./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/mutex_lock_struct_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/mutex_lock_struct_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/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 5fcaf98e9698415fefa37f25d310a7a516d84123 ........................................................................................................................................................................................................................................................ 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 0.1.23-1dbac8b [2018-11-09 23:39:29,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:39:29,426 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:39:29,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:39:29,434 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:39:29,435 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:39:29,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:39:29,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:39:29,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:39:29,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:39:29,439 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:39:29,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:39:29,439 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:39:29,440 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:39:29,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:39:29,441 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:39:29,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:39:29,443 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:39:29,444 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:39:29,445 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:39:29,446 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:39:29,447 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:39:29,448 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:39:29,449 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:39:29,449 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:39:29,449 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:39:29,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:39:29,451 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:39:29,451 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:39:29,452 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:39:29,452 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:39:29,453 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:39:29,453 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:39:29,453 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:39:29,454 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:39:29,454 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:39:29,454 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 23:39:29,465 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:39:29,465 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:39:29,465 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:39:29,466 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:39:29,466 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:39:29,466 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:39:29,466 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:39:29,466 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:39:29,467 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:39:29,467 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:39:29,467 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:39:29,467 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:39:29,467 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:39:29,467 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:39:29,467 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:39:29,468 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:39:29,468 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:39:29,468 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:39:29,468 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:39:29,468 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:39:29,468 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:39:29,469 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:39:29,469 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:39:29,469 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:39:29,469 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:39:29,469 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 23:39:29,469 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:39:29,469 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:39:29,470 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_61aeba7d-8072-4ca1-9b27-71da50096f90/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 -> 5fcaf98e9698415fefa37f25d310a7a516d84123 [2018-11-09 23:39:29,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:39:29,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:39:29,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:39:29,504 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:39:29,505 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:39:29,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/mutex_lock_struct_true-termination.c_false-unreach-call.i [2018-11-09 23:39:29,542 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/data/9b3777c3a/c268c17a8a724cd48a31ddb8ca1ef420/FLAG0a0d15f41 [2018-11-09 23:39:29,932 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:39:29,933 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/sv-benchmarks/c/ldv-regression/mutex_lock_struct_true-termination.c_false-unreach-call.i [2018-11-09 23:39:29,937 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/data/9b3777c3a/c268c17a8a724cd48a31ddb8ca1ef420/FLAG0a0d15f41 [2018-11-09 23:39:29,945 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/data/9b3777c3a/c268c17a8a724cd48a31ddb8ca1ef420 [2018-11-09 23:39:29,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:39:29,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:39:29,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:39:29,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:39:29,952 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:39:29,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:39:29" (1/1) ... [2018-11-09 23:39:29,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585e7ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:29, skipping insertion in model container [2018-11-09 23:39:29,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:39:29" (1/1) ... [2018-11-09 23:39:29,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:39:29,971 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:39:30,057 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:39:30,063 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:39:30,072 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:39:30,080 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:39:30,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30 WrapperNode [2018-11-09 23:39:30,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:39:30,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:39:30,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:39:30,081 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:39:30,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30" (1/1) ... [2018-11-09 23:39:30,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30" (1/1) ... [2018-11-09 23:39:30,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:39:30,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:39:30,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:39:30,104 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:39:30,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30" (1/1) ... [2018-11-09 23:39:30,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30" (1/1) ... [2018-11-09 23:39:30,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30" (1/1) ... [2018-11-09 23:39:30,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30" (1/1) ... [2018-11-09 23:39:30,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30" (1/1) ... [2018-11-09 23:39:30,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30" (1/1) ... [2018-11-09 23:39:30,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30" (1/1) ... [2018-11-09 23:39:30,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:39:30,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:39:30,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:39:30,116 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:39:30,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/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 [2018-11-09 23:39:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-09 23:39:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure err [2018-11-09 23:39:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2018-11-09 23:39:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-11-09 23:39:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-11-09 23:39:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:39:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:39:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-09 23:39:30,402 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:39:30,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:39:30 BoogieIcfgContainer [2018-11-09 23:39:30,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:39:30,403 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:39:30,403 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:39:30,412 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:39:30,412 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:39:30" (1/1) ... [2018-11-09 23:39:30,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:39:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:39:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-09 23:39:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-09 23:39:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-09 23:39:30,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:39:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:39:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:39:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:39:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 15 transitions. [2018-11-09 23:39:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-09 23:39:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-09 23:39:30,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:39:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:39:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:39:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:39:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:39:30,702 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-09 23:39:30,714 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-09 23:39:30,715 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-09 23:39:30,716 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-09 23:39:30,716 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-09 23:39:30,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:39:30 ImpRootNode [2018-11-09 23:39:30,725 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:39:30,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:39:30,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:39:30,725 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:39:30,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:39:30" (3/4) ... [2018-11-09 23:39:30,728 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-09 23:39:30,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-09 23:39:30,729 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-09 23:39:30,729 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-09 23:39:30,729 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-09 23:39:30,758 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_61aeba7d-8072-4ca1-9b27-71da50096f90/bin-2019/ukojak/witness.graphml [2018-11-09 23:39:30,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:39:30,759 INFO L168 Benchmark]: Toolchain (without parser) took 811.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:30,759 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:39:30,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.05 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:30,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.40 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:39:30,761 INFO L168 Benchmark]: Boogie Preprocessor took 11.83 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:30,761 INFO L168 Benchmark]: RCFGBuilder took 286.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:30,761 INFO L168 Benchmark]: CodeCheck took 322.10 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: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:30,762 INFO L168 Benchmark]: Witness Printer took 32.94 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:30,765 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 3 procedures, 20 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 12 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L33] CALL struct mutex m; [L33] RET struct mutex m; [L34] FCALL m.is_locked = 0 [L36] CALL mutex_lock(&m) VAL [a={5:0}] [L21] EXPR, FCALL a->is_locked VAL [a={5:0}, a={5:0}, a->is_locked=0] [L21] COND FALSE !(a->is_locked == 1) [L22] RET, FCALL a->is_locked = 1 [L36] mutex_lock(&m) [L40] CALL mutex_lock(&m) VAL [a={5:0}] [L21] EXPR, FCALL a->is_locked VAL [a={5:0}, a={5:0}, a->is_locked=1] [L21] COND TRUE a->is_locked == 1 [L21] CALL err() [L13] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 132.05 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.40 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.83 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 286.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 322.10 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: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Witness Printer took 32.94 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled RESULT: Ultimate proved your program to be incorrect! Received shutdown request...