./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/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_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 869ef2ac3e655b6efbdfa5c05d637a0f622008da83d6042d15962fe695aee939 --- 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 17:07:15,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:07:15,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:07:15,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:07:15,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:07:15,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:07:15,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:07:15,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:07:15,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:07:15,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:07:15,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:07:15,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:07:15,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:07:15,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:07:15,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:07:15,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:07:15,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:07:15,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:07:15,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:07:15,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:07:15,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:07:15,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:07:15,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:07:15,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:07:15,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:07:15,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:07:15,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:07:15,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:07:15,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:07:15,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:07:15,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:07:15,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:07:15,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:07:15,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:07:15,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:07:15,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:07:15,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:07:15,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:07:15,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:07:15,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:07:15,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:07:15,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:07:15,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:07:15,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:07:15,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:07:15,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:07:15,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:07:15,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:07:15,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:07:15,755 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:07:15,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:07:15,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:07:15,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:07:15,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:07:15,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:07:15,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:07:15,757 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:07:15,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:07:15,758 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:07:15,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:07:15,758 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:07:15,758 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:07:15,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:07:15,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:15,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:07:15,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:07:15,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:07:15,760 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:07:15,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:07:15,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:07:15,761 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_a951fe3d-8912-452b-987a-2b65dc960a7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 869ef2ac3e655b6efbdfa5c05d637a0f622008da83d6042d15962fe695aee939 [2022-10-17 17:07:16,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:07:16,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:07:16,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:07:16,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:07:16,076 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:07:16,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2022-10-17 17:07:16,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/data/82dd6111b/d0d1885bf805468a8bf31acba5178176/FLAG78a9e60a8 [2022-10-17 17:07:16,672 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:16,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2022-10-17 17:07:16,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/data/82dd6111b/d0d1885bf805468a8bf31acba5178176/FLAG78a9e60a8 [2022-10-17 17:07:16,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/data/82dd6111b/d0d1885bf805468a8bf31acba5178176 [2022-10-17 17:07:16,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:16,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:16,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:16,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:16,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:16,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:16" (1/1) ... [2022-10-17 17:07:16,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e77db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:16, skipping insertion in model container [2022-10-17 17:07:16,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:16" (1/1) ... [2022-10-17 17:07:16,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:17,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:17,572 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_a951fe3d-8912-452b-987a-2b65dc960a7e/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25842,25855] [2022-10-17 17:07:17,577 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_a951fe3d-8912-452b-987a-2b65dc960a7e/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25967,25980] [2022-10-17 17:07:17,579 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_a951fe3d-8912-452b-987a-2b65dc960a7e/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[26082,26095] [2022-10-17 17:07:17,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:17,599 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:17,657 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_a951fe3d-8912-452b-987a-2b65dc960a7e/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25842,25855] [2022-10-17 17:07:17,658 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_a951fe3d-8912-452b-987a-2b65dc960a7e/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25967,25980] [2022-10-17 17:07:17,659 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_a951fe3d-8912-452b-987a-2b65dc960a7e/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[26082,26095] [2022-10-17 17:07:17,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:17,703 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:17,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17 WrapperNode [2022-10-17 17:07:17,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:17,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:17,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:17,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:17,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,797 INFO L138 Inliner]: procedures = 139, calls = 57, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 129 [2022-10-17 17:07:17,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:17,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:17,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:17,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:17,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:17,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:17,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:17,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:17,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:17" (1/1) ... [2022-10-17 17:07:17,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:17,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:17,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:17,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-10-17 17:07:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-10-17 17:07:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 17:07:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 17:07:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:07:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 17:07:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 17:07:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:07:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:07:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2022-10-17 17:07:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2022-10-17 17:07:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:07:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:07:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:07:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:07:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2022-10-17 17:07:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2022-10-17 17:07:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:18,080 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:18,083 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:07:18,475 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:07:18,647 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:07:18,647 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:07:18,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:18 BoogieIcfgContainer [2022-10-17 17:07:18,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:07:18,651 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:07:18,651 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:07:18,675 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:07:18,675 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:18" (1/1) ... [2022-10-17 17:07:18,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:07:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-10-17 17:07:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-10-17 17:07:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:07:18,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:18,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:07:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2022-10-17 17:07:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2022-10-17 17:07:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:07:19,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:19,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:07:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:20,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 80 transitions. [2022-10-17 17:07:20,055 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2022-10-17 17:07:20,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:07:20,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:20,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:07:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:20,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 72 transitions. [2022-10-17 17:07:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-10-17 17:07:20,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:07:20,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:20,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:07:20,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 73 transitions. [2022-10-17 17:07:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-10-17 17:07:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:07:20,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:07:22,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 66 states and 86 transitions. [2022-10-17 17:07:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2022-10-17 17:07:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:07:22,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:22,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:22,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:07:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:22,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:07:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:22,469 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-10-17 17:07:22,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:07:22 ImpRootNode [2022-10-17 17:07:22,545 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:07:22,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:07:22,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:07:22,546 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:07:22,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:18" (3/4) ... [2022-10-17 17:07:22,556 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:07:22,669 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:07:22,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:07:22,672 INFO L158 Benchmark]: Toolchain (without parser) took 5693.99ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 69.7MB in the beginning and 61.1MB in the end (delta: 8.6MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-10-17 17:07:22,672 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory was 88.4MB in the beginning and 88.2MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:22,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.98ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 73.8MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:07:22,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.03ms. Allocated memory is still 111.1MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:22,675 INFO L158 Benchmark]: Boogie Preprocessor took 57.40ms. Allocated memory is still 111.1MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:22,675 INFO L158 Benchmark]: RCFGBuilder took 793.20ms. Allocated memory is still 111.1MB. Free memory was 69.2MB in the beginning and 41.0MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-10-17 17:07:22,676 INFO L158 Benchmark]: CodeCheck took 3894.77ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 41.0MB in the beginning and 65.3MB in the end (delta: -24.3MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2022-10-17 17:07:22,676 INFO L158 Benchmark]: Witness Printer took 124.04ms. Allocated memory is still 134.2MB. Free memory was 65.3MB in the beginning and 61.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:07:22,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 49 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 289 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 329 IncrementalHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 227 mSDtfsCounter, 329 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1049 GetRequests, 992 SyntacticMatches, 15 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 37/45 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 669]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L665] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L692] CALL foo() [L681] FCALL ldv_initialize() [L682] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={3:0}] [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L682] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [ldv_successful_malloc(sizeof(struct mutex))={-1:0}, mutexes={3:0}] [L682] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L683] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={3:0}] [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L683] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [ldv_successful_malloc(sizeof(struct mutex))={-2:0}, m1={-1:0}, mutexes={3:0}] [L683] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L684] CALL mutex_lock(m1) VAL [mutexes={3:0}] [L669] CALL ldv_is_in_set(m, &mutexes) VAL [e={-1:0}, mutexes={3:0}, s={3:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={3:0}, e={-1:0}, e={-1:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L655] COND FALSE !(&m->list != (s)) [L660] return 0; VAL [\result=0, __mptr={3:0}, e={-1:0}, e={-1:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L669] RET ldv_is_in_set(m, &mutexes) VAL [ldv_is_in_set(m, &mutexes)=0, m={-1:0}, m={-1:0}, mutexes={3:0}] [L669] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L670] CALL ldv_set_add(m, &mutexes) [L636] CALL, EXPR ldv_is_in_set(new, s) VAL [e={-1:0}, mutexes={3:0}, s={3:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={3:0}, e={-1:0}, e={-1:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L655] COND FALSE !(&m->list != (s)) [L660] return 0; VAL [\result=0, __mptr={3:0}, e={-1:0}, e={-1:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L636] RET, EXPR ldv_is_in_set(new, s) VAL [ldv_is_in_set(new, s)=0, mutexes={3:0}, new={-1:0}, new={-1:0}, s={3:0}, s={3:0}] [L636] COND TRUE !ldv_is_in_set(new, s) [L637] struct ldv_list_element *le; VAL [mutexes={3:0}, new={-1:0}, new={-1:0}, s={3:0}, s={3:0}] [L638] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [mutexes={3:0}] [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L638] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [ldv_successful_malloc(sizeof(struct ldv_list_element))={-3:0}, mutexes={3:0}, new={-1:0}, new={-1:0}, s={3:0}, s={3:0}] [L638] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L639] le->e = new [L640] CALL ldv_list_add(&le->list, s) [L608] EXPR head->next VAL [head={3:0}, head={3:0}, head->next={3:0}, mutexes={3:0}, new={-3:4}, new={-3:4}] [L608] CALL __ldv_list_add(new, head, head->next) VAL [mutexes={3:0}, new={-3:4}, next={3:0}, prev={3:0}] [L596] next->prev = new [L597] new->next = next [L598] new->prev = prev [L599] prev->next = new [L608] RET __ldv_list_add(new, head, head->next) VAL [head={3:0}, head={3:0}, head->next={3:0}, mutexes={3:0}, new={-3:4}, new={-3:4}] [L640] RET ldv_list_add(&le->list, s) [L670] RET ldv_set_add(m, &mutexes) [L684] RET mutex_lock(m1) VAL [m1={-1:0}, m2={-2:0}, mutexes={3:0}] [L685] CALL mutex_lock(m1) VAL [mutexes={3:0}] [L669] CALL ldv_is_in_set(m, &mutexes) VAL [e={-1:0}, mutexes={3:0}, s={3:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={-3:4}, e={-1:0}, e={-1:0}, m={-3:0}, mutexes={3:0}, s={3:0}, s={3:0}] [L655] COND TRUE &m->list != (s) [L656] EXPR m->e VAL [__mptr={-3:4}, e={-1:0}, e={-1:0}, m={-3:0}, m->e={-1:0}, mutexes={3:0}, s={3:0}, s={3:0}] [L656] COND TRUE m->e == e [L657] return 1; VAL [\result=1, __mptr={-3:4}, e={-1:0}, e={-1:0}, m={-3:0}, mutexes={3:0}, s={3:0}, s={3:0}] [L669] RET ldv_is_in_set(m, &mutexes) VAL [ldv_is_in_set(m, &mutexes)=1, m={-1:0}, m={-1:0}, mutexes={3:0}] [L669] COND TRUE ldv_is_in_set(m, &mutexes) [L669] reach_error() VAL [m={-1:0}, m={-1:0}, mutexes={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory was 88.4MB in the beginning and 88.2MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.98ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 73.8MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.03ms. Allocated memory is still 111.1MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.40ms. Allocated memory is still 111.1MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 793.20ms. Allocated memory is still 111.1MB. Free memory was 69.2MB in the beginning and 41.0MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 3894.77ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 41.0MB in the beginning and 65.3MB in the end (delta: -24.3MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 124.04ms. Allocated memory is still 134.2MB. Free memory was 65.3MB in the beginning and 61.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:07:22,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a951fe3d-8912-452b-987a-2b65dc960a7e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE