./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-nondet/nondet-array_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-nondet/nondet-array_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6a9b6364e8ccc530209a5e686b9bf3bb352582e ....................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-nondet/nondet-array_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6a9b6364e8ccc530209a5e686b9bf3bb352582e ......................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-28 20:45:56,652 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 20:45:56,654 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 20:45:56,671 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 20:45:56,671 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 20:45:56,672 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 20:45:56,673 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 20:45:56,675 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 20:45:56,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 20:45:56,678 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 20:45:56,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 20:45:56,679 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 20:45:56,680 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 20:45:56,681 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 20:45:56,682 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 20:45:56,682 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 20:45:56,683 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 20:45:56,685 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 20:45:56,687 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 20:45:56,689 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 20:45:56,690 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 20:45:56,692 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 20:45:56,694 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 20:45:56,695 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 20:45:56,695 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 20:45:56,696 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 20:45:56,697 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 20:45:56,698 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 20:45:56,699 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 20:45:56,700 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 20:45:56,700 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 20:45:56,701 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 20:45:56,701 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 20:45:56,701 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 20:45:56,703 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 20:45:56,704 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 20:45:56,704 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 20:45:56,722 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 20:45:56,722 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 20:45:56,723 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 20:45:56,723 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 20:45:56,724 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 20:45:56,724 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 20:45:56,724 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 20:45:56,724 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 20:45:56,725 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 20:45:56,725 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 20:45:56,725 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 20:45:56,725 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 20:45:56,725 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 20:45:56,725 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 20:45:56,726 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 20:45:56,726 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 20:45:56,726 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 20:45:56,726 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 20:45:56,726 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 20:45:56,727 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 20:45:56,727 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 20:45:56,727 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 20:45:56,727 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 20:45:56,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 20:45:56,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 20:45:56,728 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 20:45:56,728 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 20:45:56,728 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 20:45:56,728 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 20:45:56,728 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 20:45:56,728 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> e6a9b6364e8ccc530209a5e686b9bf3bb352582e [2018-11-28 20:45:56,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 20:45:56,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 20:45:56,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 20:45:56,814 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 20:45:56,814 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 20:45:56,815 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-nondet/nondet-array_false-unreach-call.i [2018-11-28 20:45:56,880 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e755e1b/03d6bddc28b64256af5127f22b2796fd/FLAGa6c8531bc [2018-11-28 20:45:57,475 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 20:45:57,476 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-nondet/nondet-array_false-unreach-call.i [2018-11-28 20:45:57,496 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e755e1b/03d6bddc28b64256af5127f22b2796fd/FLAGa6c8531bc [2018-11-28 20:45:57,714 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e755e1b/03d6bddc28b64256af5127f22b2796fd [2018-11-28 20:45:57,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 20:45:57,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 20:45:57,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 20:45:57,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 20:45:57,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 20:45:57,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:45:57" (1/1) ... [2018-11-28 20:45:57,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fe42a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:57, skipping insertion in model container [2018-11-28 20:45:57,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:45:57" (1/1) ... [2018-11-28 20:45:57,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 20:45:57,818 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 20:45:58,266 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:45:58,293 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 20:45:58,498 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:45:58,586 INFO L195 MainTranslator]: Completed translation [2018-11-28 20:45:58,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58 WrapperNode [2018-11-28 20:45:58,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 20:45:58,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 20:45:58,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 20:45:58,588 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 20:45:58,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (1/1) ... [2018-11-28 20:45:58,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (1/1) ... [2018-11-28 20:45:58,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 20:45:58,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 20:45:58,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 20:45:58,652 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 20:45:58,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (1/1) ... [2018-11-28 20:45:58,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (1/1) ... [2018-11-28 20:45:58,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (1/1) ... [2018-11-28 20:45:58,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (1/1) ... [2018-11-28 20:45:58,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (1/1) ... [2018-11-28 20:45:58,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (1/1) ... [2018-11-28 20:45:58,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (1/1) ... [2018-11-28 20:45:58,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 20:45:58,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 20:45:58,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 20:45:58,721 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 20:45:58,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 20:45:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 20:45:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 20:45:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 20:45:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 20:45:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2018-11-28 20:45:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2018-11-28 20:45:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 20:45:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 20:45:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 20:45:58,804 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 20:45:59,346 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 20:45:59,347 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 20:45:59,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:45:59 BoogieIcfgContainer [2018-11-28 20:45:59,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 20:45:59,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 20:45:59,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 20:45:59,352 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 20:45:59,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:45:57" (1/3) ... [2018-11-28 20:45:59,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e674ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:45:59, skipping insertion in model container [2018-11-28 20:45:59,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:45:58" (2/3) ... [2018-11-28 20:45:59,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e674ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:45:59, skipping insertion in model container [2018-11-28 20:45:59,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:45:59" (3/3) ... [2018-11-28 20:45:59,356 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-array_false-unreach-call.i [2018-11-28 20:45:59,388 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:45:59,388 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:45:59,388 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:45:59,388 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:45:59,389 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:45:59,389 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:45:59,389 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:45:59,416 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 20:45:59,416 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 20:45:59,425 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 20:45:59,442 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 20:45:59,469 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 20:45:59,470 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 20:45:59,470 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 20:45:59,470 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 20:45:59,471 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 20:45:59,471 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 20:45:59,471 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 20:45:59,471 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 20:45:59,471 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 20:45:59,484 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59places, 64 transitions [2018-11-28 20:45:59,501 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) [2018-11-28 20:45:59,505 INFO L168 Benchmark]: Toolchain (without parser) took 1786.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -110.7 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-11-28 20:45:59,508 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:45:59,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-11-28 20:45:59,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.40 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. [2018-11-28 20:45:59,511 INFO L168 Benchmark]: Boogie Preprocessor took 66.22 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. [2018-11-28 20:45:59,511 INFO L168 Benchmark]: RCFGBuilder took 628.71 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-11-28 20:45:59,513 INFO L168 Benchmark]: TraceAbstraction took 155.95 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-28 20:45:59,519 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 865.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.40 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 66.22 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 628.71 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 155.95 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: 7.1 MB). Peak memory consumption was 7.1 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 0.1.24-91b1670 [2018-11-28 20:46:01,951 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 20:46:01,954 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 20:46:01,972 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 20:46:01,972 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 20:46:01,973 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 20:46:01,976 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 20:46:01,978 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 20:46:01,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 20:46:01,981 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 20:46:01,983 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 20:46:01,984 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 20:46:01,985 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 20:46:01,986 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 20:46:01,987 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 20:46:01,990 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 20:46:01,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 20:46:02,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 20:46:02,002 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 20:46:02,004 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 20:46:02,005 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 20:46:02,006 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 20:46:02,008 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 20:46:02,009 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 20:46:02,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 20:46:02,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 20:46:02,011 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 20:46:02,012 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 20:46:02,012 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 20:46:02,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 20:46:02,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 20:46:02,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 20:46:02,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 20:46:02,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 20:46:02,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 20:46:02,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 20:46:02,023 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 20:46:02,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 20:46:02,039 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 20:46:02,040 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 20:46:02,040 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 20:46:02,040 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 20:46:02,040 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 20:46:02,041 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 20:46:02,041 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 20:46:02,041 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 20:46:02,041 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 20:46:02,041 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 20:46:02,042 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 20:46:02,042 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 20:46:02,042 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 20:46:02,042 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 20:46:02,042 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 20:46:02,042 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 20:46:02,043 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 20:46:02,043 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 20:46:02,043 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 20:46:02,043 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 20:46:02,043 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 20:46:02,043 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 20:46:02,044 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 20:46:02,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 20:46:02,044 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 20:46:02,044 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 20:46:02,044 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 20:46:02,044 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 20:46:02,045 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 20:46:02,045 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 20:46:02,045 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 20:46:02,045 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> e6a9b6364e8ccc530209a5e686b9bf3bb352582e [2018-11-28 20:46:02,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 20:46:02,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 20:46:02,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 20:46:02,132 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 20:46:02,132 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 20:46:02,133 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-nondet/nondet-array_false-unreach-call.i [2018-11-28 20:46:02,196 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf731db1b/74f4a803fe9b4207946191d8d0be135a/FLAG6a37cf9a3 [2018-11-28 20:46:02,866 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 20:46:02,869 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-nondet/nondet-array_false-unreach-call.i [2018-11-28 20:46:02,888 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf731db1b/74f4a803fe9b4207946191d8d0be135a/FLAG6a37cf9a3 [2018-11-28 20:46:03,053 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf731db1b/74f4a803fe9b4207946191d8d0be135a [2018-11-28 20:46:03,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 20:46:03,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 20:46:03,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 20:46:03,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 20:46:03,064 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 20:46:03,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a68dabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03, skipping insertion in model container [2018-11-28 20:46:03,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 20:46:03,143 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 20:46:03,624 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:46:03,646 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 20:46:03,786 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:46:03,877 INFO L195 MainTranslator]: Completed translation [2018-11-28 20:46:03,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03 WrapperNode [2018-11-28 20:46:03,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 20:46:03,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 20:46:03,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 20:46:03,879 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 20:46:03,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 20:46:03,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 20:46:03,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 20:46:03,940 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 20:46:03,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (1/1) ... [2018-11-28 20:46:03,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 20:46:03,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 20:46:03,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 20:46:03,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 20:46:03,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 20:46:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 20:46:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 20:46:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 20:46:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2018-11-28 20:46:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2018-11-28 20:46:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 20:46:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 20:46:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 20:46:04,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 20:46:04,054 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 20:46:04,573 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 20:46:04,573 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 20:46:04,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:46:04 BoogieIcfgContainer [2018-11-28 20:46:04,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 20:46:04,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 20:46:04,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 20:46:04,581 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 20:46:04,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:46:03" (1/3) ... [2018-11-28 20:46:04,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7087937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:46:04, skipping insertion in model container [2018-11-28 20:46:04,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:46:03" (2/3) ... [2018-11-28 20:46:04,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7087937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:46:04, skipping insertion in model container [2018-11-28 20:46:04,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:46:04" (3/3) ... [2018-11-28 20:46:04,587 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-array_false-unreach-call.i [2018-11-28 20:46:04,620 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:04,621 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:04,621 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:04,621 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:04,621 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:04,622 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:04,623 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:46:04,656 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 20:46:04,656 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 20:46:04,665 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 20:46:04,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 20:46:04,712 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 20:46:04,713 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 20:46:04,713 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 20:46:04,713 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 20:46:04,713 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 20:46:04,713 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 20:46:04,713 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 20:46:04,713 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 20:46:04,714 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 20:46:04,725 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59places, 64 transitions [2018-11-28 20:46:04,742 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) [2018-11-28 20:46:04,748 INFO L168 Benchmark]: Toolchain (without parser) took 1691.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -112.5 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:04,751 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:46:04,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:04,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.84 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. [2018-11-28 20:46:04,753 INFO L168 Benchmark]: Boogie Preprocessor took 41.18 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:04,755 INFO L168 Benchmark]: RCFGBuilder took 593.05 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:04,755 INFO L168 Benchmark]: TraceAbstraction took 170.49 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 20:46:04,761 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 818.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.84 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 41.18 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 593.05 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 170.49 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: 6.8 MB). Peak memory consumption was 6.8 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...