./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_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/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 [2020-11-28 04:39:46,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:46,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:46,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:46,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:46,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:46,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:46,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:46,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:46,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:46,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:46,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:46,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:46,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:46,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:46,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:46,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:46,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:46,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:46,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:46,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:46,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:46,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:46,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:46,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:46,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:46,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:46,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:46,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:46,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:46,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:46,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:46,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:46,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:46,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:46,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:46,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:46,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:46,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:46,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:46,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:46,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:39:47,028 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:47,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:47,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:47,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:47,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:47,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:47,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:47,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:47,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:47,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:47,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:47,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:47,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:47,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:47,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:47,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:47,037 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:47,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:47,038 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:47,038 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:47,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:47,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:47,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:47,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:47,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:47,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:47,039 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:47,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:47,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:47,041 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_e2b80890-170e-45f3-aa51-de5a095b7970/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84f62959dc20df3dcecaea8b03619fc02cb1358b [2020-11-28 04:39:47,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:47,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:47,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:47,370 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:47,371 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:47,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2020-11-28 04:39:47,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/data/1e9656c3e/91f79a6dfd774e98937f587ea384a303/FLAG041dfd9e4 [2020-11-28 04:39:48,081 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:48,081 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2020-11-28 04:39:48,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/data/1e9656c3e/91f79a6dfd774e98937f587ea384a303/FLAG041dfd9e4 [2020-11-28 04:39:48,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/data/1e9656c3e/91f79a6dfd774e98937f587ea384a303 [2020-11-28 04:39:48,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:48,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:48,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:48,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:48,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:48,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:48,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c1ee55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48, skipping insertion in model container [2020-11-28 04:39:48,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:48,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:48,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:48,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:48,839 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:48,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:48,961 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:48,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48 WrapperNode [2020-11-28 04:39:48,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:48,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:48,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:48,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:48,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:48,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:49,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:49,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:49,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:49,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:49,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:49,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:49,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:49,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:49,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:49,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:49,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48" (1/1) ... [2020-11-28 04:39:49,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:49,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:49,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:49,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:49,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/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 [2020-11-28 04:39:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-28 04:39:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-28 04:39:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-28 04:39:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-28 04:39:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-11-28 04:39:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-11-28 04:39:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:39:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-11-28 04:39:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-11-28 04:39:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 04:39:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-11-28 04:39:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-11-28 04:39:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:39:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:39:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 04:39:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-11-28 04:39:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-11-28 04:39:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:49,975 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:49,976 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-11-28 04:39:49,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:49 BoogieIcfgContainer [2020-11-28 04:39:49,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:49,979 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:49,979 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:49,989 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:49,989 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:49" (1/1) ... [2020-11-28 04:39:50,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:50,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:50,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2020-11-28 04:39:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2020-11-28 04:39:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:39:50,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:50,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:50,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2020-11-28 04:39:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2020-11-28 04:39:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:39:50,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:51,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:51,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 80 transitions. [2020-11-28 04:39:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2020-11-28 04:39:51,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:39:51,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:39:51,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:51,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 75 transitions. [2020-11-28 04:39:51,788 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-28 04:39:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:39:51,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:39:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:51,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 59 states and 76 transitions. [2020-11-28 04:39:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-11-28 04:39:51,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:39:51,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:39:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:53,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 67 states and 90 transitions. [2020-11-28 04:39:53,521 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2020-11-28 04:39:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:39:53,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:53,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:53,653 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:53,988 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:54,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:54,190 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2020-11-28 04:39:54,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:39:54 ImpRootNode [2020-11-28 04:39:54,298 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:39:54,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:39:54,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:39:54,299 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:39:54,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:49" (3/4) ... [2020-11-28 04:39:54,322 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:39:54,489 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e2b80890-170e-45f3-aa51-de5a095b7970/bin/ukojak/witness.graphml [2020-11-28 04:39:54,489 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:39:54,493 INFO L168 Benchmark]: Toolchain (without parser) took 6102.00 ms. Allocated memory was 88.1 MB in the beginning and 157.3 MB in the end (delta: 69.2 MB). Free memory was 57.8 MB in the beginning and 118.4 MB in the end (delta: -60.6 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:54,495 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:54,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.01 ms. Allocated memory is still 88.1 MB. Free memory was 57.6 MB in the beginning and 46.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:54,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.55 ms. Allocated memory is still 88.1 MB. Free memory was 46.9 MB in the beginning and 44.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:54,496 INFO L168 Benchmark]: Boogie Preprocessor took 37.43 ms. Allocated memory is still 88.1 MB. Free memory was 44.6 MB in the beginning and 42.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:54,497 INFO L168 Benchmark]: RCFGBuilder took 923.79 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 42.4 MB in the beginning and 65.0 MB in the end (delta: -22.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:54,498 INFO L168 Benchmark]: CodeCheck took 4319.05 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 65.0 MB in the beginning and 122.6 MB in the end (delta: -57.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:54,499 INFO L168 Benchmark]: Witness Printer took 191.02 ms. Allocated memory is still 157.3 MB. Free memory was 122.6 MB in the beginning and 118.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:54,505 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: 4.1s, 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, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1139 GetRequests, 1079 SyntacticMatches, 14 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s 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={15698:0}] [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) [L578] return ptr; [L682] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={15698:0}] [L682] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L683] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={15698:0}] [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) [L578] return ptr; [L683] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={15698:0}] [L683] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L684] CALL mutex_lock(m1) VAL [mutexes={15698:0}] [L669] CALL ldv_is_in_set(m, &mutexes) VAL [e={-2:0}, mutexes={15698:0}, s={15698:0}] [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={15698:0}, e={-2:0}, e={-2:0}, m={15698:-4}, mutexes={15698:0}, s={15698:0}, s={15698:0}] [L655] COND FALSE !(&m->list != (s)) [L660] return 0; VAL [\result=0, __mptr={15698:0}, e={-2:0}, e={-2:0}, m={15698:-4}, mutexes={15698:0}, s={15698:0}, s={15698:0}] [L669] RET ldv_is_in_set(m, &mutexes) VAL [mutexes={15698:0}] [L669] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L636] CALL, EXPR ldv_is_in_set(new, s) VAL [e={-2:0}, mutexes={15698:0}, s={15698:0}] [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={15698:0}, e={-2:0}, e={-2:0}, m={15698:-4}, mutexes={15698:0}, s={15698:0}, s={15698:0}] [L655] COND FALSE !(&m->list != (s)) [L660] return 0; VAL [\result=0, __mptr={15698:0}, e={-2:0}, e={-2:0}, m={15698:-4}, mutexes={15698:0}, s={15698:0}, s={15698:0}] [L636] RET, EXPR ldv_is_in_set(new, s) VAL [mutexes={15698:0}] [L636] COND TRUE !ldv_is_in_set(new, s) [L637] struct ldv_list_element *le; VAL [mutexes={15698:0}] [L638] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [mutexes={15698:0}] [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={15698:0}] [L638] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L639] le->e = new [L608] EXPR head->next VAL [mutexes={15698:0}] [L608] CALL __ldv_list_add(new, head, head->next) VAL [mutexes={15698:0}, new={-1:4}, next={15698:0}, prev={15698:0}] [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={15698:0}] [L684] RET mutex_lock(m1) VAL [mutexes={15698:0}] [L685] CALL mutex_lock(m1) VAL [mutexes={15698:0}] [L669] CALL ldv_is_in_set(m, &mutexes) VAL [e={-2:0}, mutexes={15698:0}, s={15698:0}] [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={-1:4}, e={-2:0}, e={-2:0}, m={-1:0}, mutexes={15698:0}, s={15698:0}, s={15698:0}] [L655] COND TRUE &m->list != (s) [L656] EXPR m->e VAL [__mptr={-1:4}, e={-2:0}, e={-2:0}, m={-1:0}, m->e={-2:0}, mutexes={15698:0}, s={15698:0}, s={15698:0}] [L656] COND TRUE m->e == e [L657] return 1; VAL [\result=1, __mptr={-1:4}, e={-2:0}, e={-2:0}, m={-1:0}, mutexes={15698:0}, s={15698:0}, s={15698:0}] [L669] RET ldv_is_in_set(m, &mutexes) VAL [mutexes={15698:0}] [L669] COND TRUE ldv_is_in_set(m, &mutexes) [L669] CALL reach_error() VAL [mutexes={15698:0}] [L562] COND FALSE !(0) VAL [mutexes={15698:0}] [L562] __assert_fail ("0", "model/ldv.h", 3, __extension__ __PRETTY_FUNCTION__) VAL [mutexes={15698:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 572.01 ms. Allocated memory is still 88.1 MB. Free memory was 57.6 MB in the beginning and 46.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.55 ms. Allocated memory is still 88.1 MB. Free memory was 46.9 MB in the beginning and 44.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.43 ms. Allocated memory is still 88.1 MB. Free memory was 44.6 MB in the beginning and 42.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 923.79 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 42.4 MB in the beginning and 65.0 MB in the end (delta: -22.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * CodeCheck took 4319.05 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 65.0 MB in the beginning and 122.6 MB in the end (delta: -57.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.1 GB. * Witness Printer took 191.02 ms. Allocated memory is still 157.3 MB. Free memory was 122.6 MB in the beginning and 118.4 MB in the end (delta: 4.2 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...