./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/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_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 23:24:38,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:24:38,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:24:38,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:24:38,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:24:38,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:24:38,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:24:38,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:24:38,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:24:38,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:24:38,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:24:38,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:24:38,818 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:24:38,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:24:38,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:24:38,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:24:38,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:24:38,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:24:38,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:24:38,819 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:24:38,819 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:24:38,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:24:38,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:24:38,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:24:38,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:24:38,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:24:38,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:24:38,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:24:38,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:24:38,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:24:38,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:24:38,822 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:24:38,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:24:38,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 23:24:39,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:24:39,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:24:39,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:24:39,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:24:39,201 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:24:39,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i Unable to find full path for "g++" [2024-11-13 23:24:41,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:24:41,430 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:24:41,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2024-11-13 23:24:41,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/data/da1116fb3/9c04253849ee470289fd9410eb0e05fb/FLAGc0a455ea2 [2024-11-13 23:24:41,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/data/da1116fb3/9c04253849ee470289fd9410eb0e05fb [2024-11-13 23:24:41,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:24:41,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:24:41,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:24:41,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:24:41,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:24:41,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:24:41" (1/1) ... [2024-11-13 23:24:41,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fedab7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:41, skipping insertion in model container [2024-11-13 23:24:41,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:24:41" (1/1) ... [2024-11-13 23:24:41,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:24:41,989 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_57cfed65-c9b3-4950-9810-d496deed555e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2024-11-13 23:24:41,994 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_57cfed65-c9b3-4950-9810-d496deed555e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2024-11-13 23:24:41,996 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_57cfed65-c9b3-4950-9810-d496deed555e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2024-11-13 23:24:42,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:24:42,020 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:24:42,114 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_57cfed65-c9b3-4950-9810-d496deed555e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2024-11-13 23:24:42,115 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_57cfed65-c9b3-4950-9810-d496deed555e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2024-11-13 23:24:42,116 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_57cfed65-c9b3-4950-9810-d496deed555e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2024-11-13 23:24:42,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:24:42,164 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:24:42,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42 WrapperNode [2024-11-13 23:24:42,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:24:42,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:24:42,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:24:42,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:24:42,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,221 INFO L138 Inliner]: procedures = 142, calls = 63, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 183 [2024-11-13 23:24:42,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:24:42,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:24:42,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:24:42,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:24:42,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:24:42,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:24:42,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:24:42,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:24:42,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:24:42" (1/1) ... [2024-11-13 23:24:42,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:24:42,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:24:42,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:24:42,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:24:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2024-11-13 23:24:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2024-11-13 23:24:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2024-11-13 23:24:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2024-11-13 23:24:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:24:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:24:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:24:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2024-11-13 23:24:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2024-11-13 23:24:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:24:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:24:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:24:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2024-11-13 23:24:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2024-11-13 23:24:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:24:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2024-11-13 23:24:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2024-11-13 23:24:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:24:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:24:42,514 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:24:42,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:24:42,889 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-13 23:24:42,889 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:24:43,025 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:24:43,026 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 23:24:43,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:43 BoogieIcfgContainer [2024-11-13 23:24:43,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:24:43,028 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:24:43,029 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:24:43,040 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:24:43,040 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:43" (1/1) ... [2024-11-13 23:24:43,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:24:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2024-11-13 23:24:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2024-11-13 23:24:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:24:43,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:43,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:43,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:24:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 79 transitions. [2024-11-13 23:24:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2024-11-13 23:24:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:24:43,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:43,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:24:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2024-11-13 23:24:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2024-11-13 23:24:44,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:24:44,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:44,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:44,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:24:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2024-11-13 23:24:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2024-11-13 23:24:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:24:44,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:44,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:24:46,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:46,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 102 transitions. [2024-11-13 23:24:46,489 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2024-11-13 23:24:46,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:24:46,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:46,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:24:46,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 74 states and 107 transitions. [2024-11-13 23:24:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2024-11-13 23:24:46,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:24:46,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:46,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:24:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:58,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 84 states and 133 transitions. [2024-11-13 23:24:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2024-11-13 23:24:58,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:24:58,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:58,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:01,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 83 states and 131 transitions. [2024-11-13 23:25:01,585 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2024-11-13 23:25:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:25:01,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:01,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 23:25:03,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 135 transitions. [2024-11-13 23:25:03,011 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2024-11-13 23:25:03,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:25:03,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:03,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:25:20,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 92 states and 151 transitions. [2024-11-13 23:25:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2024-11-13 23:25:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:25:20,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:20,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:25:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:21,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 94 states and 152 transitions. [2024-11-13 23:25:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 152 transitions. [2024-11-13 23:25:21,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 23:25:21,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:21,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:25:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 100 states and 159 transitions. [2024-11-13 23:25:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2024-11-13 23:25:23,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 23:25:23,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:23,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 23:25:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 81 states and 108 transitions. [2024-11-13 23:25:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 108 transitions. [2024-11-13 23:25:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:25:33,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:33,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:33,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:25:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:34,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:25:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:34,704 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2024-11-13 23:25:34,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:25:34 ImpRootNode [2024-11-13 23:25:34,754 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:25:34,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:25:34,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:25:34,755 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:25:34,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:43" (3/4) ... [2024-11-13 23:25:34,757 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:25:34,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:25:34,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:25:34,841 INFO L158 Benchmark]: Toolchain (without parser) took 53373.95ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 117.8MB in the beginning and 473.5MB in the end (delta: -355.8MB). Peak memory consumption was 130.2MB. Max. memory is 16.1GB. [2024-11-13 23:25:34,842 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:34,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.65ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 96.9MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:25:34,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.56ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:34,842 INFO L158 Benchmark]: Boogie Preprocessor took 57.56ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:34,845 INFO L158 Benchmark]: RCFGBuilder took 745.83ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 114.7MB in the end (delta: -22.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:34,846 INFO L158 Benchmark]: CodeCheck took 51725.88ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 114.7MB in the beginning and 477.8MB in the end (delta: -363.1MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. [2024-11-13 23:25:34,846 INFO L158 Benchmark]: Witness Printer took 85.35ms. Allocated memory is still 629.1MB. Free memory was 477.8MB in the beginning and 473.5MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:34,848 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, 55 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 51.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1375 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 434 mSDsluCounter, 1212 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 530 mSDsCounter, 710 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3071 IncrementalHoareTripleChecker+Invalid, 3781 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 710 mSolverCounterUnsat, 682 mSDtfsCounter, 3071 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3788 GetRequests, 3462 SyntacticMatches, 92 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20172 ImplicationChecksByTransitivity, 36.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 13559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 44/90 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 TRUE ilist, &drvlist) VAL [\old(head)={4:0}, \old(new)={5:8}, drvlist={4:0}, mutexes={3:0}] [L612] EXPR head->next VAL [\old(head)={4:0}, \old(new)={5:8}, drvlist={4:0}, head={4:0}, mutexes={3:0}, new={5:8}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [\old(new)={5:8}, \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)={5:8}, drvlist={4:0}, head={4:0}, mutexes={3:0}, new={5:8}] [L695] RET ldv_list_add(&me->list, &drvlist) VAL [N=1, drvlist={4:0}, i=0, me={5:0}, mutexes={3:0}] [L693] i++ VAL [N=1, drvlist={4:0}, i=1, mutexes={3:0}] [L693] COND FALSE !(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 TRUE &me->list != (&drvlist) [L699] CALL mutex_lock(&me->m) [L673] CALL ldv_is_in_set(m, &mutexes) VAL [\old(e)={5:0}, \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 FALSE !(&m->list != (s)) [L664] return 0; VAL [\old(e)={5:0}, \old(s)={3:0}, \result=0, drvlist={4:0}, e={5:0}, mutexes={3:0}] [L673] RET ldv_is_in_set(m, &mutexes) VAL [drvlist={4:0}, m={5:0}, 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)={5:0}, \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 FALSE !(&m->list != (s)) [L664] return 0; VAL [\old(e)={5:0}, \old(s)={3:0}, \result=0, drvlist={4:0}, e={5:0}, mutexes={3:0}] [L640] RET, EXPR ldv_is_in_set(new, s) VAL [drvlist={4:0}, mutexes={3:0}, new={5:0}, 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={5:0}, 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={5:0}, 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={5:0}, 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 FALSE !(&me->list != (&drvlist)) [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 FALSE !(&me->list != (&drvlist)) [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 0.43ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.65ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 96.9MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.56ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.56ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 745.83ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 114.7MB in the end (delta: -22.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * CodeCheck took 51725.88ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 114.7MB in the beginning and 477.8MB in the end (delta: -363.1MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. * Witness Printer took 85.35ms. Allocated memory is still 629.1MB. Free memory was 477.8MB in the beginning and 473.5MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:25:34,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57cfed65-c9b3-4950-9810-d496deed555e/bin/ukojak-verify-EEHR8qb7sm/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