66 states and 114 transitions. [2022-10-17 16:49:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2022-10-17 16:49:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:49:34,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:34,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:34,474 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 16:49:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 114 transitions. [2022-10-17 16:49:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2022-10-17 16:49:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:49:34,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:34,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:34,947 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 16:49:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:35,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2022-10-17 16:49:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2022-10-17 16:49:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:49:35,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:35,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:35,436 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 16:49:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 116 transitions. [2022-10-17 16:49:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 116 transitions. [2022-10-17 16:49:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:49:35,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:35,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:35,916 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 16:49:36,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 65 states and 107 transitions. [2022-10-17 16:49:36,315 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 107 transitions. [2022-10-17 16:49:36,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:49:36,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:36,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:36,382 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 16:49:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:36,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2022-10-17 16:49:36,861 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2022-10-17 16:49:36,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:49:36,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:36,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:36,887 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 16:49:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2022-10-17 16:49:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2022-10-17 16:49:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:49:37,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:37,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:37,568 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 16:49:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2022-10-17 16:49:38,305 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2022-10-17 16:49:38,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:49:38,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:38,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:38,492 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 16:49:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:38,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2022-10-17 16:49:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2022-10-17 16:49:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:49:38,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:38,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:38,911 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 16:49:39,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 70 transitions. [2022-10-17 16:49:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2022-10-17 16:49:39,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:49:39,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:39,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:39,583 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 16:49:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 45 states and 60 transitions. [2022-10-17 16:49:40,219 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-10-17 16:49:40,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:49:40,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:40,583 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 16:49:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2022-10-17 16:49:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2022-10-17 16:49:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:49:41,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:41,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:41,984 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 16:49:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2022-10-17 16:49:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2022-10-17 16:49:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:49:44,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:44,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.