./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004_variant_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_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer --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 61726ee772b1faafc83e7b11d41706f173496cb7 ............................................................................................................................................................................................. 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_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer --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 61726ee772b1faafc83e7b11d41706f173496cb7 .................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: already ended atomic mode --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:37:39,750 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:37:39,751 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:37:39,759 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:37:39,759 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:37:39,760 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:37:39,761 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:37:39,762 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:37:39,763 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:37:39,764 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:37:39,764 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:37:39,764 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:37:39,765 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:37:39,766 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:37:39,766 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:37:39,767 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:37:39,767 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:37:39,769 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:37:39,770 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:37:39,771 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:37:39,772 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:37:39,773 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:37:39,774 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:37:39,775 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:37:39,775 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:37:39,775 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:37:39,776 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:37:39,777 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:37:39,777 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:37:39,778 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:37:39,778 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:37:39,779 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:37:39,779 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:37:39,779 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:37:39,780 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:37:39,780 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:37:39,780 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 20:37:39,787 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:37:39,787 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:37:39,787 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:37:39,787 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 20:37:39,787 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:37:39,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:37:39,788 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:37:39,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:37:39,789 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:37:39,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 20:37:39,790 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_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer 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 -> 61726ee772b1faafc83e7b11d41706f173496cb7 [2018-12-02 20:37:39,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:37:39,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:37:39,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:37:39,820 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:37:39,820 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:37:39,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-12-02 20:37:39,861 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/data/e2b712d4a/cb0ceabda6274037958faba666b0fb9c/FLAG766c36790 [2018-12-02 20:37:40,273 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:37:40,274 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-12-02 20:37:40,280 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/data/e2b712d4a/cb0ceabda6274037958faba666b0fb9c/FLAG766c36790 [2018-12-02 20:37:40,289 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/data/e2b712d4a/cb0ceabda6274037958faba666b0fb9c [2018-12-02 20:37:40,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:37:40,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:37:40,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:37:40,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:37:40,295 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:37:40,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7209347d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40, skipping insertion in model container [2018-12-02 20:37:40,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:37:40,325 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:37:40,492 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:37:40,499 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:37:40,556 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:37:40,586 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:37:40,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40 WrapperNode [2018-12-02 20:37:40,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:37:40,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:37:40,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:37:40,587 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:37:40,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:37:40,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:37:40,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:37:40,614 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:37:40,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40" (1/1) ... [2018-12-02 20:37:40,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:37:40,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:37:40,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:37:40,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:37:40,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:37:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:37:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2018-12-02 20:37:40,666 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2018-12-02 20:37:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 20:37:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-02 20:37:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:37:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2018-12-02 20:37:40,666 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2018-12-02 20:37:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-02 20:37:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:37:40,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:37:40,668 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 20:37:40,766 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: already ended atomic mode at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1174) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:670) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:553) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:254) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2018-12-02 20:37:40,769 INFO L168 Benchmark]: Toolchain (without parser) took 478.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:37:40,770 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:37:40,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:40,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:37:40,771 INFO L168 Benchmark]: Boogie Preprocessor took 15.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:37:40,771 INFO L168 Benchmark]: RCFGBuilder took 138.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:40,773 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 138.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1174) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:37:42,128 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:37:42,129 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:37:42,135 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:37:42,135 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:37:42,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:37:42,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:37:42,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:37:42,137 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:37:42,138 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:37:42,138 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:37:42,138 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:37:42,139 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:37:42,139 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:37:42,140 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:37:42,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:37:42,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:37:42,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:37:42,142 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:37:42,143 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:37:42,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:37:42,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:37:42,145 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:37:42,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:37:42,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:37:42,146 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:37:42,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:37:42,147 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:37:42,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:37:42,147 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:37:42,148 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:37:42,148 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:37:42,148 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:37:42,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:37:42,148 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:37:42,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:37:42,149 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 20:37:42,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:37:42,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:37:42,156 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:37:42,157 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 20:37:42,157 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:37:42,157 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:37:42,157 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:37:42,157 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:37:42,157 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:37:42,157 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:37:42,157 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:37:42,157 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:37:42,157 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:37:42,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 20:37:42,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:37:42,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:37:42,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:37:42,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:37:42,159 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 20:37:42,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:37:42,159 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 20:37:42,159 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 20:37:42,159 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_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer 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 -> 61726ee772b1faafc83e7b11d41706f173496cb7 [2018-12-02 20:37:42,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:37:42,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:37:42,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:37:42,188 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:37:42,188 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:37:42,188 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-12-02 20:37:42,225 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/data/190ec2a8f/a20cd5cfdb7a4bccaf0903e32712ee73/FLAGfa5f01bc5 [2018-12-02 20:37:42,712 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:37:42,713 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-12-02 20:37:42,720 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/data/190ec2a8f/a20cd5cfdb7a4bccaf0903e32712ee73/FLAGfa5f01bc5 [2018-12-02 20:37:43,209 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/data/190ec2a8f/a20cd5cfdb7a4bccaf0903e32712ee73 [2018-12-02 20:37:43,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:37:43,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:37:43,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:37:43,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:37:43,217 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:37:43,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4eb40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43, skipping insertion in model container [2018-12-02 20:37:43,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:37:43,253 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:37:43,433 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:37:43,441 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:37:43,469 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:37:43,546 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:37:43,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43 WrapperNode [2018-12-02 20:37:43,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:37:43,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:37:43,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:37:43,547 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:37:43,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:37:43,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:37:43,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:37:43,574 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:37:43,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43" (1/1) ... [2018-12-02 20:37:43,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:37:43,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:37:43,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:37:43,591 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:37:43,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43a443e2-2305-4945-a0bb-705605d3c6c0/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:37:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:37:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2018-12-02 20:37:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2018-12-02 20:37:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-02 20:37:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:37:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 20:37:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2018-12-02 20:37:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2018-12-02 20:37:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-02 20:37:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:37:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:37:43,624 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 20:37:43,724 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: already ended atomic mode at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1174) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:670) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:553) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:254) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2018-12-02 20:37:43,726 INFO L168 Benchmark]: Toolchain (without parser) took 514.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:37:43,727 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-02 20:37:43,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:43,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.37 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:43,728 INFO L168 Benchmark]: Boogie Preprocessor took 17.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:37:43,728 INFO L168 Benchmark]: RCFGBuilder took 134.41 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:43,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 134.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1174) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...