./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/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_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:57:45,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:57:45,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:57:45,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:57:45,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:57:45,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:57:45,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:57:45,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:57:45,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:57:45,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:57:45,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:57:45,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:57:45,235 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:57:45,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:57:45,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:57:45,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:57:45,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:57:45,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:57:45,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:57:45,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:57:45,238 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:57:45,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:57:45,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:57:45,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:57:45,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:57:45,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:57:45,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:57:45,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:45,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:57:45,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:57:45,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:57:45,250 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:57:45,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:57:45,250 INFO L153 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_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 869ef2ac3e655b6efbdfa5c05d637a0f622008da83d6042d15962fe695aee939 [2024-11-08 23:57:45,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:57:45,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:57:45,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:57:45,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:57:45,563 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:57:45,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i Unable to find full path for "g++" [2024-11-08 23:57:47,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:57:47,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:57:47,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2024-11-08 23:57:47,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/data/bd53ff7c7/62c4ce57183d4aa4b14999056da03d53/FLAG98b06c9ff [2024-11-08 23:57:47,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/data/bd53ff7c7/62c4ce57183d4aa4b14999056da03d53 [2024-11-08 23:57:47,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:57:47,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:57:47,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:47,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:57:47,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:57:47,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:47" (1/1) ... [2024-11-08 23:57:47,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5e4255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:47, skipping insertion in model container [2024-11-08 23:57:47,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:47" (1/1) ... [2024-11-08 23:57:48,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:57:48,410 WARN L250 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_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25842,25855] [2024-11-08 23:57:48,415 WARN L250 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_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25967,25980] [2024-11-08 23:57:48,417 WARN L250 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_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[26082,26095] [2024-11-08 23:57:48,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:48,429 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:57:48,480 WARN L250 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_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25842,25855] [2024-11-08 23:57:48,481 WARN L250 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_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[25967,25980] [2024-11-08 23:57:48,482 WARN L250 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_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i[26082,26095] [2024-11-08 23:57:48,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:48,517 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:57:48,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48 WrapperNode [2024-11-08 23:57:48,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:48,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:48,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:57:48,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:57:48,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,565 INFO L138 Inliner]: procedures = 139, calls = 57, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 139 [2024-11-08 23:57:48,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:48,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:57:48,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:57:48,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:57:48,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:57:48,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:57:48,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:57:48,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:57:48,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:48" (1/1) ... [2024-11-08 23:57:48,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:48,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:57:48,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:57:48,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:57:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2024-11-08 23:57:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2024-11-08 23:57:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-08 23:57:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-08 23:57:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:57:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-08 23:57:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-08 23:57:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:57:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:57:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2024-11-08 23:57:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2024-11-08 23:57:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:57:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:57:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:57:48,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:57:48,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2024-11-08 23:57:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2024-11-08 23:57:48,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:57:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:57:48,823 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:57:48,826 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:57:49,201 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-08 23:57:49,201 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:57:49,298 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:57:49,298 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:57:49,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:49 BoogieIcfgContainer [2024-11-08 23:57:49,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:57:49,300 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:57:49,300 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:57:49,311 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:57:49,312 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:49" (1/1) ... [2024-11-08 23:57:49,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:57:49,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:49,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2024-11-08 23:57:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2024-11-08 23:57:49,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:57:49,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:49,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:57:49,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:49,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2024-11-08 23:57:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2024-11-08 23:57:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:57:49,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:49,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:57:50,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 89 transitions. [2024-11-08 23:57:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2024-11-08 23:57:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:57:50,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:50,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:57:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 60 states and 78 transitions. [2024-11-08 23:57:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2024-11-08 23:57:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:57:51,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:51,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 23:57:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 79 transitions. [2024-11-08 23:57:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2024-11-08 23:57:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 23:57:51,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:51,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:57:53,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:53,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 92 transitions. [2024-11-08 23:57:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2024-11-08 23:57:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:57:53,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:53,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:57:53,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:57:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:57:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:57:53,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:57:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:57:53,637 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-08 23:57:53,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:57:53 ImpRootNode [2024-11-08 23:57:53,719 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:57:53,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:57:53,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:57:53,720 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:57:53,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:49" (3/4) ... [2024-11-08 23:57:53,722 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:57:53,791 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:57:53,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:57:53,792 INFO L158 Benchmark]: Toolchain (without parser) took 5813.64ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 96.4MB in the beginning and 64.0MB in the end (delta: 32.5MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2024-11-08 23:57:53,792 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:57:53,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.17ms. Allocated memory is still 134.2MB. Free memory was 96.0MB in the beginning and 73.9MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:57:53,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.14ms. Allocated memory is still 134.2MB. Free memory was 73.9MB in the beginning and 71.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:57:53,794 INFO L158 Benchmark]: Boogie Preprocessor took 38.84ms. Allocated memory is still 134.2MB. Free memory was 71.5MB in the beginning and 69.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:57:53,795 INFO L158 Benchmark]: RCFGBuilder took 693.71ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 69.2MB in the beginning and 142.6MB in the end (delta: -73.4MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-08 23:57:53,795 INFO L158 Benchmark]: CodeCheck took 4419.28ms. Allocated memory is still 188.7MB. Free memory was 142.6MB in the beginning and 68.2MB in the end (delta: 74.4MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2024-11-08 23:57:53,796 INFO L158 Benchmark]: Witness Printer took 71.21ms. Allocated memory is still 188.7MB. Free memory was 68.2MB in the beginning and 64.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:57:53,798 INFO L338 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, 53 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 309 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 341 IncrementalHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 247 mSDtfsCounter, 341 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1120 GetRequests, 1063 SyntacticMatches, 15 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 955 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 39/48 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 [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 [m1={-3:0}, 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 [\old(e)={-3:0}, \old(s)={3:0}, mutexes={3:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] { const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );} [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L655] COND TRUE &m->list != (s) VAL [\old(e)={-3:0}, \old(s)={3:0}, e={-3:0}, mutexes={3:0}] [L660] return 0; VAL [\old(e)={-3:0}, \old(s)={3:0}, \result=0, e={-3:0}, mutexes={3:0}] [L669] RET ldv_is_in_set(m, &mutexes) VAL [\old(m)={-3:0}, m={-3:0}, 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 [\old(e)={-3:0}, \old(s)={3:0}, mutexes={3:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] { const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );} [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L655] COND TRUE &m->list != (s) VAL [\old(e)={-3:0}, \old(s)={3:0}, e={-3:0}, mutexes={3:0}] [L660] return 0; VAL [\old(e)={-3:0}, \old(s)={3:0}, \result=0, e={-3:0}, mutexes={3:0}] [L636] RET, EXPR ldv_is_in_set(new, s) VAL [mutexes={3:0}, new={-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={-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 [mutexes={3:0}, new={-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}, mutexes={3:0}, new={-1:4}] [L608] CALL __ldv_list_add(new, head, head->next) VAL [\old(new)={-1:4}, \old(next)={3:0}, \old(prev)={3:0}, mutexes={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}, mutexes={3:0}, new={-1:4}] [L640] RET ldv_list_add(&le->list, s) [L670] RET ldv_set_add(m, &mutexes) [L684] RET mutex_lock(m1) VAL [m1={-3:0}, m2={-2:0}, mutexes={3:0}] [L685] CALL mutex_lock(m1) VAL [mutexes={3:0}] [L669] CALL ldv_is_in_set(m, &mutexes) VAL [\old(e)={-3:0}, \old(s)={3:0}, mutexes={3:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] { const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );} [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L655] COND FALSE !(&m->list != (s)) VAL [\old(e)={-3:0}, \old(s)={3:0}, e={-3:0}, m={-1:0}, mutexes={3:0}, s={3:0}] [L655] COND TRUE &m->list != (s) [L656] EXPR m->e VAL [\old(e)={-3:0}, \old(s)={3:0}, e={-3:0}, m={-1:0}, mutexes={3:0}, s={3:0}] [L656] COND TRUE m->e == e [L657] return 1; VAL [\old(e)={-3:0}, \old(s)={3:0}, \result=1, m={-1:0}, mutexes={3:0}, s={3:0}] [L669] RET ldv_is_in_set(m, &mutexes) VAL [\old(m)={-3:0}, m={-3:0}, mutexes={3:0}] [L669] COND TRUE ldv_is_in_set(m, &mutexes) [L669] reach_error() VAL [\old(m)={-3:0}, m={-3:0}, mutexes={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.17ms. Allocated memory is still 134.2MB. Free memory was 96.0MB in the beginning and 73.9MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.14ms. Allocated memory is still 134.2MB. Free memory was 73.9MB in the beginning and 71.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.84ms. Allocated memory is still 134.2MB. Free memory was 71.5MB in the beginning and 69.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 693.71ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 69.2MB in the beginning and 142.6MB in the end (delta: -73.4MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * CodeCheck took 4419.28ms. Allocated memory is still 188.7MB. Free memory was 142.6MB in the beginning and 68.2MB in the end (delta: 74.4MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Witness Printer took 71.21ms. Allocated memory is still 188.7MB. Free memory was 68.2MB in the beginning and 64.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:57:53,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd23eae8-7ef2-4f80-8cd2-bbb6b99c182b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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