./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/20051113-1.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_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/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_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/20051113-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/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_211db5ef-3c4d-4d10-95fd-fa013daa2168/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 2a43a02844acf962bfa6f77d0e1512c06ac1cc2fb3c3905e584a292a069b5426 --- 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 16:35:17,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:17,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:17,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:17,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:18,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:18,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:18,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:18,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:18,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:18,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:18,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:18,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:18,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:18,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:18,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:18,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:18,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:18,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:18,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:18,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:18,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:18,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:18,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:18,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:18,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:18,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:18,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:18,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:18,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:18,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:18,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:18,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:18,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:18,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:18,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:18,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:18,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:18,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:18,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:18,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:18,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:35:18,128 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:18,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:18,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:18,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:18,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:18,131 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:35:18,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:35:18,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:18,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:35:18,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:18,133 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:35:18,134 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:35:18,134 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:35:18,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:18,134 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:35:18,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:18,135 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:18,135 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:18,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:18,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:18,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:18,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:18,137 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:18,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:18,137 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_211db5ef-3c4d-4d10-95fd-fa013daa2168/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a43a02844acf962bfa6f77d0e1512c06ac1cc2fb3c3905e584a292a069b5426 [2022-10-17 16:35:18,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:18,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:18,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:18,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:18,541 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:18,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety/20051113-1.i [2022-10-17 16:35:18,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/data/c3b713367/99dd2ad8482640a88f60f6412c897e5a/FLAG9d2c95918 [2022-10-17 16:35:19,259 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:19,260 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/sv-benchmarks/c/memsafety/20051113-1.i [2022-10-17 16:35:19,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/data/c3b713367/99dd2ad8482640a88f60f6412c897e5a/FLAG9d2c95918 [2022-10-17 16:35:19,515 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/data/c3b713367/99dd2ad8482640a88f60f6412c897e5a [2022-10-17 16:35:19,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:19,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:19,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:19,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:19,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:19,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:19" (1/1) ... [2022-10-17 16:35:19,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7630ed7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:19, skipping insertion in model container [2022-10-17 16:35:19,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:19" (1/1) ... [2022-10-17 16:35:19,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:19,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:19,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:20,010 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:20,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:20,120 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:20,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20 WrapperNode [2022-10-17 16:35:20,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:20,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:20,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:20,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:20,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,200 INFO L138 Inliner]: procedures = 125, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2022-10-17 16:35:20,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:20,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:20,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:20,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:20,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,256 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:20,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:20,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:20,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:20,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:20" (1/1) ... [2022-10-17 16:35:20,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:20,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:20,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:20,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_211db5ef-3c4d-4d10-95fd-fa013daa2168/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:35:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:35:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:35:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:35:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:35:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:20,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:20,550 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:20,552 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:20,890 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:35:21,009 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:35:21,010 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:35:21,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:21 BoogieIcfgContainer [2022-10-17 16:35:21,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:35:21,014 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:35:21,014 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:35:21,036 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:35:21,037 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:21" (1/1) ... [2022-10-17 16:35:21,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:35:21,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2022-10-17 16:35:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-10-17 16:35:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:35:21,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:21,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:21,348 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 16:35:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:21,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2022-10-17 16:35:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-10-17 16:35:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:35:21,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:21,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:21,582 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 16:35:21,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2022-10-17 16:35:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-10-17 16:35:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:35:21,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:21,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:21,772 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 16:35:21,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2022-10-17 16:35:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-10-17 16:35:21,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:35:21,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:21,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:22,305 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 16:35:22,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2022-10-17 16:35:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-10-17 16:35:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:35:22,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:22,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:22,942 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 16:35:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2022-10-17 16:35:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-10-17 16:35:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:35:22,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:22,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:23,220 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 16:35:23,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2022-10-17 16:35:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-10-17 16:35:23,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:23,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:23,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:23,374 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 16:35:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:23,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2022-10-17 16:35:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-10-17 16:35:23,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:23,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:23,520 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 16:35:23,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:23,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2022-10-17 16:35:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-10-17 16:35:23,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:35:23,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:23,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:23,585 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 16:35:23,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2022-10-17 16:35:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-10-17 16:35:23,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:35:23,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:23,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:23,779 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 16:35:24,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2022-10-17 16:35:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-10-17 16:35:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:35:24,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:24,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:24,769 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 16:35:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:24,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2022-10-17 16:35:24,804 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-10-17 16:35:24,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:35:24,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:24,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:24,906 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 16:35:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2022-10-17 16:35:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-10-17 16:35:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:35:25,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:25,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:25,228 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 16:35:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:25,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2022-10-17 16:35:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-10-17 16:35:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:35:25,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:25,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:25,509 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 16:35:25,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2022-10-17 16:35:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-10-17 16:35:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:35:25,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:25,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:25,635 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 16:35:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:25,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2022-10-17 16:35:25,652 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-10-17 16:35:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:35:25,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:25,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:25,769 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 16:35:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2022-10-17 16:35:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-10-17 16:35:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:35:25,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:25,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:26,083 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 16:35:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2022-10-17 16:35:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-10-17 16:35:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:35:26,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:26,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:26,326 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 16:35:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:26,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2022-10-17 16:35:26,618 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-10-17 16:35:26,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:35:26,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:26,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:26,645 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 16:35:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2022-10-17 16:35:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-10-17 16:35:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:35:26,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:26,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:26,925 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 16:35:27,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-10-17 16:35:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-10-17 16:35:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:27,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:27,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:27,403 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 16:35:27,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:27,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2022-10-17 16:35:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-10-17 16:35:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:35:27,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:27,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:28,056 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 16:35:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2022-10-17 16:35:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-10-17 16:35:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:29,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:29,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2022-10-17 16:35:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-10-17 16:35:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:35:30,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:30,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:35:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:30,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2022-10-17 16:35:30,554 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-10-17 16:35:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:35:30,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:30,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:31,098 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 16:35:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2022-10-17 16:35:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2022-10-17 16:35:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:35:33,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:33,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:33,589 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 16:35:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2022-10-17 16:35:35,561 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-10-17 16:35:35,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:35:35,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:35,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:35,846 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:35:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:38,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2022-10-17 16:35:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-10-17 16:35:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:35:38,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:38,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:40,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 72 transitions. [2022-10-17 16:35:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-10-17 16:35:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:35:40,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:40,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2022-10-17 16:35:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-10-17 16:35:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:35:42,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:42,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:35:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:44,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2022-10-17 16:35:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2022-10-17 16:35:44,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:35:44,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:44,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:35:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2022-10-17 16:35:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-10-17 16:35:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:35:49,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:49,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:49,381 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:35:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2022-10-17 16:35:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2022-10-17 16:35:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:35:49,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:49,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.