./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_14-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_14-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5a3d22d49117f02662b197492bc1b16616a2878 ............................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:48,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:48,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:48,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:48,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:48,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:48,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:48,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:48,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:48,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:48,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:48,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:48,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:48,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:48,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:48,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:48,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:48,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:48,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:48,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:48,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:48,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:48,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:48,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:48,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:48,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:48,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:48,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:48,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:48,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:48,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:48,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:48,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:48,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:48,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:48,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:48,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:48,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:48,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:48,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:48,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:48,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:21:48,780 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:48,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:48,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:48,781 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:48,781 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:48,781 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:48,781 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:48,781 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:48,782 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:48,782 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:48,782 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:48,782 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:48,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:21:48,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:21:48,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:48,793 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:48,793 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:21:48,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:48,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:48,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:48,794 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:21:48,794 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:21:48,794 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:21:48,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:48,795 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:48,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:48,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:48,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:48,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:48,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:48,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:48,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:48,796 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:48,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:48,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:48,796 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> c5a3d22d49117f02662b197492bc1b16616a2878 [2019-10-22 11:21:48,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:48,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:48,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:48,845 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:48,846 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:48,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/../../sv-benchmarks/c/locks/test_locks_14-1.c [2019-10-22 11:21:48,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/data/851805cd0/d33ba5bd416f46e5b3c4487520758613/FLAG4dfb05637 [2019-10-22 11:21:49,294 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:49,295 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/sv-benchmarks/c/locks/test_locks_14-1.c [2019-10-22 11:21:49,302 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/data/851805cd0/d33ba5bd416f46e5b3c4487520758613/FLAG4dfb05637 [2019-10-22 11:21:49,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/data/851805cd0/d33ba5bd416f46e5b3c4487520758613 [2019-10-22 11:21:49,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:49,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:49,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:49,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:49,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:49,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7865086a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49, skipping insertion in model container [2019-10-22 11:21:49,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,332 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:49,353 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:49,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:49,557 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:49,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:49,685 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:49,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49 WrapperNode [2019-10-22 11:21:49,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:49,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:49,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:49,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:49,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:49,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:49,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:49,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:49,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (1/1) ... [2019-10-22 11:21:49,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:49,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:49,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:49,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:49,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-10-22 11:21:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:50,207 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:50,207 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 11:21:50,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:50 BoogieIcfgContainer [2019-10-22 11:21:50,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:50,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:50,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:50,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:50,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:49" (1/3) ... [2019-10-22 11:21:50,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7b3b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:50, skipping insertion in model container [2019-10-22 11:21:50,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:49" (2/3) ... [2019-10-22 11:21:50,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7b3b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:50, skipping insertion in model container [2019-10-22 11:21:50,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:50" (3/3) ... [2019-10-22 11:21:50,216 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_14-1.c [2019-10-22 11:21:50,225 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:50,232 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 11:21:50,243 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 11:21:50,261 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:50,261 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:21:50,261 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:50,262 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:50,262 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:50,262 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:50,262 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:50,262 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:50,276 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2019-10-22 11:21:50,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:50,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:50 BoogieIcfgContainer [2019-10-22 11:21:50,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:50,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:50,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:50,288 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:50,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:50" (3/4) ... [2019-10-22 11:21:50,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:50,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 11:21:50,305 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:50,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f76a03cb-30f7-4bb2-9c0e-b0bf9b6ff329/bin/utaipan/witness.graphml [2019-10-22 11:21:50,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:50,368 INFO L168 Benchmark]: Toolchain (without parser) took 1051.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:50,368 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:50,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -209.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:50,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:50,369 INFO L168 Benchmark]: Boogie Preprocessor took 41.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:50,369 INFO L168 Benchmark]: RCFGBuilder took 437.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:50,370 INFO L168 Benchmark]: TraceAbstraction took 77.85 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:50,371 INFO L168 Benchmark]: Witness Printer took 78.73 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:50,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -209.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 437.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 77.85 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 78.73 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, traceCheckStatistics: No data available, 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...