./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.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_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/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_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/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_e284c402-4150-4967-985e-08725592f764/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 b6787eb3a37902efa71d2cd0d9e143f31d9492f6d095b3afd518dba74579db5b --- 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 16:37:12,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:12,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:12,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:12,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:12,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:12,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:12,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:12,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:12,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:12,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:12,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:12,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:12,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:12,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:12,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:12,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:12,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:12,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:12,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:12,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:12,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:12,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:12,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:12,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:12,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:12,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:12,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:12,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:12,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:12,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:12,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:12,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:12,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:12,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:12,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:12,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:12,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:12,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:12,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:12,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:12,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:37:12,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:12,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:12,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:12,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:12,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:12,708 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:12,709 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:37:12,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:12,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:12,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:12,710 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:37:12,710 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:37:12,711 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:37:12,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:12,711 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:12,712 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:12,712 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:12,712 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:12,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:12,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:12,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:12,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:12,714 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:12,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:12,715 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_e284c402-4150-4967-985e-08725592f764/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6787eb3a37902efa71d2cd0d9e143f31d9492f6d095b3afd518dba74579db5b [2022-10-17 16:37:12,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:13,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:13,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:13,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:13,019 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:13,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2022-10-17 16:37:13,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/data/67d81b743/55e864bd64e5439788287258cf76d859/FLAG703d9fff1 [2022-10-17 16:37:13,633 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:13,639 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2022-10-17 16:37:13,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/data/67d81b743/55e864bd64e5439788287258cf76d859/FLAG703d9fff1 [2022-10-17 16:37:13,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/data/67d81b743/55e864bd64e5439788287258cf76d859 [2022-10-17 16:37:13,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:13,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:13,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:13,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:13,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:13,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:13" (1/1) ... [2022-10-17 16:37:13,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52734dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:13, skipping insertion in model container [2022-10-17 16:37:13,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:13" (1/1) ... [2022-10-17 16:37:13,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:14,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:14,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:14,592 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:14,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:14,736 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:14,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14 WrapperNode [2022-10-17 16:37:14,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:14,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:14,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:14,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:14,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,827 INFO L138 Inliner]: procedures = 166, calls = 78, calls flagged for inlining = 32, calls inlined = 7, statements flattened = 107 [2022-10-17 16:37:14,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:14,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:14,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:14,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:14,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,888 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:14,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:14,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:14,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:14,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:14" (1/1) ... [2022-10-17 16:37:14,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:14,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:14,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:14,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e284c402-4150-4967-985e-08725592f764/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:14,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:37:14,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:14,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:37:14,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:37:14,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:37:14,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:37:14,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:14,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:15,113 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:15,116 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:15,476 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:15,586 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:15,586 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:37:15,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:15 BoogieIcfgContainer [2022-10-17 16:37:15,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:15,590 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:15,590 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:15,601 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:15,602 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:15" (1/1) ... [2022-10-17 16:37:15,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2022-10-17 16:37:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-10-17 16:37:15,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:37:15,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:15,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:16,023 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 16:37:16,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:16,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 41 states and 46 transitions. [2022-10-17 16:37:16,091 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-10-17 16:37:16,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:37:16,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:16,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:16,256 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 16:37:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2022-10-17 16:37:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-10-17 16:37:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:37:16,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:16,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:16,848 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 16:37:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2022-10-17 16:37:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-10-17 16:37:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:37:17,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:17,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:17,527 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 16:37:18,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2022-10-17 16:37:18,029 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2022-10-17 16:37:18,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:37:18,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:18,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:18,350 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 16:37:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:18,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2022-10-17 16:37:18,648 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-10-17 16:37:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:37:18,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:18,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:18,762 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 16:37:19,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:19,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 47 states and 57 transitions. [2022-10-17 16:37:19,036 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-10-17 16:37:19,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:37:19,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:19,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:19,089 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 16:37:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-10-17 16:37:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-10-17 16:37:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:37:19,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:19,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:19,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 50 states and 61 transitions. [2022-10-17 16:37:19,914 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2022-10-17 16:37:19,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:19,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:19,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:20,026 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 16:37:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:20,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-10-17 16:37:20,346 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-10-17 16:37:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:20,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:20,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:20,410 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 16:37:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2022-10-17 16:37:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-10-17 16:37:20,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:20,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:20,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:20,755 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 16:37:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 55 states and 67 transitions. [2022-10-17 16:37:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2022-10-17 16:37:21,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:21,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:21,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 70 transitions. [2022-10-17 16:37:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2022-10-17 16:37:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:37:21,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:21,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:22,151 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:22,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:22,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions. [2022-10-17 16:37:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-10-17 16:37:22,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:37:22,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:22,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:22,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:22,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 61 states and 75 transitions. [2022-10-17 16:37:22,931 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2022-10-17 16:37:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:37:22,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:22,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:23,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:23,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 63 states and 77 transitions. [2022-10-17 16:37:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-10-17 16:37:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:37:23,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:23,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:23,666 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2022-10-17 16:37:24,189 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2022-10-17 16:37:24,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:37:24,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:24,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 66 states and 81 transitions. [2022-10-17 16:37:24,604 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2022-10-17 16:37:24,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:24,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:24,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 68 states and 83 transitions. [2022-10-17 16:37:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2022-10-17 16:37:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:25,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:25,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:25,301 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:25,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:25,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 70 states and 85 transitions. [2022-10-17 16:37:25,681 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 85 transitions. [2022-10-17 16:37:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:25,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:25,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:26,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 72 states and 88 transitions. [2022-10-17 16:37:26,613 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2022-10-17 16:37:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:26,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:26,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2022-10-17 16:37:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2022-10-17 16:37:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:27,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:27,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2022-10-17 16:37:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2022-10-17 16:37:27,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:27,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2022-10-17 16:37:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2022-10-17 16:37:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:28,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:28,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2022-10-17 16:37:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2022-10-17 16:37:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:28,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:28,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:29,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:29,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2022-10-17 16:37:29,296 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2022-10-17 16:37:29,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:29,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:29,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2022-10-17 16:37:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2022-10-17 16:37:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:31,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:31,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:31,366 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 85 states and 103 transitions. [2022-10-17 16:37:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2022-10-17 16:37:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:31,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:31,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:32,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2022-10-17 16:37:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2022-10-17 16:37:32,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:32,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:32,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:32,405 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:32,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 89 states and 108 transitions. [2022-10-17 16:37:32,874 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 108 transitions. [2022-10-17 16:37:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:32,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 90 states and 109 transitions. [2022-10-17 16:37:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 109 transitions. [2022-10-17 16:37:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:37:33,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:33,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2022-10-17 16:37:34,201 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2022-10-17 16:37:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:37:34,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:34,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:34,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2022-10-17 16:37:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2022-10-17 16:37:34,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:37:34,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:34,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:35,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 96 states and 116 transitions. [2022-10-17 16:37:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 116 transitions. [2022-10-17 16:37:35,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:37:35,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:35,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:36,078 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 98 states and 118 transitions. [2022-10-17 16:37:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 118 transitions. [2022-10-17 16:37:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:37:36,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:36,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 100 states and 120 transitions. [2022-10-17 16:37:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 120 transitions. [2022-10-17 16:37:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:37:37,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:37,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:37,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:37,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 102 states and 123 transitions. [2022-10-17 16:37:37,705 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 123 transitions. [2022-10-17 16:37:37,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:37:37,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:37,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 104 states and 125 transitions. [2022-10-17 16:37:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2022-10-17 16:37:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:37:38,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:38,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:38,368 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:38,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:38,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 105 states and 126 transitions. [2022-10-17 16:37:38,821 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 126 transitions. [2022-10-17 16:37:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:37:38,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:38,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:39,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 107 states and 128 transitions. [2022-10-17 16:37:39,774 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2022-10-17 16:37:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:37:39,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:39,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:40,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2022-10-17 16:37:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2022-10-17 16:37:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:37:40,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:40,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:40,927 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 111 states and 133 transitions. [2022-10-17 16:37:41,930 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 133 transitions. [2022-10-17 16:37:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:37:41,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:41,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.