./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.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_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/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_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/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_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/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 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:04:18,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:04:18,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:04:18,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:04:18,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:04:18,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:04:18,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:04:18,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:04:18,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:04:18,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:04:18,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:04:18,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:04:18,399 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:04:18,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:04:18,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:04:18,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:04:18,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:04:18,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:04:18,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:04:18,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:04:18,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:04:18,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:04:18,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:04:18,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:04:18,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:04:18,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:04:18,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:04:18,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:04:18,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:04:18,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:04:18,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:04:18,409 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:04:18,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:04:18,410 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_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f [2024-11-08 23:04:18,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:04:18,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:04:18,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:04:18,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:04:18,764 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:04:18,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i Unable to find full path for "g++" [2024-11-08 23:04:20,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:04:21,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:04:21,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2024-11-08 23:04:21,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/data/f494bf98c/f4d984aca9ad411fa187ef81a8160c69/FLAG710e42d7a [2024-11-08 23:04:21,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/data/f494bf98c/f4d984aca9ad411fa187ef81a8160c69 [2024-11-08 23:04:21,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:04:21,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:04:21,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:04:21,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:04:21,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:04:21,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439caddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21, skipping insertion in model container [2024-11-08 23:04:21,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:04:21,591 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_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2024-11-08 23:04:21,598 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_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2024-11-08 23:04:21,600 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_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2024-11-08 23:04:21,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:04:21,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:04:21,729 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_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2024-11-08 23:04:21,733 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_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2024-11-08 23:04:21,734 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_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2024-11-08 23:04:21,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:04:21,793 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:04:21,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21 WrapperNode [2024-11-08 23:04:21,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:04:21,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:04:21,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:04:21,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:04:21,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,851 INFO L138 Inliner]: procedures = 142, calls = 63, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 183 [2024-11-08 23:04:21,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:04:21,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:04:21,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:04:21,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:04:21,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:04:21,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:04:21,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:04:21,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:04:21,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:21" (1/1) ... [2024-11-08 23:04:21,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:04:21,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:04:21,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:04:21,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:04:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2024-11-08 23:04:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2024-11-08 23:04:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2024-11-08 23:04:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2024-11-08 23:04:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:04:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:04:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:04:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2024-11-08 23:04:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2024-11-08 23:04:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:04:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:04:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:04:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2024-11-08 23:04:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2024-11-08 23:04:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:04:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2024-11-08 23:04:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2024-11-08 23:04:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:04:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:04:22,188 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:04:22,191 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:04:22,594 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-08 23:04:22,594 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:04:22,759 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:04:22,760 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:04:22,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:22 BoogieIcfgContainer [2024-11-08 23:04:22,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:04:22,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:04:22,763 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:04:22,778 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:04:22,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 65 states and 85 transitions. [2024-11-08 23:04:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2024-11-08 23:04:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:04:22,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:22,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:23,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2024-11-08 23:04:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-08 23:04:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:04:23,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:23,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:23,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2024-11-08 23:04:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2024-11-08 23:04:23,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:04:23,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:23,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:24,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:24,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2024-11-08 23:04:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2024-11-08 23:04:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:04:24,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:24,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:24,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2024-11-08 23:04:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2024-11-08 23:04:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:04:24,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:24,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:26,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 128 transitions. [2024-11-08 23:04:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 128 transitions. [2024-11-08 23:04:26,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:04:26,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:26,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:04:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 87 states and 125 transitions. [2024-11-08 23:04:26,635 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2024-11-08 23:04:26,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:04:26,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:26,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:04:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 91 states and 129 transitions. [2024-11-08 23:04:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2024-11-08 23:04:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 23:04:26,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:26,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 107 states and 168 transitions. [2024-11-08 23:04:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 168 transitions. [2024-11-08 23:04:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:04:40,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:40,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:04:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:42,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 103 states and 157 transitions. [2024-11-08 23:04:42,328 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 157 transitions. [2024-11-08 23:04:42,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 23:04:42,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:42,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:04:43,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:43,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 105 states and 161 transitions. [2024-11-08 23:04:43,743 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2024-11-08 23:04:43,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 23:04:43,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:43,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:05:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 113 states and 178 transitions. [2024-11-08 23:05:02,304 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2024-11-08 23:05:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:05:02,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:02,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:05:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 115 states and 179 transitions. [2024-11-08 23:05:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 179 transitions. [2024-11-08 23:05:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 23:05:02,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:02,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:05:05,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 122 states and 187 transitions. [2024-11-08 23:05:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 187 transitions. [2024-11-08 23:05:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:05:05,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:05,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 23:05:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 98 states and 131 transitions. [2024-11-08 23:05:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2024-11-08 23:05:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 23:05:14,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:14,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:05:14,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:05:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:05:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:05:15,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:05:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:05:15,796 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2024-11-08 23:05:15,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:05:15 ImpRootNode [2024-11-08 23:05:15,857 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:05:15,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:05:15,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:05:15,861 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:05:15,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:22" (3/4) ... [2024-11-08 23:05:15,863 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:05:15,990 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:05:15,990 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:05:15,991 INFO L158 Benchmark]: Toolchain (without parser) took 54943.89ms. Allocated memory was 153.1MB in the beginning and 499.1MB in the end (delta: 346.0MB). Free memory was 118.8MB in the beginning and 330.2MB in the end (delta: -211.4MB). Peak memory consumption was 136.1MB. Max. memory is 16.1GB. [2024-11-08 23:05:15,991 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 153.1MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:05:15,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.34ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 94.8MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:05:15,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.20ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 92.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:05:15,992 INFO L158 Benchmark]: Boogie Preprocessor took 42.22ms. Allocated memory is still 153.1MB. Free memory was 92.1MB in the beginning and 89.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:05:15,992 INFO L158 Benchmark]: RCFGBuilder took 866.63ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 89.5MB in the beginning and 166.1MB in the end (delta: -76.7MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2024-11-08 23:05:15,997 INFO L158 Benchmark]: CodeCheck took 53094.73ms. Allocated memory was 199.2MB in the beginning and 499.1MB in the end (delta: 299.9MB). Free memory was 165.2MB in the beginning and 335.5MB in the end (delta: -170.3MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB. [2024-11-08 23:05:15,997 INFO L158 Benchmark]: Witness Printer took 132.13ms. Allocated memory is still 499.1MB. Free memory was 335.5MB in the beginning and 330.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:05:15,999 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, 65 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 53.0s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1601 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 712 mSDsluCounter, 1384 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 689 mSDsCounter, 863 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3810 IncrementalHoareTripleChecker+Invalid, 4673 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 863 mSolverCounterUnsat, 695 mSDtfsCounter, 3810 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4438 GetRequests, 4087 SyntacticMatches, 111 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21933 ImplicationChecksByTransitivity, 37.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 18.2s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 393 ConstructedInterpolants, 0 QuantifiedInterpolants, 14341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 48/98 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: 681]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L669] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L687] struct ldv_list_head drvlist = { &(drvlist), &(drvlist) }; [L709] CALL foo() [L690] FCALL ldv_initialize() [L691] int i; [L692] int N = __VERIFIER_nondet_int(); [L693] i=0 VAL [N=1, drvlist={4:0}, i=0, mutexes={3:0}] [L693] COND FALSE !(ilist, &drvlist) VAL [\old(head)={4:0}, \old(new)={9:8}, drvlist={4:0}, mutexes={3:0}] [L612] EXPR head->next VAL [\old(head)={4:0}, \old(new)={9:8}, drvlist={4:0}, head={4:0}, mutexes={3:0}, new={9:8}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [\old(new)={9:8}, \old(next)={4:0}, \old(prev)={4:0}, drvlist={4:0}, mutexes={3:0}] [L600] next->prev = new [L601] new->next = next [L602] new->prev = prev [L603] prev->next = new [L612] RET __ldv_list_add(new, head, head->next) VAL [\old(head)={4:0}, \old(new)={9:8}, drvlist={4:0}, head={4:0}, mutexes={3:0}, new={9:8}] [L695] RET ldv_list_add(&me->list, &drvlist) VAL [N=1, drvlist={4:0}, i=0, me={9:0}, mutexes={3:0}] [L693] i++ VAL [N=1, drvlist={4:0}, i=1, mutexes={3:0}] [L693] COND TRUE inext [L698] const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); [L698] { const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); (typeof(*me) *)( (char *)__mptr - ((size_t) &((typeof(*me) *)0)->list) );} [L698] me = ({ const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); (typeof(*me) *)( (char *)__mptr - ((size_t) &((typeof(*me) *)0)->list) );}) [L698] COND FALSE !(&me->list != (&drvlist)) VAL [drvlist={4:0}, me={9:0}, mutexes={3:0}] [L698] COND TRUE &me->list != (&drvlist) [L699] CALL mutex_lock(&me->m) [L673] CALL ldv_is_in_set(m, &mutexes) VAL [\old(e)={9:0}, \old(s)={3:0}, drvlist={4:0}, mutexes={3:0}] [L658] struct ldv_list_element *m; [L659] EXPR (s)->next [L659] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L659] { const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );} [L659] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L659] COND TRUE &m->list != (s) VAL [\old(e)={9:0}, \old(s)={3:0}, drvlist={4:0}, e={9:0}, mutexes={3:0}] [L664] return 0; VAL [\old(e)={9:0}, \old(s)={3:0}, \result=0, drvlist={4:0}, e={9:0}, mutexes={3:0}] [L673] RET ldv_is_in_set(m, &mutexes) VAL [drvlist={4:0}, m={9:0}, mutexes={3:0}] [L673] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L674] CALL ldv_set_add(m, &mutexes) [L640] CALL, EXPR ldv_is_in_set(new, s) VAL [\old(e)={9:0}, \old(s)={3:0}, drvlist={4:0}, mutexes={3:0}] [L658] struct ldv_list_element *m; [L659] EXPR (s)->next [L659] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L659] { const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );} [L659] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L659] COND TRUE &m->list != (s) VAL [\old(e)={9:0}, \old(s)={3:0}, drvlist={4:0}, e={9:0}, mutexes={3:0}] [L664] return 0; VAL [\old(e)={9:0}, \old(s)={3:0}, \result=0, drvlist={4:0}, e={9:0}, mutexes={3:0}] [L640] RET, EXPR ldv_is_in_set(new, s) VAL [drvlist={4:0}, mutexes={3:0}, new={9:0}, s={3:0}] [L640] COND TRUE !ldv_is_in_set(new, s) [L641] struct ldv_list_element *le; VAL [drvlist={4:0}, mutexes={3:0}, new={9:0}, s={3:0}] [L642] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={4:0}, mutexes={3:0}] [L580] void *ptr = malloc(size); [L581] CALL assume_abort_if_not(ptr!=0) [L569] COND FALSE !(!cond) [L581] RET assume_abort_if_not(ptr!=0) [L582] return ptr; [L642] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={4:0}, mutexes={3:0}, new={9:0}, s={3:0}] [L642] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L643] le->e = new VAL [drvlist={4:0}, le={-1:0}, mutexes={3:0}, s={3:0}] [L644] CALL ldv_list_add(&le->list, s) VAL [\old(head)={3:0}, \old(new)={-1:4}, drvlist={4:0}, mutexes={3:0}] [L612] EXPR head->next VAL [\old(head)={3:0}, \old(new)={-1:4}, drvlist={4:0}, head={3:0}, mutexes={3:0}, new={-1:4}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [\old(new)={-1:4}, \old(next)={3:0}, \old(prev)={3:0}, drvlist={4:0}, mutexes={3:0}] [L600] next->prev = new [L601] new->next = next [L602] new->prev = prev [L603] prev->next = new [L612] RET __ldv_list_add(new, head, head->next) VAL [\old(head)={3:0}, \old(new)={-1:4}, drvlist={4:0}, head={3:0}, mutexes={3:0}, new={-1:4}] [L644] RET ldv_list_add(&le->list, s) VAL [drvlist={4:0}, le={-1:0}, mutexes={3:0}, s={3:0}] [L674] RET ldv_set_add(m, &mutexes) [L699] RET mutex_lock(&me->m) [L700] CALL ldv_list_del(&me->list) VAL [drvlist={4:0}, mutexes={3:0}] [L620] EXPR entry->prev [L620] EXPR entry->next [L620] CALL __ldv_list_del(entry->prev, entry->next) [L607] next->prev = prev [L608] prev->next = next [L620] RET __ldv_list_del(entry->prev, entry->next) [L700] RET ldv_list_del(&me->list) VAL [drvlist={4:0}, me={9:0}, mutexes={3:0}] [L698] EXPR (me)->list.next [L698] const typeof( ((typeof(*(me)) *)0)->list ) *__mptr = ((me)->list.next); [L698] { const typeof( ((typeof(*(me)) *)0)->list ) *__mptr = ((me)->list.next); (typeof(*(me)) *)( (char *)__mptr - ((size_t) &((typeof(*(me)) *)0)->list) );} [L698] me = ({ const typeof( ((typeof(*(me)) *)0)->list ) *__mptr = ((me)->list.next); (typeof(*(me)) *)( (char *)__mptr - ((size_t) &((typeof(*(me)) *)0)->list) );}) [L698] COND TRUE &me->list != (&drvlist) VAL [drvlist={4:0}, mutexes={3:0}] [L702] EXPR (&drvlist)->next [L702] const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); [L702] { const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); (typeof(*me) *)( (char *)__mptr - ((size_t) &((typeof(*me) *)0)->list) );} [L702] me = ({ const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); (typeof(*me) *)( (char *)__mptr - ((size_t) &((typeof(*me) *)0)->list) );}) [L702] COND TRUE &me->list != (&drvlist) VAL [drvlist={4:0}, mutexes={3:0}] [L705] CALL ldv_check_final_state() [L681] CALL, EXPR ldv_set_empty(&mutexes) [L667] CALL, EXPR ldv_list_empty(s) [L624] EXPR head->next [L624] return head->next == head; [L667] RET, EXPR ldv_list_empty(s) [L667] return ldv_list_empty(s); [L681] RET, EXPR ldv_set_empty(&mutexes) [L681] COND TRUE !ldv_set_empty(&mutexes) [L681] reach_error() VAL [drvlist={4:0}, mutexes={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 153.1MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.34ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 94.8MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.20ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 92.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.22ms. Allocated memory is still 153.1MB. Free memory was 92.1MB in the beginning and 89.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 866.63ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 89.5MB in the beginning and 166.1MB in the end (delta: -76.7MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * CodeCheck took 53094.73ms. Allocated memory was 199.2MB in the beginning and 499.1MB in the end (delta: 299.9MB). Free memory was 165.2MB in the beginning and 335.5MB in the end (delta: -170.3MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB. * Witness Printer took 132.13ms. Allocated memory is still 499.1MB. Free memory was 335.5MB in the beginning and 330.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:05:16,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c6d954f-f2e8-42b1-b034-04bb3af3a84a/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