./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/18_read_write_lock_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30255c5981d11991d2414e28c50bab33dbbcb910 ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:15:30,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:15:30,585 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:15:30,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:15:30,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:15:30,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:15:30,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:15:30,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:15:30,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:15:30,595 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:15:30,596 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:15:30,596 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:15:30,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:15:30,597 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:15:30,598 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:15:30,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:15:30,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:15:30,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:15:30,601 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:15:30,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:15:30,602 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:15:30,603 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:15:30,604 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:15:30,604 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:15:30,604 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:15:30,605 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:15:30,605 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:15:30,606 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:15:30,606 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:15:30,607 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:15:30,607 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:15:30,607 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:15:30,608 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:15:30,608 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:15:30,608 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:15:30,609 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:15:30,609 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 07:15:30,616 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:15:30,616 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:15:30,617 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:15:30,617 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:15:30,617 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 07:15:30,617 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 07:15:30,617 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 07:15:30,618 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 07:15:30,618 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 07:15:30,618 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 07:15:30,618 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 07:15:30,618 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 07:15:30,618 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 07:15:30,619 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:15:30,619 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:15:30,619 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:15:30,619 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:15:30,619 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:15:30,619 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:15:30,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:15:30,619 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:15:30,620 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:15:30,620 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:15:30,620 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:15:30,620 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:15:30,620 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:15:30,620 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:15:30,620 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:15:30,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:15:30,621 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:15:30,621 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:15:30,621 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:15:30,621 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 07:15:30,621 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:15:30,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 07:15:30,621 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 07:15:30,621 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_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/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 ! call(__VERIFIER_error())) ) 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 -> 30255c5981d11991d2414e28c50bab33dbbcb910 [2018-12-02 07:15:30,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:15:30,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:15:30,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:15:30,652 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:15:30,652 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:15:30,653 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/18_read_write_lock_true-unreach-call.i [2018-12-02 07:15:30,686 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/data/877284ba8/c37ef59bf76b489783c4bc006c46dcbe/FLAG86bb2b400 [2018-12-02 07:15:31,127 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:15:31,127 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/sv-benchmarks/c/pthread-ext/18_read_write_lock_true-unreach-call.i [2018-12-02 07:15:31,134 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/data/877284ba8/c37ef59bf76b489783c4bc006c46dcbe/FLAG86bb2b400 [2018-12-02 07:15:31,143 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/data/877284ba8/c37ef59bf76b489783c4bc006c46dcbe [2018-12-02 07:15:31,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:15:31,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:15:31,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:15:31,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:15:31,148 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:15:31,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725a737b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31, skipping insertion in model container [2018-12-02 07:15:31,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:15:31,174 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:15:31,365 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:15:31,374 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:15:31,440 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:15:31,470 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:15:31,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31 WrapperNode [2018-12-02 07:15:31,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:15:31,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:15:31,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:15:31,471 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:15:31,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:15:31,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:15:31,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:15:31,498 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:15:31,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (1/1) ... [2018-12-02 07:15:31,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:15:31,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:15:31,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:15:31,511 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:15:31,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/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 [2018-12-02 07:15:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:15:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-02 07:15:31,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-02 07:15:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 07:15:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 07:15:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:15:31,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:15:31,546 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 07:15:31,611 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_w_returnLabel [2018-12-02 07:15:31,637 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_r_returnLabel [2018-12-02 07:15:31,672 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:15:31,672 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 07:15:31,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:15:31 BoogieIcfgContainer [2018-12-02 07:15:31,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:15:31,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:15:31,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:15:31,676 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:15:31,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:15:31" (1/3) ... [2018-12-02 07:15:31,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a9f541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:15:31, skipping insertion in model container [2018-12-02 07:15:31,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:15:31" (2/3) ... [2018-12-02 07:15:31,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a9f541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:15:31, skipping insertion in model container [2018-12-02 07:15:31,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:15:31" (3/3) ... [2018-12-02 07:15:31,679 INFO L112 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock_true-unreach-call.i [2018-12-02 07:15:31,703 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:15:31,703 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:15:31,704 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:15:31,704 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:15:31,704 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:15:31,704 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:15:31,709 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 07:15:31,710 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:15:31,715 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:15:31,725 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:15:31,740 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:15:31,740 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:15:31,740 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:15:31,740 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:15:31,740 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:15:31,740 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:15:31,740 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:15:31,740 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:15:31,745 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36places, 35 transitions [2018-12-02 07:15:31,754 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 125 states. [2018-12-02 07:15:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-12-02 07:15:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 07:15:31,761 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:15:31,761 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:15:31,763 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:15:31,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:15:31,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1956366165, now seen corresponding path program 1 times [2018-12-02 07:15:31,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:15:31,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:15:31,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:15:31,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:15:31,802 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:15:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:15:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:15:31,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:15:31,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 07:15:31,869 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:15:31,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:15:31,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:15:31,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:15:31,882 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 3 states. [2018-12-02 07:15:31,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:15:31,905 INFO L93 Difference]: Finished difference Result 165 states and 279 transitions. [2018-12-02 07:15:31,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:15:31,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-02 07:15:31,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:15:31,911 INFO L225 Difference]: With dead ends: 165 [2018-12-02 07:15:31,911 INFO L226 Difference]: Without dead ends: 37 [2018-12-02 07:15:31,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:15:31,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-02 07:15:31,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-02 07:15:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-02 07:15:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2018-12-02 07:15:31,931 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 19 [2018-12-02 07:15:31,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:15:31,931 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2018-12-02 07:15:31,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:15:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2018-12-02 07:15:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 07:15:31,932 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:15:31,932 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:15:31,932 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:15:31,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:15:31,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1943260432, now seen corresponding path program 1 times [2018-12-02 07:15:31,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:15:31,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:15:31,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:15:31,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:15:31,936 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:15:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:15:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:15:31,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:15:31,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 07:15:31,983 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:15:31,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 07:15:31,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 07:15:31,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:15:31,985 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand 4 states. [2018-12-02 07:15:31,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:15:31,997 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2018-12-02 07:15:31,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 07:15:31,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-12-02 07:15:31,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:15:31,998 INFO L225 Difference]: With dead ends: 37 [2018-12-02 07:15:31,998 INFO L226 Difference]: Without dead ends: 32 [2018-12-02 07:15:31,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:15:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-02 07:15:32,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-02 07:15:32,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-02 07:15:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2018-12-02 07:15:32,000 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 21 [2018-12-02 07:15:32,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:15:32,001 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2018-12-02 07:15:32,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 07:15:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2018-12-02 07:15:32,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 07:15:32,001 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:15:32,001 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:15:32,001 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:15:32,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:15:32,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1127946220, now seen corresponding path program 2 times [2018-12-02 07:15:32,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:15:32,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:15:32,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:15:32,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:15:32,004 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:15:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:15:32,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:15:32,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:15:32,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 07:15:32,036 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:15:32,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 07:15:32,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 07:15:32,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:15:32,036 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 4 states. [2018-12-02 07:15:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:15:32,040 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-12-02 07:15:32,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 07:15:32,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-12-02 07:15:32,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:15:32,041 INFO L225 Difference]: With dead ends: 18 [2018-12-02 07:15:32,041 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 07:15:32,041 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:15:32,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 07:15:32,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 07:15:32,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 07:15:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 07:15:32,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-12-02 07:15:32,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:15:32,041 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 07:15:32,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 07:15:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 07:15:32,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 07:15:32,043 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-02 07:15:32,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:15:32 BasicIcfg [2018-12-02 07:15:32,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 07:15:32,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:15:32,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:15:32,045 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:15:32,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:15:31" (3/4) ... [2018-12-02 07:15:32,047 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 07:15:32,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2018-12-02 07:15:32,054 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 07:15:32,055 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 07:15:32,077 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7e5942bd-319b-40e1-9d0c-56b2286c7fe4/bin-2019/utaipan/witness.graphml [2018-12-02 07:15:32,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:15:32,078 INFO L168 Benchmark]: Toolchain (without parser) took 932.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.7 MB in the beginning and 1.0 GB in the end (delta: -89.5 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-12-02 07:15:32,079 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:15:32,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-02 07:15:32,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:15:32,079 INFO L168 Benchmark]: Boogie Preprocessor took 13.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:15:32,079 INFO L168 Benchmark]: RCFGBuilder took 161.44 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:15:32,080 INFO L168 Benchmark]: TraceAbstraction took 371.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2018-12-02 07:15:32,080 INFO L168 Benchmark]: Witness Printer took 32.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:15:32,081 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 161.44 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 371.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. * Witness Printer took 32.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 657]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 28 SDslu, 75 SDs, 0 SdLazy, 15 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...