./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/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 0f7b0b589689413087c164ce10eb80c902ee4046 ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:17:50,153 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:17:50,154 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:17:50,162 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:17:50,162 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:17:50,163 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:17:50,163 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:17:50,165 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:17:50,166 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:17:50,166 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:17:50,167 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:17:50,167 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:17:50,168 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:17:50,168 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:17:50,169 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:17:50,169 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:17:50,171 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:17:50,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:17:50,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:17:50,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:17:50,175 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:17:50,176 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:17:50,177 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:17:50,177 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:17:50,178 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:17:50,179 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:17:50,179 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:17:50,180 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:17:50,180 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:17:50,181 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:17:50,181 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:17:50,182 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:17:50,182 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:17:50,182 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:17:50,183 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:17:50,184 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:17:50,184 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-22 22:17:50,194 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:17:50,194 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:17:50,195 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:17:50,195 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:17:50,195 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:17:50,195 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:17:50,196 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:17:50,196 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:17:50,196 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:17:50,196 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:17:50,196 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:17:50,196 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:17:50,196 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:17:50,197 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:17:50,197 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:17:50,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:17:50,197 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:17:50,197 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:17:50,198 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:17:50,198 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:17:50,198 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:17:50,199 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-22 22:17:50,199 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-22 22:17:50,199 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-22 22:17:50,200 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:17:50,200 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:17:50,200 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:17:50,200 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:17:50,200 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:17:50,200 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:17:50,200 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:17:50,201 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:17:50,201 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:17:50,201 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:17:50,201 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:17:50,201 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:17:50,201 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:17:50,201 INFO L133 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_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/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 -> 0f7b0b589689413087c164ce10eb80c902ee4046 [2018-11-22 22:17:50,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:17:50,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:17:50,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:17:50,238 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:17:50,238 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:17:50,239 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-22 22:17:50,281 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/data/2a94b9ce1/ea867d2eca6e423aabe5f038daa46947/FLAGadb57735a [2018-11-22 22:17:50,680 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:17:50,681 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-22 22:17:50,685 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/data/2a94b9ce1/ea867d2eca6e423aabe5f038daa46947/FLAGadb57735a [2018-11-22 22:17:50,693 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/data/2a94b9ce1/ea867d2eca6e423aabe5f038daa46947 [2018-11-22 22:17:50,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:17:50,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:17:50,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:17:50,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:17:50,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:17:50,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50, skipping insertion in model container [2018-11-22 22:17:50,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:17:50,722 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:17:50,839 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:17:50,841 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:17:50,859 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:17:50,868 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:17:50,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50 WrapperNode [2018-11-22 22:17:50,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:17:50,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:17:50,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:17:50,869 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:17:50,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:17:50,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:17:50,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:17:50,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:17:50,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (1/1) ... [2018-11-22 22:17:50,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:17:50,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:17:50,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:17:50,935 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:17:50,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/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 [2018-11-22 22:17:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:17:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:17:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:17:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:17:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:17:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:17:51,141 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:17:51,141 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 22:17:51,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:17:51 BoogieIcfgContainer [2018-11-22 22:17:51,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:17:51,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:17:51,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:17:51,144 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:17:51,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:17:50" (1/3) ... [2018-11-22 22:17:51,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbc9352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:17:51, skipping insertion in model container [2018-11-22 22:17:51,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:17:50" (2/3) ... [2018-11-22 22:17:51,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbc9352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:17:51, skipping insertion in model container [2018-11-22 22:17:51,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:17:51" (3/3) ... [2018-11-22 22:17:51,146 INFO L112 eAbstractionObserver]: Analyzing ICFG test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-22 22:17:51,152 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:17:51,156 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-22 22:17:51,165 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-22 22:17:51,181 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:17:51,181 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-22 22:17:51,181 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:17:51,181 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:17:51,181 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:17:51,182 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:17:51,182 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:17:51,182 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:17:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-11-22 22:17:51,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:17:51,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:17:51 BoogieIcfgContainer [2018-11-22 22:17:51,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:17:51,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:17:51,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:17:51,203 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:17:51,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:17:51" (3/4) ... [2018-11-22 22:17:51,206 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:17:51,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:17:51,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:17:51,214 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 22:17:51,214 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:17:51,214 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:17:51,254 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ce34262c-82b0-4085-bf3a-e0debaabcc96/bin-2019/utaipan/witness.graphml [2018-11-22 22:17:51,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:17:51,255 INFO L168 Benchmark]: Toolchain (without parser) took 559.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:17:51,256 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:17:51,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.65 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 940.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:17:51,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.45 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:17:51,257 INFO L168 Benchmark]: Boogie Preprocessor took 52.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 940.1 MB in the beginning and 1.2 GB in the end (delta: -243.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:17:51,257 INFO L168 Benchmark]: RCFGBuilder took 206.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:17:51,257 INFO L168 Benchmark]: TraceAbstraction took 60.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:17:51,258 INFO L168 Benchmark]: Witness Printer took 51.92 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:17:51,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.65 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 940.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.45 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 940.1 MB in the beginning and 1.2 GB in the end (delta: -243.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 206.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 60.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Witness Printer took 51.92 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: 7.6 MB). Peak memory consumption was 7.6 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 3 procedures, 43 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...