./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/dll_of_dll-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_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/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_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/dll_of_dll-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/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_5928358a-c590-45cb-895c-ec4170fed378/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 0e14b8baad7c8f50637b16b3adcb891ef363d7563e7c4e0e74695e7b8e3d1787 --- 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 16:41:41,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:41,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:41,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:41,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:41,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:41,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:41,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:41,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:41,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:41,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:41,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:41,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:41,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:41,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:41,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:41,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:41,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:41,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:41,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:41,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:41,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:41,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:41,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:41,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:41,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:41,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:41,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:41,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:41,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:41,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:41,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:41,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:41,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:41,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:41,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:41,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:41,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:41,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:41,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:41,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:41,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:41:41,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:41,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:41,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:41,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:41,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:41,518 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:41,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:41:41,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:41,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:41,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:41,521 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:41:41,521 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:41:41,521 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:41:41,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:41,522 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:41,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:41,522 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:41,522 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:41,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:41,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:41,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:41,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:41,523 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:41,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:41,533 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_5928358a-c590-45cb-895c-ec4170fed378/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e14b8baad7c8f50637b16b3adcb891ef363d7563e7c4e0e74695e7b8e3d1787 [2022-10-17 16:41:41,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:41,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:41,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:41,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:41,829 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:41,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/heap-manipulation/dll_of_dll-1.i [2022-10-17 16:41:41,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/data/07097180a/7fc6a9d625564c4eafb3e3fbf7313c25/FLAG4c94b8ee0 [2022-10-17 16:41:42,509 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:42,510 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/sv-benchmarks/c/heap-manipulation/dll_of_dll-1.i [2022-10-17 16:41:42,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/data/07097180a/7fc6a9d625564c4eafb3e3fbf7313c25/FLAG4c94b8ee0 [2022-10-17 16:41:42,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/data/07097180a/7fc6a9d625564c4eafb3e3fbf7313c25 [2022-10-17 16:41:42,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:42,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:42,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:42,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:42,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:42,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:42" (1/1) ... [2022-10-17 16:41:42,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5b182f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:42, skipping insertion in model container [2022-10-17 16:41:42,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:42" (1/1) ... [2022-10-17 16:41:42,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:42,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:43,168 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_5928358a-c590-45cb-895c-ec4170fed378/sv-benchmarks/c/heap-manipulation/dll_of_dll-1.i[22634,22647] [2022-10-17 16:41:43,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:43,251 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:43,289 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_5928358a-c590-45cb-895c-ec4170fed378/sv-benchmarks/c/heap-manipulation/dll_of_dll-1.i[22634,22647] [2022-10-17 16:41:43,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:43,369 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:43,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43 WrapperNode [2022-10-17 16:41:43,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:43,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:43,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:43,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:43,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,484 INFO L138 Inliner]: procedures = 140, calls = 94, calls flagged for inlining = 30, calls inlined = 42, statements flattened = 516 [2022-10-17 16:41:43,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:43,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:43,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:43,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:43,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:43,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:43,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:43,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:43,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:43" (1/1) ... [2022-10-17 16:41:43,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:43,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:43,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:43,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5928358a-c590-45cb-895c-ec4170fed378/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:41:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2022-10-17 16:41:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2022-10-17 16:41:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:41:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:41:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 16:41:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 16:41:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:41:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:41:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:41:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2022-10-17 16:41:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2022-10-17 16:41:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2022-10-17 16:41:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2022-10-17 16:41:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:43,892 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:43,895 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:44,969 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:45,082 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:45,083 INFO L300 CfgBuilder]: Removed 64 assume(true) statements. [2022-10-17 16:41:45,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:45 BoogieIcfgContainer [2022-10-17 16:41:45,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:45,087 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:45,088 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:45,098 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:45,098 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:45" (1/1) ... [2022-10-17 16:41:45,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:45,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 342 states and 438 transitions. [2022-10-17 16:41:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 438 transitions. [2022-10-17 16:41:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:41:45,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:45,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:45,531 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 16:41:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 341 states and 437 transitions. [2022-10-17 16:41:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 437 transitions. [2022-10-17 16:41:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:41:45,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:45,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:45,898 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 16:41:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:46,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 345 states and 443 transitions. [2022-10-17 16:41:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 443 transitions. [2022-10-17 16:41:46,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:46,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:46,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:46,118 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 16:41:46,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:46,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 344 states and 442 transitions. [2022-10-17 16:41:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 442 transitions. [2022-10-17 16:41:46,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:46,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:46,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:46,294 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 16:41:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 343 states and 441 transitions. [2022-10-17 16:41:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 441 transitions. [2022-10-17 16:41:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:41:46,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:46,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:46,434 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 16:41:46,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 342 states and 440 transitions. [2022-10-17 16:41:46,452 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 440 transitions. [2022-10-17 16:41:46,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:41:46,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:46,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:46,515 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 16:41:46,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 341 states and 439 transitions. [2022-10-17 16:41:46,533 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 439 transitions. [2022-10-17 16:41:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:46,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:46,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:46,563 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 16:41:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 340 states and 438 transitions. [2022-10-17 16:41:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 438 transitions. [2022-10-17 16:41:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:46,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:46,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:46,670 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 16:41:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:46,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 339 states and 437 transitions. [2022-10-17 16:41:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 437 transitions. [2022-10-17 16:41:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:46,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:46,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:47,218 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 16:41:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 347 states and 449 transitions. [2022-10-17 16:41:48,158 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 449 transitions. [2022-10-17 16:41:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:48,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:48,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:48,638 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 16:41:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 355 states and 460 transitions. [2022-10-17 16:41:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 460 transitions. [2022-10-17 16:41:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:41:50,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:50,613 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 16:41:50,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 356 states and 462 transitions. [2022-10-17 16:41:50,932 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 462 transitions. [2022-10-17 16:41:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:41:50,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:50,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:51,171 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 16:41:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 357 states and 464 transitions. [2022-10-17 16:41:51,752 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 464 transitions. [2022-10-17 16:41:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:41:51,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:52,704 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 16:41:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 367 states and 478 transitions. [2022-10-17 16:41:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 478 transitions. [2022-10-17 16:41:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:41:56,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:56,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:56,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 366 states and 477 transitions. [2022-10-17 16:41:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 477 transitions. [2022-10-17 16:41:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:41:56,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:56,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:56,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:56,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 365 states and 476 transitions. [2022-10-17 16:41:56,841 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 476 transitions. [2022-10-17 16:41:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:41:56,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:56,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:57,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 364 states and 475 transitions. [2022-10-17 16:41:57,459 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 475 transitions. [2022-10-17 16:41:57,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:41:57,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:57,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:57,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:59,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:59,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 369 states and 483 transitions. [2022-10-17 16:41:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 483 transitions. [2022-10-17 16:41:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:41:59,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:59,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:00,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:42:03,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 374 states and 491 transitions. [2022-10-17 16:42:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 491 transitions. [2022-10-17 16:42:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:42:03,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:03,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:42:04,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 375 states and 493 transitions. [2022-10-17 16:42:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 493 transitions. [2022-10-17 16:42:04,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:42:04,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:04,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:42:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 376 states and 495 transitions. [2022-10-17 16:42:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 495 transitions. [2022-10-17 16:42:05,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:42:05,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:42:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 383 states and 506 transitions. [2022-10-17 16:42:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 506 transitions. [2022-10-17 16:42:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:42:10,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:10,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:10,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:42:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:11,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 385 states and 510 transitions. [2022-10-17 16:42:11,054 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 510 transitions. [2022-10-17 16:42:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:42:11,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:11,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:42:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:13,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 388 states and 515 transitions. [2022-10-17 16:42:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 515 transitions. [2022-10-17 16:42:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:42:13,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:13,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.