./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/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 1953052a35542fc4370e7730ae7762f1486f1475 ........................................................................................................................................................................................... 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/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/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 1953052a35542fc4370e7730ae7762f1486f1475 ............................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: already ended atomic mode --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:34:39,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:34:39,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:34:39,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:34:39,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:34:39,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:34:39,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:34:39,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:34:39,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:34:39,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:34:39,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:34:39,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:34:39,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:34:39,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:34:39,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:34:39,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:34:39,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:34:39,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:34:39,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:34:39,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:34:39,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:34:39,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:34:39,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:34:39,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:34:39,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:34:39,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:34:39,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:34:39,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:34:39,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:34:39,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:34:39,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:34:39,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:34:39,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:34:39,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:34:39,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:34:39,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:34:39,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:34:39,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:34:39,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:34:39,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:34:39,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:34:39,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:34:39,618 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:34:39,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:34:39,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:34:39,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:34:39,619 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:34:39,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:34:39,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:34:39,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:34:39,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:34:39,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:34:39,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:34:39,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:34:39,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:34:39,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:34:39,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:34:39,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:34:39,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:34:39,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:34:39,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:34:39,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:34:39,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:34:39,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:34:39,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:34:39,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:34:39,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:34:39,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:34:39,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:34:39,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:34:39,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:34:39,622 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/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/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 -> 1953052a35542fc4370e7730ae7762f1486f1475 [2019-12-07 10:34:39,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:34:39,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:34:39,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:34:39,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:34:39,728 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:34:39,728 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/../../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-12-07 10:34:39,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/data/8d7f5252a/5ca0afda38f84237a1eba6c6f49b0122/FLAG5ec4c830d [2019-12-07 10:34:40,206 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:34:40,206 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-12-07 10:34:40,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/data/8d7f5252a/5ca0afda38f84237a1eba6c6f49b0122/FLAG5ec4c830d [2019-12-07 10:34:40,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/data/8d7f5252a/5ca0afda38f84237a1eba6c6f49b0122 [2019-12-07 10:34:40,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:34:40,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:34:40,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:34:40,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:34:40,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:34:40,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f87f835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40, skipping insertion in model container [2019-12-07 10:34:40,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:34:40,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:34:40,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:34:40,490 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:34:40,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:34:40,566 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:34:40,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40 WrapperNode [2019-12-07 10:34:40,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:34:40,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:34:40,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:34:40,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:34:40,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:34:40,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:34:40,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:34:40,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:34:40,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40" (1/1) ... [2019-12-07 10:34:40,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:34:40,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:34:40,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:34:40,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:34:40,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/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 [2019-12-07 10:34:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-12-07 10:34:40,663 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-12-07 10:34:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:34:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-07 10:34:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:34:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:34:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2019-12-07 10:34:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2019-12-07 10:34:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-07 10:34:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:34:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:34:40,665 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 10:34:40,781 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$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1265) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:794) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:621) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:570) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-12-07 10:34:40,785 INFO L168 Benchmark]: Toolchain (without parser) took 554.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 935.4 MB in the beginning and 1.0 GB in the end (delta: -112.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:34:40,785 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:34:40,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:40,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.17 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. [2019-12-07 10:34:40,786 INFO L168 Benchmark]: Boogie Preprocessor took 19.83 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. [2019-12-07 10:34:40,787 INFO L168 Benchmark]: RCFGBuilder took 162.91 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:40,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 162.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1265) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:34:42,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:34:42,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:34:42,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:34:42,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:34:42,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:34:42,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:34:42,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:34:42,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:34:42,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:34:42,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:34:42,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:34:42,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:34:42,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:34:42,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:34:42,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:34:42,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:34:42,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:34:42,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:34:42,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:34:42,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:34:42,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:34:42,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:34:42,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:34:42,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:34:42,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:34:42,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:34:42,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:34:42,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:34:42,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:34:42,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:34:42,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:34:42,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:34:42,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:34:42,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:34:42,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:34:42,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:34:42,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:34:42,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:34:42,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:34:42,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:34:42,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 10:34:42,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:34:42,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:34:42,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:34:42,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:34:42,286 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:34:42,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:34:42,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:34:42,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:34:42,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:34:42,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:34:42,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:34:42,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:34:42,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:34:42,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:34:42,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:34:42,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:34:42,288 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:34:42,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:34:42,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:34:42,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:34:42,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:34:42,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:34:42,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:34:42,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:34:42,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:34:42,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:34:42,289 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 10:34:42,289 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:34:42,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:34:42,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:34:42,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:34:42,290 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/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/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 -> 1953052a35542fc4370e7730ae7762f1486f1475 [2019-12-07 10:34:42,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:34:42,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:34:42,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:34:42,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:34:42,474 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:34:42,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/../../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-12-07 10:34:42,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/data/48022936c/a96552e710a748989061ff24f3919a22/FLAG1193d3550 [2019-12-07 10:34:42,935 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:34:42,936 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-12-07 10:34:42,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/data/48022936c/a96552e710a748989061ff24f3919a22/FLAG1193d3550 [2019-12-07 10:34:42,953 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/bin/uautomizer/data/48022936c/a96552e710a748989061ff24f3919a22 [2019-12-07 10:34:42,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:34:42,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:34:42,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:34:42,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:34:42,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:34:42,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:34:42" (1/1) ... [2019-12-07 10:34:42,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359df4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:42, skipping insertion in model container [2019-12-07 10:34:42,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:34:42" (1/1) ... [2019-12-07 10:34:42,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:34:43,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:34:43,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:34:43,249 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:34:43,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:34:43,331 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:34:43,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43 WrapperNode [2019-12-07 10:34:43,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:34:43,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:34:43,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:34:43,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:34:43,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43" (1/1) ... [2019-12-07 10:34:43,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43" (1/1) ... [2019-12-07 10:34:43,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:34:43,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:34:43,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:34:43,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:34:43,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43" (1/1) ... [2019-12-07 10:34:43,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43" (1/1) ... [2019-12-07 10:34:43,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43" (1/1) ... [2019-12-07 10:34:43,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43" (1/1) ... [2019-12-07 10:34:43,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43" (1/1) ... [2019-12-07 10:34:43,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43" (1/1) ... [2019-12-07 10:34:43,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43" (1/1) ... [2019-12-07 10:34:43,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:34:43,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:34:43,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:34:43,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:34:43,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:34:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1a52162-3ea1-4622-b57d-b9738d473d35/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 [2019-12-07 10:34:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-12-07 10:34:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-12-07 10:34:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-07 10:34:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:34:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:34:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 10:34:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2019-12-07 10:34:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2019-12-07 10:34:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-07 10:34:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:34:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:34:43,442 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 10:34:43,577 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$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1265) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:794) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:621) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:570) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-12-07 10:34:43,580 INFO L168 Benchmark]: Toolchain (without parser) took 624.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:43,581 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:34:43,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:43,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.93 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. [2019-12-07 10:34:43,582 INFO L168 Benchmark]: Boogie Preprocessor took 22.92 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. [2019-12-07 10:34:43,582 INFO L168 Benchmark]: RCFGBuilder took 187.64 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:34:43,584 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 187.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1265) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...