./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_update_all.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_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/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_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/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_8233b1e1-df4b-4deb-9513-2e56973a2b06/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 c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 --- 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 16:40:10,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:10,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:10,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:10,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:10,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:10,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:10,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:10,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:10,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:10,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:10,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:10,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:10,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:10,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:10,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:10,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:10,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:10,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:10,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:10,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:10,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:11,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:11,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:11,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:11,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:11,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:11,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:11,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:11,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:11,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:11,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:11,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:11,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:11,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:11,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:11,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:11,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:11,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:11,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:11,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:11,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:40:11,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:11,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:11,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:11,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:11,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:11,062 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:11,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:40:11,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:11,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:11,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:11,064 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:40:11,064 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:40:11,064 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:40:11,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:11,065 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:11,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:11,065 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:11,065 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:11,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:11,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:11,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:11,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:11,067 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:11,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:11,067 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_8233b1e1-df4b-4deb-9513-2e56973a2b06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 [2022-10-17 16:40:11,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:11,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:11,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:11,396 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:11,398 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:11,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2n_update_all.i [2022-10-17 16:40:11,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/data/05629f612/abf301352a684116b70e5c61e507c2cf/FLAGc5557b64c [2022-10-17 16:40:12,000 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:12,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/sv-benchmarks/c/list-simple/dll2n_update_all.i [2022-10-17 16:40:12,021 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/data/05629f612/abf301352a684116b70e5c61e507c2cf/FLAGc5557b64c [2022-10-17 16:40:12,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/data/05629f612/abf301352a684116b70e5c61e507c2cf [2022-10-17 16:40:12,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:12,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:12,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:12,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:12,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:12,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:12,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4195e543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12, skipping insertion in model container [2022-10-17 16:40:12,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:12,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:12,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:12,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2022-10-17 16:40:12,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:12,851 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:12,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2022-10-17 16:40:12,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:12,962 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:12,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12 WrapperNode [2022-10-17 16:40:12,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:12,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:12,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:12,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:12,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,042 INFO L138 Inliner]: procedures = 126, calls = 27, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 117 [2022-10-17 16:40:13,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:13,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:13,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:13,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:13,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,100 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:13,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:13,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:13,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:13,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:12" (1/1) ... [2022-10-17 16:40:13,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:13,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:13,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:13,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8233b1e1-df4b-4deb-9513-2e56973a2b06/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:40:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:40:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:40:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:40:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:40:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:13,387 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:13,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:13,738 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:13,850 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:13,850 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 16:40:13,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:13 BoogieIcfgContainer [2022-10-17 16:40:13,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:13,854 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:13,854 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:13,877 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:13,878 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:13" (1/1) ... [2022-10-17 16:40:13,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:13,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2022-10-17 16:40:13,996 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2022-10-17 16:40:13,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:40:13,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:14,299 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 16:40:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2022-10-17 16:40:14,360 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-10-17 16:40:14,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:40:14,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:14,506 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 16:40:14,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:14,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2022-10-17 16:40:14,585 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2022-10-17 16:40:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:40:14,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:14,657 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 16:40:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2022-10-17 16:40:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2022-10-17 16:40:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:40:14,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:14,716 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 16:40:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2022-10-17 16:40:14,732 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-10-17 16:40:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:40:14,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:14,856 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 16:40:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:14,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-10-17 16:40:14,890 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-10-17 16:40:14,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:40:14,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:14,947 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 16:40:14,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-10-17 16:40:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-10-17 16:40:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:40:14,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:15,064 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 16:40:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2022-10-17 16:40:15,087 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-10-17 16:40:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:40:15,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:15,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:15,151 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 16:40:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2022-10-17 16:40:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-10-17 16:40:15,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:40:15,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:15,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:15,535 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 16:40:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:15,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 58 states and 71 transitions. [2022-10-17 16:40:15,830 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2022-10-17 16:40:15,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:40:15,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:15,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:16,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2022-10-17 16:40:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2022-10-17 16:40:16,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:40:16,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:16,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:18,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2022-10-17 16:40:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2022-10-17 16:40:18,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:40:18,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:18,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:19,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 76 states and 105 transitions. [2022-10-17 16:40:19,192 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2022-10-17 16:40:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:40:19,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:40:20,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2022-10-17 16:40:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2022-10-17 16:40:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:40:20,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:20,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 86 states and 133 transitions. [2022-10-17 16:40:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2022-10-17 16:40:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:40:22,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:22,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:40:23,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:23,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 88 states and 139 transitions. [2022-10-17 16:40:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 139 transitions. [2022-10-17 16:40:23,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:40:23,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:23,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:40:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 146 transitions. [2022-10-17 16:40:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 146 transitions. [2022-10-17 16:40:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:40:23,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:23,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:26,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 184 transitions. [2022-10-17 16:40:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2022-10-17 16:40:26,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:26,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:26,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 115 states and 193 transitions. [2022-10-17 16:40:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2022-10-17 16:40:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:27,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:27,983 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:40:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 118 states and 197 transitions. [2022-10-17 16:40:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2022-10-17 16:40:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:28,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:28,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:40:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 122 states and 207 transitions. [2022-10-17 16:40:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2022-10-17 16:40:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:30,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:30,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2022-10-17 16:40:30,959 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2022-10-17 16:40:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:30,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:30,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:31,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:40:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 129 transitions. [2022-10-17 16:40:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 129 transitions. [2022-10-17 16:40:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:40:35,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:35,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:35,879 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:40:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 79 states and 143 transitions. [2022-10-17 16:40:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 143 transitions. [2022-10-17 16:40:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:40:37,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:37,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:38,091 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:40:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 81 states and 147 transitions. [2022-10-17 16:40:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 147 transitions. [2022-10-17 16:40:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:40:38,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:38,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:40,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:40,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 84 states and 155 transitions. [2022-10-17 16:40:40,280 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 155 transitions. [2022-10-17 16:40:40,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:40:40,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:40,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:40:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 88 states and 166 transitions. [2022-10-17 16:40:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2022-10-17 16:40:42,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:40:42,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:42,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat