./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_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 11:23:05,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:05,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:05,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:05,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:05,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:05,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:05,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:05,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:05,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:05,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:05,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:05,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:05,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:05,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:05,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:05,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:05,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:05,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:05,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:05,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:05,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:05,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:05,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:05,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:05,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:05,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:05,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:05,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:05,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:05,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:05,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:05,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:05,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:05,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:05,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:05,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:05,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:05,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:05,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:05,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:05,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:05,147 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:05,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:05,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:05,148 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:05,148 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:05,148 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:05,148 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:05,149 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:05,149 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:05,149 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:05,149 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:05,149 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:05,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:05,150 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:05,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:05,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:05,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:05,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:05,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:05,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:05,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:05,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:05,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:05,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:05,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:05,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:05,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:05,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:05,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:05,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:05,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:05,153 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:05,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:05,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:05,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:05,154 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45e6dcd403d8f6074b656895ba04bd6e3a0aa355 [2019-10-22 11:23:05,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:05,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:05,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:05,203 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:05,204 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:05,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/../../sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-10-22 11:23:05,250 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/data/c79f9798a/f6cd9936885044ca84b8619376209180/FLAG58501fcea [2019-10-22 11:23:05,655 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:05,656 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-10-22 11:23:05,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/data/c79f9798a/f6cd9936885044ca84b8619376209180/FLAG58501fcea [2019-10-22 11:23:05,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/data/c79f9798a/f6cd9936885044ca84b8619376209180 [2019-10-22 11:23:05,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:05,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:05,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:05,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:05,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:05,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:05" (1/1) ... [2019-10-22 11:23:05,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785ffdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:05, skipping insertion in model container [2019-10-22 11:23:05,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:05" (1/1) ... [2019-10-22 11:23:05,692 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:05,724 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:06,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:06,152 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:06,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:06,256 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:06,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06 WrapperNode [2019-10-22 11:23:06,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:06,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:06,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:06,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:06,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:06,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:06,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:06,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:06,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:06,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:06,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:06,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:06,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:06,393 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-10-22 11:23:06,393 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-10-22 11:23:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:23:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 11:23:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 11:23:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:06,397 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 11:23:06,558 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 11:23:06,563 INFO L168 Benchmark]: Toolchain (without parser) took 883.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:06,563 INFO L168 Benchmark]: CDTParser took 0.20 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 11:23:06,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:06,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.52 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:06,565 INFO L168 Benchmark]: Boogie Preprocessor took 28.15 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:06,566 INFO L168 Benchmark]: RCFGBuilder took 232.54 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:06,568 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 577.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 232.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 11:23:08,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:08,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:08,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:08,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:08,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:08,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:08,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:08,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:08,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:08,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:08,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:08,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:08,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:08,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:08,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:08,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:08,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:08,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:08,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:08,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:08,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:08,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:08,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:08,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:08,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:08,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:08,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:08,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:08,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:08,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:08,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:08,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:08,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:08,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:08,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:08,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:08,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:08,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:08,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:08,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:08,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:23:08,771 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:08,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:08,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:08,772 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:08,772 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:08,772 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:08,772 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:08,773 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:08,773 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:08,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:08,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:08,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:08,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:08,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:08,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:08,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:08,775 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:08,775 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:08,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:08,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:08,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:08,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:08,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:08,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:08,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:08,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:08,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:08,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:08,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:08,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:08,777 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:08,777 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:08,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:08,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:08,778 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_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45e6dcd403d8f6074b656895ba04bd6e3a0aa355 [2019-10-22 11:23:08,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:08,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:08,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:08,823 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:08,824 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:08,824 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/../../sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-10-22 11:23:08,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/data/c77a65493/3955f856c58b4f538d38ede9dd72b38b/FLAG34d6f890f [2019-10-22 11:23:09,295 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:09,295 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-10-22 11:23:09,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/data/c77a65493/3955f856c58b4f538d38ede9dd72b38b/FLAG34d6f890f [2019-10-22 11:23:09,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/data/c77a65493/3955f856c58b4f538d38ede9dd72b38b [2019-10-22 11:23:09,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:09,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:09,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:09,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:09,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:09,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b013b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09, skipping insertion in model container [2019-10-22 11:23:09,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,336 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:09,371 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:09,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:09,796 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:09,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:09,907 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:09,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09 WrapperNode [2019-10-22 11:23:09,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:09,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:09,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:09,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:09,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:09,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:09,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:09,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:09,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09" (1/1) ... [2019-10-22 11:23:09,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:09,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:09,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:09,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:09,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_05dd7207-efb3-4b39-91ed-4546d43545f3/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-10-22 11:23:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-10-22 11:23:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 11:23:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:23:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 11:23:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:10,050 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 11:23:10,278 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 11:23:10,282 INFO L168 Benchmark]: Toolchain (without parser) took 961.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -106.8 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:10,283 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:10,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:10,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.76 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:10,301 INFO L168 Benchmark]: Boogie Preprocessor took 33.32 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. [2019-10-22 11:23:10,301 INFO L168 Benchmark]: RCFGBuilder took 293.00 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:10,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 587.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 293.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1252) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...