./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/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 c2a45461d2a2fad9d7231c8ec635a6b958f340e7 ............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/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 c2a45461d2a2fad9d7231c8ec635a6b958f340e7 ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:47:45,482 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:47:45,483 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:47:45,491 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:47:45,491 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:47:45,491 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:47:45,492 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:47:45,493 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:47:45,494 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:47:45,495 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:47:45,496 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:47:45,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:47:45,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:47:45,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:47:45,498 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:47:45,498 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:47:45,498 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:47:45,499 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:47:45,500 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:47:45,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:47:45,501 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:47:45,502 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:47:45,507 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:47:45,507 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:47:45,508 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:47:45,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:47:45,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:47:45,510 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:47:45,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:47:45,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:47:45,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:47:45,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:47:45,512 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:47:45,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:47:45,513 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:47:45,513 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:47:45,513 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:47:45,524 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:47:45,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:47:45,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:47:45,525 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:47:45,525 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:47:45,525 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:47:45,525 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:47:45,525 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:47:45,525 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:47:45,525 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:47:45,526 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:47:45,526 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:47:45,526 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:47:45,528 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:47:45,528 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:47:45,528 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:47:45,528 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:47:45,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:47:45,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:47:45,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:47:45,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:47:45,529 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:47:45,529 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:47:45,529 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:47:45,529 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:47:45,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:47:45,529 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:47:45,529 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:47:45,530 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:47:45,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:47:45,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:47:45,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:47:45,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:47:45,530 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:47:45,530 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:47:45,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:47:45,531 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:47:45,531 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_cbff9720-25ad-4730-99f0-d037c8f81e4c/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 -> c2a45461d2a2fad9d7231c8ec635a6b958f340e7 [2018-11-18 13:47:45,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:47:45,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:47:45,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:47:45,568 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:47:45,568 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:47:45,569 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i [2018-11-18 13:47:45,612 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/data/558adefa2/2d5d4fb25dc348429cbb6ac08a4696d4/FLAGce7f418d5 [2018-11-18 13:47:46,050 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:47:46,051 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i [2018-11-18 13:47:46,058 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/data/558adefa2/2d5d4fb25dc348429cbb6ac08a4696d4/FLAGce7f418d5 [2018-11-18 13:47:46,067 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/data/558adefa2/2d5d4fb25dc348429cbb6ac08a4696d4 [2018-11-18 13:47:46,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:47:46,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:47:46,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:47:46,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:47:46,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:47:46,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ba4d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46, skipping insertion in model container [2018-11-18 13:47:46,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:47:46,110 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:47:46,328 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:47:46,337 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:47:46,418 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:47:46,450 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:47:46,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46 WrapperNode [2018-11-18 13:47:46,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:47:46,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:47:46,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:47:46,452 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:47:46,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:47:46,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:47:46,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:47:46,475 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:47:46,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (1/1) ... [2018-11-18 13:47:46,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:47:46,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:47:46,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:47:46,501 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:47:46,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/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 [2018-11-18 13:47:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:47:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:47:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:47:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 13:47:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 13:47:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:47:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:47:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:47:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2018-11-18 13:47:46,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2018-11-18 13:47:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:47:46,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:47:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:47:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:47:46,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:47:46,545 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 13:47:46,765 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:47:46,778 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:46,778 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:46,778 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:46,779 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:46,779 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:46,779 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:46,779 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:46,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:46 BasicIcfg [2018-11-18 13:47:46,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:47:46,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:47:46,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:47:46,787 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:47:46,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:47:46" (1/3) ... [2018-11-18 13:47:46,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720dcd63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:47:46, skipping insertion in model container [2018-11-18 13:47:46,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:46" (2/3) ... [2018-11-18 13:47:46,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720dcd63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:47:46, skipping insertion in model container [2018-11-18 13:47:46,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:46" (3/3) ... [2018-11-18 13:47:46,789 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-array_true-unreach-call.i_BEv2 [2018-11-18 13:47:46,795 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:47:46,800 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-18 13:47:46,809 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-18 13:47:46,826 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:47:46,826 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:47:46,826 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:47:46,827 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:47:46,827 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:47:46,827 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:47:46,827 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:47:46,827 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:47:46,834 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 13:47:46,836 INFO L168 Benchmark]: Toolchain (without parser) took 766.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -102.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:46,837 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:47:46,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:46,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.47 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. [2018-11-18 13:47:46,838 INFO L168 Benchmark]: Boogie Preprocessor took 25.05 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. [2018-11-18 13:47:46,839 INFO L168 Benchmark]: RCFGBuilder took 283.10 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:46,839 INFO L168 Benchmark]: TraceAbstraction took 51.53 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:46,842 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.47 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. * Boogie Preprocessor took 25.05 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. * RCFGBuilder took 283.10 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 51.53 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 13:47:48,236 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:47:48,238 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:47:48,245 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:47:48,245 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:47:48,246 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:47:48,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:47:48,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:47:48,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:47:48,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:47:48,250 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:47:48,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:47:48,251 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:47:48,252 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:47:48,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:47:48,253 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:47:48,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:47:48,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:47:48,256 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:47:48,257 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:47:48,258 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:47:48,259 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:47:48,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:47:48,261 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:47:48,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:47:48,261 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:47:48,262 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:47:48,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:47:48,263 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:47:48,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:47:48,264 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:47:48,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:47:48,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:47:48,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:47:48,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:47:48,266 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:47:48,266 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 13:47:48,277 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:47:48,277 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:47:48,278 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:47:48,278 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:47:48,278 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:47:48,278 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:47:48,278 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:47:48,279 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:47:48,279 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:47:48,279 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:47:48,279 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:47:48,280 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:47:48,280 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:47:48,280 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:47:48,280 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:47:48,280 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:47:48,280 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:47:48,280 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:47:48,280 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:47:48,281 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:47:48,281 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:47:48,281 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:47:48,281 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:47:48,281 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:47:48,281 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:47:48,281 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:47:48,282 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:47:48,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:47:48,282 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:47:48,282 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:47:48,282 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:47:48,282 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 13:47:48,282 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:47:48,283 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:47:48,283 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:47:48,283 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_cbff9720-25ad-4730-99f0-d037c8f81e4c/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 -> c2a45461d2a2fad9d7231c8ec635a6b958f340e7 [2018-11-18 13:47:48,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:47:48,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:47:48,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:47:48,324 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:47:48,325 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:47:48,325 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i [2018-11-18 13:47:48,361 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/data/51682ce5f/c42ad6df9e8245818bff78b83af66025/FLAGe65806432 [2018-11-18 13:47:48,740 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:47:48,741 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i [2018-11-18 13:47:48,751 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/data/51682ce5f/c42ad6df9e8245818bff78b83af66025/FLAGe65806432 [2018-11-18 13:47:49,121 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/bin-2019/utaipan/data/51682ce5f/c42ad6df9e8245818bff78b83af66025 [2018-11-18 13:47:49,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:47:49,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:47:49,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:47:49,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:47:49,128 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:47:49,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c3cb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49, skipping insertion in model container [2018-11-18 13:47:49,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:47:49,166 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:47:49,418 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:47:49,431 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:47:49,468 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:47:49,570 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:47:49,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49 WrapperNode [2018-11-18 13:47:49,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:47:49,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:47:49,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:47:49,571 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:47:49,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:47:49,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:47:49,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:47:49,593 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:47:49,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (1/1) ... [2018-11-18 13:47:49,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:47:49,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:47:49,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:47:49,616 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:47:49,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cbff9720-25ad-4730-99f0-d037c8f81e4c/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 [2018-11-18 13:47:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:47:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 13:47:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 13:47:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 13:47:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 13:47:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:47:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:47:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2018-11-18 13:47:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2018-11-18 13:47:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:47:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:47:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:47:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 13:47:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:47:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:47:49,657 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 13:47:49,880 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:47:49,895 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:49,895 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:49,895 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:49,895 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:49,895 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:49,896 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:49,896 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:47:49,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:49 BasicIcfg [2018-11-18 13:47:49,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:47:49,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:47:49,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:47:49,905 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:47:49,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:47:49" (1/3) ... [2018-11-18 13:47:49,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e96f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:47:49, skipping insertion in model container [2018-11-18 13:47:49,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:47:49" (2/3) ... [2018-11-18 13:47:49,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e96f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:47:49, skipping insertion in model container [2018-11-18 13:47:49,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:47:49" (3/3) ... [2018-11-18 13:47:49,908 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-array_true-unreach-call.i_BEv2 [2018-11-18 13:47:49,916 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:47:49,922 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-18 13:47:49,933 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-18 13:47:49,949 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:47:49,950 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:47:49,950 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:47:49,950 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:47:49,950 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:47:49,950 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:47:49,950 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:47:49,950 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:47:49,950 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:47:49,957 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 13:47:49,959 INFO L168 Benchmark]: Toolchain (without parser) took 835.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:47:49,960 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:47:49,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:49,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.06 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:49,961 INFO L168 Benchmark]: Boogie Preprocessor took 22.51 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. [2018-11-18 13:47:49,961 INFO L168 Benchmark]: RCFGBuilder took 285.90 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: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:47:49,961 INFO L168 Benchmark]: TraceAbstraction took 55.80 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. [2018-11-18 13:47:49,964 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 445.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.06 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.51 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. * RCFGBuilder took 285.90 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: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 55.80 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...