./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 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/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 --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:41:32,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:41:32,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:41:32,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:41:32,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:41:32,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:41:32,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:41:32,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:41:32,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:41:32,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:41:32,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:41:32,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:41:32,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:41:32,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:41:32,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:41:32,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:41:32,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:41:32,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:41:32,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:41:32,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:41:32,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:41:32,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:41:32,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:41:32,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:41:32,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:41:32,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:41:32,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:41:32,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:41:32,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:41:32,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:41:32,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:41:32,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:41:32,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:41:32,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:41:32,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:41:32,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:41:32,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:41:32,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:41:32,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:41:32,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:41:32,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:41:32,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-11-26 02:41:33,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:41:33,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:41:33,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:41:33,026 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:41:33,026 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:41:33,026 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:41:33,027 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:41:33,027 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:41:33,027 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:41:33,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:41:33,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:41:33,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:41:33,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:41:33,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:41:33,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:41:33,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:41:33,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:41:33,029 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:41:33,031 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:41:33,031 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:41:33,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:41:33,031 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:41:33,031 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:41:33,032 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:41:33,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:41:33,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:41:33,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:41:33,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:41:33,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:41:33,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:41:33,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:41:33,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:41:33,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:41:33,034 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:41:33,034 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:41:33,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:41:33,035 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_cec77926-18ef-4a0d-a9d3-47510938a1f9/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 [2019-11-26 02:41:33,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:41:33,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:41:33,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:41:33,179 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:41:33,179 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:41:33,180 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/../../sv-benchmarks/c/locks/test_locks_11.c [2019-11-26 02:41:33,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/data/8f9935c25/8048c22653ee446eb6c0d1e4c6a30e9a/FLAGb1930e003 [2019-11-26 02:41:33,590 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:41:33,594 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/sv-benchmarks/c/locks/test_locks_11.c [2019-11-26 02:41:33,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/data/8f9935c25/8048c22653ee446eb6c0d1e4c6a30e9a/FLAGb1930e003 [2019-11-26 02:41:33,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/data/8f9935c25/8048c22653ee446eb6c0d1e4c6a30e9a [2019-11-26 02:41:34,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:41:34,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:41:34,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:34,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:41:34,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:41:34,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441446e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34, skipping insertion in model container [2019-11-26 02:41:34,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:41:34,044 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:41:34,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:34,206 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:41:34,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:34,300 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:41:34,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34 WrapperNode [2019-11-26 02:41:34,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:34,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:34,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:41:34,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:41:34,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:34,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:41:34,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:41:34,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:41:34,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (1/1) ... [2019-11-26 02:41:34,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:41:34,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:41:34,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:41:34,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:41:34,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/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 [2019-11-26 02:41:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:41:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:41:34,739 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:41:34,740 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:41:34,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:34 BoogieIcfgContainer [2019-11-26 02:41:34,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:41:34,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:41:34,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:41:34,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:41:34,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:41:34" (1/3) ... [2019-11-26 02:41:34,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6645fecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:41:34, skipping insertion in model container [2019-11-26 02:41:34,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:34" (2/3) ... [2019-11-26 02:41:34,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6645fecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:41:34, skipping insertion in model container [2019-11-26 02:41:34,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:34" (3/3) ... [2019-11-26 02:41:34,747 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_11.c [2019-11-26 02:41:34,753 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:41:34,758 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-26 02:41:34,766 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-26 02:41:34,781 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:41:34,781 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 02:41:34,781 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:41:34,782 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:41:34,786 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:41:34,786 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:41:34,786 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:41:34,786 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:41:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-11-26 02:41:34,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:41:34,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:41:34 BoogieIcfgContainer [2019-11-26 02:41:34,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:41:34,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:41:34,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:41:34,807 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:41:34,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:34" (3/4) ... [2019-11-26 02:41:34,809 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:41:34,820 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:41:34,821 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:41:34,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cec77926-18ef-4a0d-a9d3-47510938a1f9/bin/utaipan/witness.graphml [2019-11-26 02:41:34,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:41:34,882 INFO L168 Benchmark]: Toolchain (without parser) took 873.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:34,882 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:34,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:34,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.68 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. [2019-11-26 02:41:34,884 INFO L168 Benchmark]: Boogie Preprocessor took 22.70 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:34,884 INFO L168 Benchmark]: RCFGBuilder took 377.06 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:34,885 INFO L168 Benchmark]: TraceAbstraction took 64.38 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:34,885 INFO L168 Benchmark]: Witness Printer took 74.02 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. [2019-11-26 02:41:34,887 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.68 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 22.70 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 377.06 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 64.38 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.02 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. * 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, 41 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=41occurred 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...