./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/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 56f043bec3037ec37b4a132611abd4a337934428 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 21:02:21,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:02:21,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:02:21,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:02:21,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:02:21,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:02:21,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:02:21,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:02:21,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:02:21,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:02:21,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:02:21,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:02:21,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:02:21,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:02:21,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:02:21,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:02:21,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:02:21,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:02:21,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:02:21,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:02:21,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:02:21,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:02:21,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:02:21,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:02:21,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:02:21,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:02:21,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:02:21,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:02:21,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:02:21,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:02:21,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:02:21,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:02:21,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:02:21,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:02:21,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:02:21,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:02:21,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:02:21,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:02:21,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:02:21,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:02:21,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:02:21,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-12-07 21:02:21,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:02:21,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:02:21,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:02:21,097 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:02:21,097 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:02:21,097 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:02:21,097 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:02:21,097 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:02:21,097 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:02:21,098 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:02:21,098 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:02:21,098 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:02:21,098 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:02:21,098 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:02:21,099 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:02:21,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 21:02:21,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 21:02:21,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:02:21,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:02:21,099 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 21:02:21,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:02:21,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:02:21,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:02:21,100 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 21:02:21,100 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 21:02:21,100 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 21:02:21,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:02:21,100 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:02:21,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:02:21,101 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:02:21,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:02:21,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:02:21,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:02:21,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:02:21,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:02:21,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:02:21,101 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:02:21,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:02:21,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:02:21,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:02:21,102 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/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/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 -> 56f043bec3037ec37b4a132611abd4a337934428 [2019-12-07 21:02:21,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:02:21,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:02:21,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:02:21,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:02:21,223 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:02:21,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/../../sv-benchmarks/c/locks/test_locks_11.c [2019-12-07 21:02:21,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/data/f15ce745b/568c2a9c591843b3955e41f0cb746595/FLAG8e4dba9d3 [2019-12-07 21:02:21,664 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:02:21,664 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/sv-benchmarks/c/locks/test_locks_11.c [2019-12-07 21:02:21,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/data/f15ce745b/568c2a9c591843b3955e41f0cb746595/FLAG8e4dba9d3 [2019-12-07 21:02:21,680 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/data/f15ce745b/568c2a9c591843b3955e41f0cb746595 [2019-12-07 21:02:21,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:02:21,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:02:21,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:02:21,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:02:21,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:02:21,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c1cac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21, skipping insertion in model container [2019-12-07 21:02:21,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:02:21,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:02:21,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:02:21,867 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:02:21,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:02:21,893 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:02:21,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21 WrapperNode [2019-12-07 21:02:21,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:02:21,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:02:21,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:02:21,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:02:21,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:02:21,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:02:21,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:02:21,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:02:21,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (1/1) ... [2019-12-07 21:02:21,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:02:21,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:02:21,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:02:21,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:02:21,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/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 [2019-12-07 21:02:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:02:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:02:22,269 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:02:22,270 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 21:02:22,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:02:22 BoogieIcfgContainer [2019-12-07 21:02:22,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:02:22,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:02:22,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:02:22,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:02:22,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:02:21" (1/3) ... [2019-12-07 21:02:22,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b5d3ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:02:22, skipping insertion in model container [2019-12-07 21:02:22,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:02:21" (2/3) ... [2019-12-07 21:02:22,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b5d3ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:02:22, skipping insertion in model container [2019-12-07 21:02:22,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:02:22" (3/3) ... [2019-12-07 21:02:22,277 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_11.c [2019-12-07 21:02:22,283 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:02:22,288 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 21:02:22,295 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 21:02:22,307 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:02:22,308 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 21:02:22,308 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:02:22,308 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:02:22,308 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:02:22,308 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:02:22,308 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:02:22,308 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:02:22,317 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-12-07 21:02:22,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:02:22,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:02:22 BoogieIcfgContainer [2019-12-07 21:02:22,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:02:22,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:02:22,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:02:22,325 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:02:22,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:02:22" (3/4) ... [2019-12-07 21:02:22,327 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:02:22,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-07 21:02:22,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 21:02:22,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:02:22,385 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a67239d0-7693-4fbc-a1e8-7e6eed1523a4/bin/utaipan/witness.graphml [2019-12-07 21:02:22,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:02:22,386 INFO L168 Benchmark]: Toolchain (without parser) took 703.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -93.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:22,387 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:02:22,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:22,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:02:22,388 INFO L168 Benchmark]: Boogie Preprocessor took 16.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:22,388 INFO L168 Benchmark]: RCFGBuilder took 335.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:22,388 INFO L168 Benchmark]: TraceAbstraction took 52.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:22,389 INFO L168 Benchmark]: Witness Printer took 60.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:22,391 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 335.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 60.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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, 29 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=29occurred 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...