./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/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 45e6dcd403d8f6074b656895ba04bd6e3a0aa355 ........................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/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 45e6dcd403d8f6074b656895ba04bd6e3a0aa355 .......................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: already ended atomic mode --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:37,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:37,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:37,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:37,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:37,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:37,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:37,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:37,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:37,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:37,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:37,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:37,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:37,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:37,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:37,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:37,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:37,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:37,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:37,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:37,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:37,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:37,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:37,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:37,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:37,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:37,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:37,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:37,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:37,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:37,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:37,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:37,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:37,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:37,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:37,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:37,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:37,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:37,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:37,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:37,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:37,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:37,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:37,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:37,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:37,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:37,175 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:37,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:37,176 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:37,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:37,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:37,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:37,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:37,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:37,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:37,177 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:37,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:37,177 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:37,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:37,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:37,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:37,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:37,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:37,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:37,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:37,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:37,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:37,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:37,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:37,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:37,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0849e758-9afa-4fe8-8519-6f70b7914160/bin/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 -> 45e6dcd403d8f6074b656895ba04bd6e3a0aa355 [2019-10-22 08:59:37,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:37,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:37,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:37,241 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:37,241 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:37,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/../../sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-10-22 08:59:37,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/data/02361544c/c741921e2b9c41fd8c2f5039d43269b2/FLAG93dbb312e [2019-10-22 08:59:37,753 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:37,754 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-10-22 08:59:37,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/data/02361544c/c741921e2b9c41fd8c2f5039d43269b2/FLAG93dbb312e [2019-10-22 08:59:38,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/data/02361544c/c741921e2b9c41fd8c2f5039d43269b2 [2019-10-22 08:59:38,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:38,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:38,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:38,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:38,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:38,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b495900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38, skipping insertion in model container [2019-10-22 08:59:38,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,065 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:38,110 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:38,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:38,522 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:38,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:38,636 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:38,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38 WrapperNode [2019-10-22 08:59:38,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:38,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:38,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:38,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:38,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:38,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:38,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:38,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:38,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38" (1/1) ... [2019-10-22 08:59:38,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:38,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:38,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:38,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:38,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/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 [2019-10-22 08:59:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-10-22 08:59:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-10-22 08:59:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:59:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 08:59:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:59:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 08:59:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:38,778 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:59:38,969 FATAL L? ?]: 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$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1252) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:788) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:615) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:564) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-10-22 08:59:38,973 INFO L168 Benchmark]: Toolchain (without parser) took 921.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -105.7 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:38,974 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:38,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:38,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.13 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: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:38,976 INFO L168 Benchmark]: Boogie Preprocessor took 37.82 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:38,983 INFO L168 Benchmark]: RCFGBuilder took 248.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:38,986 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 585.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 248.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1252) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:40,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:40,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:40,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:40,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:40,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:40,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:40,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:40,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:40,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:40,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:40,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:40,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:40,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:40,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:40,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:40,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:40,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:40,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:40,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:40,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:40,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:40,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:40,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:40,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:40,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:40,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:40,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:40,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:40,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:40,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:40,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:40,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:40,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:40,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:40,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:40,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:40,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:40,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:40,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:40,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:40,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:59:41,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:41,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:41,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:41,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:41,013 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:41,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:41,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:41,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:41,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:41,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:41,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:41,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:41,014 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:59:41,015 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:59:41,016 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:41,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:41,017 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:41,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:41,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:41,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:41,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:41,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:41,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:41,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:41,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:41,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:41,018 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:59:41,018 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:59:41,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:41,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:59:41,019 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0849e758-9afa-4fe8-8519-6f70b7914160/bin/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 -> 45e6dcd403d8f6074b656895ba04bd6e3a0aa355 [2019-10-22 08:59:41,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:41,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:41,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:41,066 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:41,066 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:41,067 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/../../sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-10-22 08:59:41,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/data/8b398eae9/6e0668d8eeaa489882176e8ff7cba692/FLAGf7a0fe590 [2019-10-22 08:59:41,557 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:41,558 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-10-22 08:59:41,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/data/8b398eae9/6e0668d8eeaa489882176e8ff7cba692/FLAGf7a0fe590 [2019-10-22 08:59:41,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/uautomizer/data/8b398eae9/6e0668d8eeaa489882176e8ff7cba692 [2019-10-22 08:59:41,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:41,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:41,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:41,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:41,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:41,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:41" (1/1) ... [2019-10-22 08:59:41,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e61d2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:41, skipping insertion in model container [2019-10-22 08:59:41,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:41" (1/1) ... [2019-10-22 08:59:41,910 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:41,949 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:42,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:42,423 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:42,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:42,547 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:42,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42 WrapperNode [2019-10-22 08:59:42,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:42,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:42,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:42,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:42,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42" (1/1) ... [2019-10-22 08:59:42,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42" (1/1) ... [2019-10-22 08:59:42,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:42,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:42,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:42,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:42,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42" (1/1) ... [2019-10-22 08:59:42,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42" (1/1) ... [2019-10-22 08:59:42,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42" (1/1) ... [2019-10-22 08:59:42,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42" (1/1) ... [2019-10-22 08:59:42,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42" (1/1) ... [2019-10-22 08:59:42,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42" (1/1) ... [2019-10-22 08:59:42,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42" (1/1) ... [2019-10-22 08:59:42,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:42,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:42,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:42,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:42,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0849e758-9afa-4fe8-8519-6f70b7914160/bin/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 [2019-10-22 08:59:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-10-22 08:59:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-10-22 08:59:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 08:59:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:59:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:59:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 08:59:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:42,697 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:59:42,940 FATAL L? ?]: 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$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1252) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:788) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:615) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:564) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-10-22 08:59:42,946 INFO L168 Benchmark]: Toolchain (without parser) took 1052.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:42,946 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:42,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:42,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.29 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:42,948 INFO L168 Benchmark]: Boogie Preprocessor took 33.52 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. [2019-10-22 08:59:42,948 INFO L168 Benchmark]: RCFGBuilder took 306.05 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:42,951 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 654.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 306.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1252) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...