./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84f62959dc20df3dcecaea8b03619fc02cb1358b ............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:38:19,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:38:19,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:38:19,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:38:19,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:38:19,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:38:19,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:38:19,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:38:19,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:38:19,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:38:19,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:38:19,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:38:19,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:38:19,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:38:19,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:38:19,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:38:19,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:38:19,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:38:19,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:38:19,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:38:19,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:38:19,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:38:19,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:38:19,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:38:19,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:38:19,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:38:19,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:38:19,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:38:19,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:38:19,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:38:19,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:38:19,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:38:19,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:38:19,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:38:19,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:38:19,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:38:19,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:38:19,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:38:19,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:38:19,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:38:19,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:38:19,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 22:38:19,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:38:19,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:38:19,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 22:38:19,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 22:38:19,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:38:19,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:38:19,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:38:19,824 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:38:19,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:38:19,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:38:19,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:38:19,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:38:19,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:38:19,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:38:19,827 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:38:19,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:38:19,827 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:38:19,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:38:19,828 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 22:38:19,828 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 22:38:19,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:38:19,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:38:19,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:38:19,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:38:19,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:38:19,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:38:19,830 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 22:38:19,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:38:19,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:38:19,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84f62959dc20df3dcecaea8b03619fc02cb1358b [2020-11-29 22:38:20,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:38:20,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:38:20,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:38:20,213 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:38:20,215 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:38:20,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2020-11-29 22:38:20,315 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/data/b748ba572/769a9ef6593c4c1e94b9a46f88f6aa24/FLAG71ed1ff38 [2020-11-29 22:38:21,042 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:38:21,043 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2020-11-29 22:38:21,061 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/data/b748ba572/769a9ef6593c4c1e94b9a46f88f6aa24/FLAG71ed1ff38 [2020-11-29 22:38:21,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/data/b748ba572/769a9ef6593c4c1e94b9a46f88f6aa24 [2020-11-29 22:38:21,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:38:21,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:38:21,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:38:21,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:38:21,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:38:21,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:38:21" (1/1) ... [2020-11-29 22:38:21,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14368f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:21, skipping insertion in model container [2020-11-29 22:38:21,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:38:21" (1/1) ... [2020-11-29 22:38:21,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:38:21,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:38:21,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:38:21,824 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:38:21,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:38:22,017 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:38:22,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22 WrapperNode [2020-11-29 22:38:22,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:38:22,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:38:22,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:38:22,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:38:22,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22" (1/1) ... [2020-11-29 22:38:22,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22" (1/1) ... [2020-11-29 22:38:22,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:38:22,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:38:22,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:38:22,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:38:22,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22" (1/1) ... [2020-11-29 22:38:22,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22" (1/1) ... [2020-11-29 22:38:22,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22" (1/1) ... [2020-11-29 22:38:22,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22" (1/1) ... [2020-11-29 22:38:22,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22" (1/1) ... [2020-11-29 22:38:22,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22" (1/1) ... [2020-11-29 22:38:22,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22" (1/1) ... [2020-11-29 22:38:22,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:38:22,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:38:22,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:38:22,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:38:22,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:38:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:38:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-29 22:38:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-29 22:38:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-29 22:38:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-29 22:38:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-11-29 22:38:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-11-29 22:38:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 22:38:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-11-29 22:38:22,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-11-29 22:38:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 22:38:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:38:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-11-29 22:38:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-11-29 22:38:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 22:38:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:38:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 22:38:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:38:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-11-29 22:38:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-11-29 22:38:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:38:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:38:23,350 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:38:23,351 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-11-29 22:38:23,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:38:23 BoogieIcfgContainer [2020-11-29 22:38:23,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:38:23,354 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 22:38:23,355 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 22:38:23,369 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 22:38:23,369 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:38:23" (1/1) ... [2020-11-29 22:38:23,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:38:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2020-11-29 22:38:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2020-11-29 22:38:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:38:23,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:38:23,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2020-11-29 22:38:23,892 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2020-11-29 22:38:23,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 22:38:23,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:24,248 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2020-11-29 22:38:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:38:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 80 transitions. [2020-11-29 22:38:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2020-11-29 22:38:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:38:24,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:38:25,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 75 transitions. [2020-11-29 22:38:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-29 22:38:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 22:38:25,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:38:25,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 59 states and 76 transitions. [2020-11-29 22:38:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-11-29 22:38:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:38:25,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:38:26,233 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 22:38:27,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:38:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 67 states and 90 transitions. [2020-11-29 22:38:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2020-11-29 22:38:27,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:38:27,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:38:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:38:27,493 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:38:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:38:27,543 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:38:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:38:27,840 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:38:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:38:27,911 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:38:28,019 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2020-11-29 22:38:28,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 10:38:28 ImpRootNode [2020-11-29 22:38:28,134 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 22:38:28,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:38:28,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:38:28,135 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:38:28,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:38:23" (3/4) ... [2020-11-29 22:38:28,137 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 22:38:28,248 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7da960d8-ec15-4482-854a-a76bf8455299/bin/ukojak/witness.graphml [2020-11-29 22:38:28,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:38:28,254 INFO L168 Benchmark]: Toolchain (without parser) took 6945.06 ms. Allocated memory was 77.6 MB in the beginning and 115.3 MB in the end (delta: 37.7 MB). Free memory was 44.9 MB in the beginning and 34.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:28,260 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 36.8 MB in the beginning and 36.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:38:28,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.99 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 44.6 MB in the beginning and 52.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:28,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.72 ms. Allocated memory is still 94.4 MB. Free memory was 52.9 MB in the beginning and 50.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:28,262 INFO L168 Benchmark]: Boogie Preprocessor took 42.46 ms. Allocated memory is still 94.4 MB. Free memory was 50.8 MB in the beginning and 48.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:28,263 INFO L168 Benchmark]: RCFGBuilder took 1197.80 ms. Allocated memory is still 94.4 MB. Free memory was 48.7 MB in the beginning and 37.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:28,263 INFO L168 Benchmark]: CodeCheck took 4779.64 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 37.4 MB in the beginning and 39.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:28,264 INFO L168 Benchmark]: Witness Printer took 117.65 ms. Allocated memory is still 115.3 MB. Free memory was 39.9 MB in the beginning and 34.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:28,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.6s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 932 SDtfs, 320 SDslu, 240 SDs, 0 SdLazy, 954 SolverSat, 230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1139 GetRequests, 1079 SyntacticMatches, 14 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 29332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 38/45 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 562]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L665] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L682] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={7:0}] [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) [L578] return ptr; [L682] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={7:0}] [L682] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L683] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={7:0}] [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) [L578] return ptr; [L683] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={7:0}] [L683] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L684] CALL mutex_lock(m1) VAL [mutexes={7:0}] [L669] CALL ldv_is_in_set(m, &mutexes) VAL [e={1:0}, mutexes={7:0}, s={7:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={7:0}, e={1:0}, e={1:0}, m={7:-4}, mutexes={7:0}, s={7:0}, s={7:0}] [L655] COND FALSE !(&m->list != (s)) [L660] return 0; VAL [\result=0, __mptr={7:0}, e={1:0}, e={1:0}, m={7:-4}, mutexes={7:0}, s={7:0}, s={7:0}] [L669] RET ldv_is_in_set(m, &mutexes) VAL [mutexes={7:0}] [L669] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L636] CALL, EXPR ldv_is_in_set(new, s) VAL [e={1:0}, mutexes={7:0}, s={7:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={7:0}, e={1:0}, e={1:0}, m={7:-4}, mutexes={7:0}, s={7:0}, s={7:0}] [L655] COND FALSE !(&m->list != (s)) [L660] return 0; VAL [\result=0, __mptr={7:0}, e={1:0}, e={1:0}, m={7:-4}, mutexes={7:0}, s={7:0}, s={7:0}] [L636] RET, EXPR ldv_is_in_set(new, s) VAL [mutexes={7:0}] [L636] COND TRUE !ldv_is_in_set(new, s) [L637] struct ldv_list_element *le; VAL [mutexes={7:0}] [L638] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [mutexes={7:0}] [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) [L578] return ptr; [L638] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [mutexes={7:0}] [L638] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L639] le->e = new [L608] EXPR head->next VAL [mutexes={7:0}] [L608] CALL __ldv_list_add(new, head, head->next) VAL [mutexes={7:0}, new={3:4}, next={7:0}, prev={7:0}] [L596] next->prev = new [L597] new->next = next [L598] new->prev = prev [L599] prev->next = new [L608] RET __ldv_list_add(new, head, head->next) VAL [mutexes={7:0}] [L684] RET mutex_lock(m1) VAL [mutexes={7:0}] [L685] CALL mutex_lock(m1) VAL [mutexes={7:0}] [L669] CALL ldv_is_in_set(m, &mutexes) VAL [e={1:0}, mutexes={7:0}, s={7:0}] [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={3:4}, e={1:0}, e={1:0}, m={3:0}, mutexes={7:0}, s={7:0}, s={7:0}] [L655] COND TRUE &m->list != (s) [L656] EXPR m->e VAL [__mptr={3:4}, e={1:0}, e={1:0}, m={3:0}, m->e={1:0}, mutexes={7:0}, s={7:0}, s={7:0}] [L656] COND TRUE m->e == e [L657] return 1; VAL [\result=1, __mptr={3:4}, e={1:0}, e={1:0}, m={3:0}, mutexes={7:0}, s={7:0}, s={7:0}] [L669] RET ldv_is_in_set(m, &mutexes) VAL [mutexes={7:0}] [L669] COND TRUE ldv_is_in_set(m, &mutexes) [L669] CALL reach_error() VAL [mutexes={7:0}] [L562] COND FALSE !(0) VAL [mutexes={7:0}] [L562] __assert_fail ("0", "model/ldv.h", 3, __extension__ __PRETTY_FUNCTION__) VAL [mutexes={7:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 36.8 MB in the beginning and 36.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 705.99 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 44.6 MB in the beginning and 52.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.72 ms. Allocated memory is still 94.4 MB. Free memory was 52.9 MB in the beginning and 50.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.46 ms. Allocated memory is still 94.4 MB. Free memory was 50.8 MB in the beginning and 48.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1197.80 ms. Allocated memory is still 94.4 MB. Free memory was 48.7 MB in the beginning and 37.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. * CodeCheck took 4779.64 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 37.4 MB in the beginning and 39.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * Witness Printer took 117.65 ms. Allocated memory is still 115.3 MB. Free memory was 39.9 MB in the beginning and 34.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...