./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/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_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/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 55ea1c09bc92e43d86114c4707c944648092faf6 ......................................................................................................................................................................................................................................... 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_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/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_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/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 55ea1c09bc92e43d86114c4707c944648092faf6 ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 04:03:30,423 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:03:30,424 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:03:30,430 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:03:30,430 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:03:30,431 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:03:30,431 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:03:30,432 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:03:30,433 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:03:30,433 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:03:30,434 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:03:30,434 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:03:30,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:03:30,435 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:03:30,435 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:03:30,436 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:03:30,436 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:03:30,437 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:03:30,438 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:03:30,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:03:30,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:03:30,439 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:03:30,441 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:03:30,441 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:03:30,441 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:03:30,441 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:03:30,442 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:03:30,442 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:03:30,442 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:03:30,443 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:03:30,443 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:03:30,443 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:03:30,443 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:03:30,443 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:03:30,444 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:03:30,444 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:03:30,444 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 04:03:30,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:03:30,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:03:30,452 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:03:30,452 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:03:30,452 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:03:30,452 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:03:30,452 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:03:30,452 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 04:03:30,452 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:03:30,453 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:03:30,453 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 04:03:30,453 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 04:03:30,453 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:03:30,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:03:30,453 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:03:30,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 04:03:30,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:03:30,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:03:30,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:03:30,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:03:30,454 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:03:30,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:03:30,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:03:30,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:03:30,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:03:30,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:03:30,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:03:30,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:03:30,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:03:30,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:03:30,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:03:30,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:03:30,455 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 04:03:30,455 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:03:30,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 04:03:30,455 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 04:03:30,455 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_16894e34-8a07-4b8d-99ff-3bc420006869/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 -> 55ea1c09bc92e43d86114c4707c944648092faf6 [2018-12-03 04:03:30,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:03:30,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:03:30,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:03:30,483 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:03:30,483 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:03:30,483 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i [2018-12-03 04:03:30,518 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/data/00cad2eb9/a8ae139d5ce44164b9556355ddb7b1ed/FLAG40723b3cf [2018-12-03 04:03:30,934 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:03:30,935 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i [2018-12-03 04:03:30,940 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/data/00cad2eb9/a8ae139d5ce44164b9556355ddb7b1ed/FLAG40723b3cf [2018-12-03 04:03:30,949 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/data/00cad2eb9/a8ae139d5ce44164b9556355ddb7b1ed [2018-12-03 04:03:30,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:03:30,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:03:30,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:03:30,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:03:30,956 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:03:30,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:30" (1/1) ... [2018-12-03 04:03:30,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264a29c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:30, skipping insertion in model container [2018-12-03 04:03:30,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:30" (1/1) ... [2018-12-03 04:03:30,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:03:30,989 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:03:31,171 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:03:31,211 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:03:31,238 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:03:31,266 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:03:31,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31 WrapperNode [2018-12-03 04:03:31,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:03:31,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:03:31,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:03:31,267 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:03:31,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (1/1) ... [2018-12-03 04:03:31,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (1/1) ... [2018-12-03 04:03:31,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:03:31,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:03:31,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:03:31,292 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:03:31,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (1/1) ... [2018-12-03 04:03:31,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (1/1) ... [2018-12-03 04:03:31,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (1/1) ... [2018-12-03 04:03:31,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (1/1) ... [2018-12-03 04:03:31,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (1/1) ... [2018-12-03 04:03:31,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (1/1) ... [2018-12-03 04:03:31,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (1/1) ... [2018-12-03 04:03:31,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:03:31,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:03:31,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:03:31,308 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:03:31,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/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 [2018-12-03 04:03:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 04:03:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 04:03:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 04:03:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2018-12-03 04:03:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2018-12-03 04:03:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 04:03:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 04:03:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:03:31,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:03:31,340 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-03 04:03:31,503 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:03:31,503 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-03 04:03:31,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:03:31 BoogieIcfgContainer [2018-12-03 04:03:31,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:03:31,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:03:31,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:03:31,505 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:03:31,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:03:30" (1/3) ... [2018-12-03 04:03:31,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f4dfe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:03:31, skipping insertion in model container [2018-12-03 04:03:31,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:31" (2/3) ... [2018-12-03 04:03:31,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f4dfe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:03:31, skipping insertion in model container [2018-12-03 04:03:31,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:03:31" (3/3) ... [2018-12-03 04:03:31,507 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-array_true-unreach-call.i [2018-12-03 04:03:31,524 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:31,524 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:31,524 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:31,525 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:31,525 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:31,525 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:31,525 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:31,530 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-03 04:03:31,530 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:03:31,535 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 04:03:31,544 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 04:03:31,558 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:03:31,558 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:03:31,558 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:03:31,558 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:03:31,559 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:03:31,559 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:03:31,559 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:03:31,559 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:03:31,564 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67places, 72 transitions [2018-12-03 04:03:31,573 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) 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) [2018-12-03 04:03:31,574 INFO L168 Benchmark]: Toolchain (without parser) took 622.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -130.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-03 04:03:31,575 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:03:31,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-03 04:03:31,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.60 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. [2018-12-03 04:03:31,576 INFO L168 Benchmark]: Boogie Preprocessor took 15.77 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-03 04:03:31,577 INFO L168 Benchmark]: RCFGBuilder took 195.25 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-03 04:03:31,577 INFO L168 Benchmark]: TraceAbstraction took 70.57 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-03 04:03:31,579 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.60 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 15.77 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 195.25 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 70.57 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-03 04:03:32,910 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:03:32,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:03:32,917 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:03:32,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:03:32,918 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:03:32,919 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:03:32,920 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:03:32,920 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:03:32,921 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:03:32,921 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:03:32,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:03:32,922 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:03:32,923 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:03:32,923 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:03:32,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:03:32,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:03:32,925 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:03:32,926 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:03:32,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:03:32,927 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:03:32,928 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:03:32,929 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:03:32,929 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:03:32,929 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:03:32,930 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:03:32,930 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:03:32,931 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:03:32,931 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:03:32,932 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:03:32,932 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:03:32,932 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:03:32,932 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:03:32,932 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:03:32,933 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:03:32,933 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:03:32,933 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 04:03:32,941 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:03:32,941 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:03:32,941 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:03:32,941 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:03:32,942 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:03:32,942 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:03:32,942 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:03:32,942 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:03:32,942 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:03:32,942 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:03:32,943 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:03:32,943 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:03:32,943 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:03:32,943 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:03:32,943 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:03:32,943 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:03:32,943 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:03:32,943 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 04:03:32,943 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 04:03:32,944 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:03:32,944 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:03:32,944 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 04:03:32,944 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:03:32,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:03:32,944 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:03:32,944 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:03:32,944 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:03:32,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:03:32,945 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:03:32,945 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:03:32,945 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:03:32,945 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 04:03:32,945 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:03:32,945 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 04:03:32,945 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 04:03:32,945 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_16894e34-8a07-4b8d-99ff-3bc420006869/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 -> 55ea1c09bc92e43d86114c4707c944648092faf6 [2018-12-03 04:03:32,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:03:32,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:03:32,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:03:32,977 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:03:32,977 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:03:32,978 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i [2018-12-03 04:03:33,014 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/data/c6043e6b8/597fa2a41b864f988fe67768e8ed4e59/FLAGf4e46cd4a [2018-12-03 04:03:33,434 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:03:33,435 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/sv-benchmarks/c/pthread-nondet/nondet-array_true-unreach-call.i [2018-12-03 04:03:33,444 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/data/c6043e6b8/597fa2a41b864f988fe67768e8ed4e59/FLAGf4e46cd4a [2018-12-03 04:03:33,452 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/bin-2019/utaipan/data/c6043e6b8/597fa2a41b864f988fe67768e8ed4e59 [2018-12-03 04:03:33,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:03:33,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:03:33,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:03:33,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:03:33,458 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:03:33,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4559ae87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33, skipping insertion in model container [2018-12-03 04:03:33,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:03:33,483 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:03:33,656 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:03:33,667 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:03:33,729 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:03:33,761 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:03:33,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33 WrapperNode [2018-12-03 04:03:33,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:03:33,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:03:33,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:03:33,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:03:33,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:03:33,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:03:33,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:03:33,789 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:03:33,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (1/1) ... [2018-12-03 04:03:33,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:03:33,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:03:33,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:03:33,807 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:03:33,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16894e34-8a07-4b8d-99ff-3bc420006869/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 [2018-12-03 04:03:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 04:03:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-03 04:03:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-03 04:03:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2018-12-03 04:03:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2018-12-03 04:03:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 04:03:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-03 04:03:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:03:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:03:33,839 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-03 04:03:34,008 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:03:34,008 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-03 04:03:34,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:03:34 BoogieIcfgContainer [2018-12-03 04:03:34,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:03:34,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:03:34,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:03:34,011 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:03:34,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:03:33" (1/3) ... [2018-12-03 04:03:34,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d22d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:03:34, skipping insertion in model container [2018-12-03 04:03:34,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:33" (2/3) ... [2018-12-03 04:03:34,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d22d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:03:34, skipping insertion in model container [2018-12-03 04:03:34,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:03:34" (3/3) ... [2018-12-03 04:03:34,013 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-array_true-unreach-call.i [2018-12-03 04:03:34,030 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:34,030 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:34,030 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:34,030 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:34,030 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:34,030 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:34,030 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:03:34,036 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-03 04:03:34,036 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:03:34,041 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 04:03:34,049 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 04:03:34,062 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 04:03:34,063 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:03:34,063 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:03:34,063 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:03:34,063 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:03:34,063 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:03:34,063 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:03:34,063 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:03:34,063 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:03:34,068 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59places, 64 transitions [2018-12-03 04:03:34,076 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) 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) [2018-12-03 04:03:34,078 INFO L168 Benchmark]: Toolchain (without parser) took 623.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -111.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-12-03 04:03:34,079 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:03:34,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-03 04:03:34,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.54 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. [2018-12-03 04:03:34,079 INFO L168 Benchmark]: Boogie Preprocessor took 17.85 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. [2018-12-03 04:03:34,080 INFO L168 Benchmark]: RCFGBuilder took 202.33 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: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-03 04:03:34,080 INFO L168 Benchmark]: TraceAbstraction took 68.07 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-03 04:03:34,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.54 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 17.85 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 202.33 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: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 68.07 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...