./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/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 61726ee772b1faafc83e7b11d41706f173496cb7 ........................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/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 61726ee772b1faafc83e7b11d41706f173496cb7 ........................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: already ended atomic mode --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:04:11,432 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:04:11,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:04:11,441 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:04:11,442 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:04:11,443 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:04:11,443 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:04:11,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:04:11,446 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:04:11,447 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:04:11,447 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:04:11,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:04:11,448 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:04:11,449 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:04:11,449 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:04:11,450 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:04:11,450 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:04:11,452 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:04:11,453 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:04:11,454 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:04:11,455 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:04:11,456 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:04:11,458 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:04:11,458 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:04:11,458 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:04:11,459 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:04:11,459 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:04:11,459 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:04:11,460 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:04:11,461 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:04:11,461 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:04:11,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:04:11,462 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:04:11,462 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:04:11,463 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:04:11,463 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:04:11,464 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 05:04:11,472 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:04:11,472 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:04:11,473 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:04:11,473 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:04:11,473 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:04:11,473 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:04:11,473 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:04:11,474 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 05:04:11,474 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:04:11,474 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:04:11,474 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 05:04:11,474 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 05:04:11,474 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:04:11,475 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:04:11,475 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:04:11,475 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:04:11,475 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:04:11,475 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:04:11,476 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:04:11,476 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:04:11,476 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:04:11,476 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:04:11,476 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:04:11,476 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:04:11,476 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:04:11,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:04:11,477 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:04:11,477 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:04:11,477 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:04:11,477 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:04:11,477 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:04:11,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:04:11,478 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:04:11,478 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 05:04:11,478 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:04:11,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:04:11,478 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 05:04:11,478 INFO L133 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_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/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 -> 61726ee772b1faafc83e7b11d41706f173496cb7 [2018-11-23 05:04:11,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:04:11,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:04:11,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:04:11,514 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:04:11,514 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:04:11,515 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-11-23 05:04:11,553 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/data/2723ec4a1/78da47a23e14444aae78f7bef7253433/FLAGcd1fa6992 [2018-11-23 05:04:11,929 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:04:11,930 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-11-23 05:04:11,937 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/data/2723ec4a1/78da47a23e14444aae78f7bef7253433/FLAGcd1fa6992 [2018-11-23 05:04:12,314 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/data/2723ec4a1/78da47a23e14444aae78f7bef7253433 [2018-11-23 05:04:12,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:04:12,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:04:12,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:04:12,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:04:12,320 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:04:12,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d6453c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12, skipping insertion in model container [2018-11-23 05:04:12,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:04:12,361 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:04:12,577 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:04:12,585 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:04:12,673 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:04:12,721 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:04:12,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12 WrapperNode [2018-11-23 05:04:12,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:04:12,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:04:12,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:04:12,723 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:04:12,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:04:12,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:04:12,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:04:12,760 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:04:12,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12" (1/1) ... [2018-11-23 05:04:12,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:04:12,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:04:12,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:04:12,782 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:04:12,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/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 [2018-11-23 05:04:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:04:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2018-11-23 05:04:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2018-11-23 05:04:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 05:04:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-23 05:04:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 05:04:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2018-11-23 05:04:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2018-11-23 05:04:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-23 05:04:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:04:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:04:12,842 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 05:04:13,009 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: already ended atomic mode at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1168) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:660) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:254) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 05:04:13,012 INFO L168 Benchmark]: Toolchain (without parser) took 694.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:04:13,013 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:04:13,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:04:13,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.53 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:04:13,015 INFO L168 Benchmark]: Boogie Preprocessor took 22.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:04:13,016 INFO L168 Benchmark]: RCFGBuilder took 229.33 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:04:13,019 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 229.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1168) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 05:04:14,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:04:14,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:04:14,604 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:04:14,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:04:14,605 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:04:14,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:04:14,607 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:04:14,608 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:04:14,609 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:04:14,610 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:04:14,610 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:04:14,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:04:14,611 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:04:14,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:04:14,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:04:14,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:04:14,615 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:04:14,616 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:04:14,617 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:04:14,618 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:04:14,619 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:04:14,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:04:14,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:04:14,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:04:14,622 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:04:14,623 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:04:14,623 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:04:14,624 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:04:14,625 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:04:14,625 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:04:14,626 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:04:14,626 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:04:14,626 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:04:14,627 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:04:14,627 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:04:14,627 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 05:04:14,639 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:04:14,639 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:04:14,640 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:04:14,640 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:04:14,640 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:04:14,640 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:04:14,641 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:04:14,641 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:04:14,641 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:04:14,641 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:04:14,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:04:14,642 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:04:14,642 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:04:14,642 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:04:14,642 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:04:14,642 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:04:14,643 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:04:14,643 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 05:04:14,643 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 05:04:14,643 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:04:14,643 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:04:14,643 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:04:14,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:04:14,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:04:14,644 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:04:14,644 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:04:14,644 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:04:14,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:04:14,644 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:04:14,645 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:04:14,645 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:04:14,645 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 05:04:14,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:04:14,645 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 05:04:14,645 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 05:04:14,645 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/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 -> 61726ee772b1faafc83e7b11d41706f173496cb7 [2018-11-23 05:04:14,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:04:14,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:04:14,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:04:14,694 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:04:14,694 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:04:14,695 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-11-23 05:04:14,746 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/data/490bbae27/63676da5c762473e914ec890947f407a/FLAGa9f12bc9b [2018-11-23 05:04:15,130 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:04:15,130 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-11-23 05:04:15,139 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/data/490bbae27/63676da5c762473e914ec890947f407a/FLAGa9f12bc9b [2018-11-23 05:04:15,148 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/utaipan/data/490bbae27/63676da5c762473e914ec890947f407a [2018-11-23 05:04:15,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:04:15,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:04:15,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:04:15,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:04:15,155 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:04:15,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edc941c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15, skipping insertion in model container [2018-11-23 05:04:15,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:04:15,201 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:04:15,467 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:04:15,479 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:04:15,515 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:04:15,618 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:04:15,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15 WrapperNode [2018-11-23 05:04:15,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:04:15,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:04:15,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:04:15,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:04:15,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:04:15,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:04:15,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:04:15,653 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:04:15,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15" (1/1) ... [2018-11-23 05:04:15,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:04:15,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:04:15,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:04:15,673 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:04:15,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc80eb43-1f85-4b4a-a9ef-cdb9eef25538/bin-2019/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 [2018-11-23 05:04:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:04:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2018-11-23 05:04:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2018-11-23 05:04:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-23 05:04:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 05:04:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 05:04:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2018-11-23 05:04:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2018-11-23 05:04:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-23 05:04:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:04:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:04:15,713 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 05:04:15,853 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: already ended atomic mode at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1168) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:660) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:254) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 05:04:15,856 INFO L168 Benchmark]: Toolchain (without parser) took 705.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:04:15,858 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:04:15,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -198.3 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:04:15,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:04:15,860 INFO L168 Benchmark]: Boogie Preprocessor took 19.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:04:15,860 INFO L168 Benchmark]: RCFGBuilder took 182.78 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:04:15,864 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 466.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -198.3 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 182.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1168) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...