./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_9.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_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_9.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/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 5107685577f81a5867811396b2c0a05eb5630c95 ............................................................................................................................................................................................................... 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 11:21:03,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:03,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:03,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:03,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:03,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:03,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:03,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:03,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:03,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:03,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:03,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:03,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:03,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:03,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:03,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:03,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:03,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:03,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:03,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:03,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:03,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:03,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:03,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:03,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:03,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:03,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:03,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:03,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:03,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:03,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:03,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:03,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:03,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:03,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:03,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:03,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:03,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:03,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:03,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:03,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:03,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:21:03,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:03,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:03,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:03,862 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:03,863 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:03,863 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:03,863 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:03,863 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:03,864 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:03,864 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:03,864 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:03,864 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:03,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:21:03,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:21:03,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:03,866 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:03,866 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:21:03,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:03,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:03,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:03,867 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:21:03,867 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:21:03,868 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:21:03,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:03,868 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:03,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:03,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:03,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:03,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:03,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:03,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:03,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:03,870 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:03,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:03,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:03,871 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_ea62ce11-a497-4e56-b145-a67e19170587/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 -> 5107685577f81a5867811396b2c0a05eb5630c95 [2019-10-22 11:21:03,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:03,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:03,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:03,911 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:03,911 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:03,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/../../sv-benchmarks/c/locks/test_locks_9.c [2019-10-22 11:21:03,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/data/fb7a5ebbf/c47d01957f834e439022932386d34e63/FLAGcfc235781 [2019-10-22 11:21:04,354 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:04,355 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/sv-benchmarks/c/locks/test_locks_9.c [2019-10-22 11:21:04,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/data/fb7a5ebbf/c47d01957f834e439022932386d34e63/FLAGcfc235781 [2019-10-22 11:21:04,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/data/fb7a5ebbf/c47d01957f834e439022932386d34e63 [2019-10-22 11:21:04,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:04,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:04,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:04,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:04,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:04,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,387 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 11:21:04, skipping insertion in model container [2019-10-22 11:21:04,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,394 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:04,413 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:04,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:04,661 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:04,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:04,696 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:04,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04 WrapperNode [2019-10-22 11:21:04,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:04,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:04,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:04,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:04,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:04,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:04,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:04,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:04,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:04,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:04,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:04,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:04,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/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 11:21:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:05,158 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:05,158 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 11:21:05,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:05 BoogieIcfgContainer [2019-10-22 11:21:05,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:05,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:05,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:05,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:05,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:04" (1/3) ... [2019-10-22 11:21:05,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c20d7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:05, skipping insertion in model container [2019-10-22 11:21:05,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (2/3) ... [2019-10-22 11:21:05,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c20d7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:05, skipping insertion in model container [2019-10-22 11:21:05,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:05" (3/3) ... [2019-10-22 11:21:05,171 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_9.c [2019-10-22 11:21:05,180 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:05,187 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 11:21:05,198 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 11:21:05,217 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:05,217 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:21:05,217 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:05,217 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:05,217 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:05,218 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:05,218 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:05,218 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2019-10-22 11:21:05,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:05,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:05 BoogieIcfgContainer [2019-10-22 11:21:05,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:05,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:05,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:05,251 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:05,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:05" (3/4) ... [2019-10-22 11:21:05,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:05,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 11:21:05,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:05,345 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ea62ce11-a497-4e56-b145-a67e19170587/bin/utaipan/witness.graphml [2019-10-22 11:21:05,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:05,349 INFO L168 Benchmark]: Toolchain (without parser) took 970.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:05,350 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:05,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -213.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:05,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.94 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 11:21:05,351 INFO L168 Benchmark]: Boogie Preprocessor took 24.62 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 11:21:05,351 INFO L168 Benchmark]: RCFGBuilder took 402.17 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 11:21:05,352 INFO L168 Benchmark]: TraceAbstraction took 88.88 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:05,352 INFO L168 Benchmark]: Witness Printer took 97.12 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 11:21:05,354 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -213.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.94 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 24.62 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 402.17 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 88.88 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Witness Printer took 97.12 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, 35 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=35occurred 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...