./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad29ac750d7eee43ee0f4c2b7f90b5e7c26b142d .................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-02 20:38:53,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:38:53,324 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:38:53,330 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:38:53,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:38:53,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:38:53,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:38:53,332 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:38:53,333 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:38:53,334 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:38:53,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:38:53,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:38:53,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:38:53,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:38:53,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:38:53,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:38:53,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:38:53,338 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:38:53,338 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:38:53,339 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:38:53,340 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:38:53,340 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:38:53,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:38:53,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:38:53,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:38:53,342 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:38:53,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:38:53,343 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:38:53,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:38:53,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:38:53,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:38:53,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:38:53,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:38:53,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:38:53,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:38:53,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:38:53,346 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 20:38:53,353 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:38:53,353 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:38:53,354 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:38:53,354 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 20:38:53,354 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:38:53,354 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:38:53,355 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:38:53,355 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:38:53,355 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:38:53,355 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:38:53,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:38:53,355 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:38:53,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:38:53,355 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:38:53,355 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:38:53,356 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:38:53,356 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:38:53,356 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:38:53,356 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 20:38:53,356 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 20:38:53,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:38:53,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:38:53,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 20:38:53,357 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:38:53,357 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:38:53,357 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:38:53,357 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 20:38:53,357 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:38:53,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 20:38:53,357 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/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(__VERIFIER_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 -> ad29ac750d7eee43ee0f4c2b7f90b5e7c26b142d [2018-12-02 20:38:53,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:38:53,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:38:53,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:38:53,384 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:38:53,384 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:38:53,385 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock_false-unreach-call_true-termination.i [2018-12-02 20:38:53,418 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/data/17528bc8a/ed8b046031b041cb940a963cfc6d0976/FLAG1ac804656 [2018-12-02 20:38:53,831 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:38:53,832 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/sv-benchmarks/c/ldv-sets/test_mutex_double_lock_false-unreach-call_true-termination.i [2018-12-02 20:38:53,839 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/data/17528bc8a/ed8b046031b041cb940a963cfc6d0976/FLAG1ac804656 [2018-12-02 20:38:53,847 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/data/17528bc8a/ed8b046031b041cb940a963cfc6d0976 [2018-12-02 20:38:53,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:38:53,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:38:53,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:38:53,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:38:53,853 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:38:53,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:38:53" (1/1) ... [2018-12-02 20:38:53,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ad1106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:53, skipping insertion in model container [2018-12-02 20:38:53,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:38:53" (1/1) ... [2018-12-02 20:38:53,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:38:53,879 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:38:54,041 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:38:54,081 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:38:54,112 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:38:54,136 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:38:54,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54 WrapperNode [2018-12-02 20:38:54,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:38:54,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:38:54,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:38:54,137 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:38:54,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54" (1/1) ... [2018-12-02 20:38:54,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54" (1/1) ... [2018-12-02 20:38:54,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:38:54,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:38:54,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:38:54,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:38:54,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54" (1/1) ... [2018-12-02 20:38:54,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54" (1/1) ... [2018-12-02 20:38:54,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54" (1/1) ... [2018-12-02 20:38:54,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54" (1/1) ... [2018-12-02 20:38:54,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54" (1/1) ... [2018-12-02 20:38:54,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54" (1/1) ... [2018-12-02 20:38:54,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54" (1/1) ... [2018-12-02 20:38:54,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:38:54,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:38:54,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:38:54,186 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:38:54,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:38:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/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 [2018-12-02 20:38:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:38:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 20:38:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 20:38:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-12-02 20:38:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-12-02 20:38:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-12-02 20:38:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-12-02 20:38:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 20:38:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2018-12-02 20:38:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2018-12-02 20:38:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 20:38:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:38:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 20:38:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2018-12-02 20:38:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2018-12-02 20:38:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:38:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:38:54,517 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:38:54,517 INFO L280 CfgBuilder]: Removed 26 assue(true) statements. [2018-12-02 20:38:54,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:38:54 BoogieIcfgContainer [2018-12-02 20:38:54,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:38:54,518 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 20:38:54,518 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 20:38:54,524 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 20:38:54,524 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:38:54" (1/1) ... [2018-12-02 20:38:54,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:38:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:38:54,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2018-12-02 20:38:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2018-12-02 20:38:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:38:54,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:38:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:38:54,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 20:38:54,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:38:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2018-12-02 20:38:54,706 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-12-02 20:38:54,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 20:38:54,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:38:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:38:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 20:38:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:38:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 80 transitions. [2018-12-02 20:38:55,020 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2018-12-02 20:38:55,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 20:38:55,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:38:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:38:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 20:38:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:38:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 87 transitions. [2018-12-02 20:38:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2018-12-02 20:38:55,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 20:38:55,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:38:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:38:55,547 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 20:38:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:38:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 76 transitions. [2018-12-02 20:38:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2018-12-02 20:38:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 20:38:55,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:38:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:38:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 20:38:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:38:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 77 transitions. [2018-12-02 20:38:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2018-12-02 20:38:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 20:38:55,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:38:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:38:55,993 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 20:38:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:38:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 90 transitions. [2018-12-02 20:38:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2018-12-02 20:38:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 20:38:56,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:38:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:38:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:38:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:38:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:38:56,582 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2018-12-02 20:38:56,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:38:56 ImpRootNode [2018-12-02 20:38:56,613 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 20:38:56,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:38:56,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:38:56,613 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:38:56,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:38:54" (3/4) ... [2018-12-02 20:38:56,615 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 20:38:56,660 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e31e9963-8a42-44e1-8d5b-ecaff4e35609/bin-2019/ukojak/witness.graphml [2018-12-02 20:38:56,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:38:56,661 INFO L168 Benchmark]: Toolchain (without parser) took 2811.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 951.7 MB in the beginning and 992.1 MB in the end (delta: -40.4 MB). Peak memory consumption was 170.4 MB. Max. memory is 11.5 GB. [2018-12-02 20:38:56,663 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:38:56,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-02 20:38:56,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:38:56,664 INFO L168 Benchmark]: Boogie Preprocessor took 19.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:38:56,664 INFO L168 Benchmark]: RCFGBuilder took 332.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2018-12-02 20:38:56,665 INFO L168 Benchmark]: CodeCheck took 2095.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 992.1 MB in the end (delta: 66.2 MB). Peak memory consumption was 146.5 MB. Max. memory is 11.5 GB. [2018-12-02 20:38:56,665 INFO L168 Benchmark]: Witness Printer took 47.18 ms. Allocated memory is still 1.2 GB. Free memory is still 992.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:38:56,667 INFO L336 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, 63 locations, 3 error locations. UNSAFE Result, 2.0s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1668 SDtfs, 634 SDslu, 464 SDs, 0 SdLazy, 1922 SolverSat, 420 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1267 GetRequests, 1187 SyntacticMatches, 29 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 37287 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 40/53 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 656]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L652] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L669] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [\old(size)=8, mutexes={3:0}] [L563] void *ptr = malloc(size); [L565] return ptr; [L669] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={3:0}] [L669] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L670] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [\old(size)=8, mutexes={3:0}] [L563] void *ptr = malloc(size); [L565] return ptr; [L670] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={3:0}] [L670] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L671] CALL mutex_lock(m1) VAL [mutexes={3:0}] [L656] CALL ldv_is_in_set(m, &mutexes) VAL [e={5:0}, mutexes={3:0}, s={3:0}] [L641] struct ldv_list_element *m; [L642] EXPR (s)->next [L642] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L642] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={3:0}, e={5:0}, e={5:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L642] COND FALSE !(&m->list != (s)) [L647] return 0; VAL [\result=0, __mptr={3:0}, e={5:0}, e={5:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L656] RET ldv_is_in_set(m, &mutexes) VAL [mutexes={3:0}] [L656] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L623] CALL, EXPR ldv_is_in_set(new, s) VAL [e={5:0}, mutexes={3:0}, s={3:0}] [L641] struct ldv_list_element *m; [L642] EXPR (s)->next [L642] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L642] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={3:0}, e={5:0}, e={5:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L642] COND FALSE !(&m->list != (s)) [L647] return 0; VAL [\result=0, __mptr={3:0}, e={5:0}, e={5:0}, m={3:-4}, mutexes={3:0}, s={3:0}, s={3:0}] [L623] RET, EXPR ldv_is_in_set(new, s) VAL [mutexes={3:0}] [L623] COND TRUE !ldv_is_in_set(new, s) [L624] struct ldv_list_element *le; VAL [mutexes={3:0}] [L625] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(size)=12, mutexes={3:0}] [L563] void *ptr = malloc(size); [L565] return ptr; [L625] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [mutexes={3:0}] [L625] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L626] le->e = new [L595] EXPR head->next VAL [mutexes={3:0}] [L595] CALL __ldv_list_add(new, head, head->next) VAL [mutexes={3:0}, new={10:4}, next={3:0}, prev={3:0}] [L583] next->prev = new [L584] new->next = next [L585] new->prev = prev [L586] prev->next = new [L595] RET __ldv_list_add(new, head, head->next) VAL [mutexes={3:0}] [L671] RET mutex_lock(m1) VAL [mutexes={3:0}] [L672] CALL mutex_lock(m1) VAL [mutexes={3:0}] [L656] CALL ldv_is_in_set(m, &mutexes) VAL [e={5:0}, mutexes={3:0}, s={3:0}] [L641] struct ldv_list_element *m; [L642] EXPR (s)->next [L642] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L642] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={10:4}, e={5:0}, e={5:0}, m={10:0}, mutexes={3:0}, s={3:0}, s={3:0}] [L642] COND TRUE &m->list != (s) [L643] EXPR m->e VAL [__mptr={10:4}, e={5:0}, e={5:0}, m={10:0}, m->e={5:0}, mutexes={3:0}, s={3:0}, s={3:0}] [L643] COND TRUE m->e == e [L644] return 1; VAL [\result=1, __mptr={10:4}, e={5:0}, e={5:0}, m={10:0}, mutexes={3:0}, s={3:0}, s={3:0}] [L656] RET ldv_is_in_set(m, &mutexes) VAL [mutexes={3:0}] [L656] COND TRUE ldv_is_in_set(m, &mutexes) [L656] __VERIFIER_error() VAL [mutexes={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 332.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. * CodeCheck took 2095.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 992.1 MB in the end (delta: 66.2 MB). Peak memory consumption was 146.5 MB. Max. memory is 11.5 GB. * Witness Printer took 47.18 ms. Allocated memory is still 1.2 GB. Free memory is still 992.1 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...