./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.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_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/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_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/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_a24dca08-6b8e-4de9-91c3-7362886f1d68/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 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 --- 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 16:46:20,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:20,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:20,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:20,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:20,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:20,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:21,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:21,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:21,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:21,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:21,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:21,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:21,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:21,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:21,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:21,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:21,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:21,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:21,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:21,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:21,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:21,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:21,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:21,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:21,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:21,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:21,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:21,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:21,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:21,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:21,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:21,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:21,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:21,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:21,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:21,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:21,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:21,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:21,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:21,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:21,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:46:21,126 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:21,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:21,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:21,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:21,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:21,129 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:21,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:46:21,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:21,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:21,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:21,131 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:46:21,131 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:46:21,132 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:46:21,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:21,132 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:21,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:21,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:21,133 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:21,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:21,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:21,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:21,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:21,134 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:21,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:21,134 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_a24dca08-6b8e-4de9-91c3-7362886f1d68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 [2022-10-17 16:46:21,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:21,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:21,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:21,514 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:21,514 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:21,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2022-10-17 16:46:21,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/data/c2d170b9b/d9d9296a1915433196d94491045aba91/FLAG50ac49bc5 [2022-10-17 16:46:22,159 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:22,159 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2022-10-17 16:46:22,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/data/c2d170b9b/d9d9296a1915433196d94491045aba91/FLAG50ac49bc5 [2022-10-17 16:46:22,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/data/c2d170b9b/d9d9296a1915433196d94491045aba91 [2022-10-17 16:46:22,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:22,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:22,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:22,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:22,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:22,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:22" (1/1) ... [2022-10-17 16:46:22,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314c536d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:22, skipping insertion in model container [2022-10-17 16:46:22,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:22" (1/1) ... [2022-10-17 16:46:22,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:22,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:22,906 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_a24dca08-6b8e-4de9-91c3-7362886f1d68/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2022-10-17 16:46:22,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:22,919 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:22,967 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_a24dca08-6b8e-4de9-91c3-7362886f1d68/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2022-10-17 16:46:22,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:23,013 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:23,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23 WrapperNode [2022-10-17 16:46:23,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:23,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:23,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:23,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:23,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,065 INFO L138 Inliner]: procedures = 126, calls = 35, calls flagged for inlining = 6, calls inlined = 5, statements flattened = 104 [2022-10-17 16:46:23,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:23,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:23,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:23,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:23,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,098 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:23,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:23,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:23,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:23,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:23,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:23,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:23,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24dca08-6b8e-4de9-91c3-7362886f1d68/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:46:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:46:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:46:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:46:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:46:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:46:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:23,404 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:23,407 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:23,809 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:23,860 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:23,860 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:46:23,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:23 BoogieIcfgContainer [2022-10-17 16:46:23,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:23,870 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:23,871 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:23,882 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:23,882 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:23" (1/1) ... [2022-10-17 16:46:23,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:23,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:23,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2022-10-17 16:46:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2022-10-17 16:46:23,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:46:23,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:23,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:24,194 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 16:46:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2022-10-17 16:46:24,229 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-10-17 16:46:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:46:24,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:24,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:24,362 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 16:46:24,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2022-10-17 16:46:24,410 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2022-10-17 16:46:24,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:46:24,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:24,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:24,563 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 16:46:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2022-10-17 16:46:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2022-10-17 16:46:24,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:46:24,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:24,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:24,766 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 16:46:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:24,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2022-10-17 16:46:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2022-10-17 16:46:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:46:24,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:24,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:24,931 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 16:46:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2022-10-17 16:46:25,041 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2022-10-17 16:46:25,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:46:25,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:25,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:25,069 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 16:46:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2022-10-17 16:46:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2022-10-17 16:46:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:46:25,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:25,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:25,149 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 16:46:25,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2022-10-17 16:46:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2022-10-17 16:46:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:46:25,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:25,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:25,226 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 16:46:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2022-10-17 16:46:25,613 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-10-17 16:46:25,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:46:25,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:25,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:25,693 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 16:46:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:26,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2022-10-17 16:46:26,108 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2022-10-17 16:46:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:46:26,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:26,373 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 16:46:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:27,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2022-10-17 16:46:27,245 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2022-10-17 16:46:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:46:27,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:27,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:27,490 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 16:46:28,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 91 states and 118 transitions. [2022-10-17 16:46:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-10-17 16:46:28,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:46:28,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:28,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:28,832 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 16:46:29,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2022-10-17 16:46:29,633 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-10-17 16:46:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:46:29,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:29,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:46:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 111 states and 160 transitions. [2022-10-17 16:46:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2022-10-17 16:46:32,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:46:32,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:32,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:33,498 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 16:46:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 129 states and 204 transitions. [2022-10-17 16:46:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 204 transitions. [2022-10-17 16:46:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:46:37,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:37,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:38,098 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 16:46:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 146 states and 246 transitions. [2022-10-17 16:46:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 246 transitions. [2022-10-17 16:46:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:46:42,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:42,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:42,816 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 16:46:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 151 states and 258 transitions. [2022-10-17 16:46:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 258 transitions. [2022-10-17 16:46:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:46:45,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:45,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:46,046 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 16:46:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 156 states and 274 transitions. [2022-10-17 16:46:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 274 transitions. [2022-10-17 16:46:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:46:50,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:50,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:50,381 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 16:46:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 158 states and 278 transitions. [2022-10-17 16:46:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 278 transitions. [2022-10-17 16:46:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:46:50,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:50,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:51,456 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 16:46:52,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 161 states and 283 transitions. [2022-10-17 16:46:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 283 transitions. [2022-10-17 16:46:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:46:52,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:52,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:52,300 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 16:46:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 162 states and 284 transitions. [2022-10-17 16:46:52,323 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 284 transitions. [2022-10-17 16:46:52,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:46:52,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:52,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:52,471 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 16:46:52,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:52,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 163 states and 285 transitions. [2022-10-17 16:46:52,496 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 285 transitions. [2022-10-17 16:46:52,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:46:52,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:52,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:52,878 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 16:46:53,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 166 states and 291 transitions. [2022-10-17 16:46:53,719 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2022-10-17 16:46:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:46:53,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:53,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.