./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/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_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/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_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/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_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/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 0.1.23-635dfa2 [2018-12-09 18:39:54,484 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:39:54,485 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:39:54,492 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:39:54,493 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:39:54,493 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:39:54,494 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:39:54,495 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:39:54,496 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:39:54,497 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:39:54,498 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:39:54,498 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:39:54,499 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:39:54,499 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:39:54,500 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:39:54,500 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:39:54,501 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:39:54,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:39:54,503 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:39:54,504 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:39:54,505 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:39:54,506 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:39:54,507 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:39:54,508 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:39:54,508 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:39:54,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:39:54,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:39:54,510 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:39:54,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:39:54,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:39:54,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:39:54,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:39:54,512 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:39:54,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:39:54,512 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:39:54,513 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:39:54,513 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:39:54,522 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:39:54,522 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:39:54,523 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:39:54,523 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:39:54,523 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:39:54,523 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:39:54,523 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:39:54,524 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:39:54,524 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:39:54,524 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:39:54,524 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:39:54,524 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:39:54,524 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:39:54,525 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:39:54,525 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:39:54,525 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:39:54,525 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:39:54,525 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:39:54,525 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:39:54,525 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:39:54,526 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:39:54,526 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:39:54,526 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:39:54,526 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:39:54,526 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:39:54,526 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:39:54,526 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:39:54,527 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:39:54,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:39:54,527 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:39:54,527 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:39:54,527 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:39:54,527 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:39:54,527 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:39:54,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:39:54,528 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:39:54,528 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_4b1e0d04-1c4b-491b-8482-22747a79ba2b/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 [2018-12-09 18:39:54,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:39:54,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:39:54,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:39:54,558 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:39:54,558 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:39:54,558 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-12-09 18:39:54,592 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/data/a0f15d8a0/951118c1984e41b0b657829fc7d3a311/FLAG6918a4638 [2018-12-09 18:39:55,065 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:39:55,066 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-12-09 18:39:55,073 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/data/a0f15d8a0/951118c1984e41b0b657829fc7d3a311/FLAG6918a4638 [2018-12-09 18:39:55,082 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/data/a0f15d8a0/951118c1984e41b0b657829fc7d3a311 [2018-12-09 18:39:55,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:39:55,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:39:55,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:39:55,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:39:55,087 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:39:55,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7014c445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55, skipping insertion in model container [2018-12-09 18:39:55,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:39:55,112 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:39:55,265 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:39:55,271 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:39:55,337 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:39:55,383 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:39:55,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55 WrapperNode [2018-12-09 18:39:55,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:39:55,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:39:55,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:39:55,384 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:39:55,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:39:55,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:39:55,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:39:55,424 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:39:55,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55" (1/1) ... [2018-12-09 18:39:55,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:39:55,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:39:55,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:39:55,445 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:39:55,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/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 [2018-12-09 18:39:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:39:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2018-12-09 18:39:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2018-12-09 18:39:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 18:39:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 18:39:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:39:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2018-12-09 18:39:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2018-12-09 18:39:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 18:39:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:39:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:39:55,485 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 18:39:55,587 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: already ended atomic mode at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1174) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:670) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:553) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:254) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 18:39:55,589 INFO L168 Benchmark]: Toolchain (without parser) took 505.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -137.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:39:55,590 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:39:55,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-09 18:39:55,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:39:55,591 INFO L168 Benchmark]: Boogie Preprocessor took 21.42 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 18:39:55,591 INFO L168 Benchmark]: RCFGBuilder took 143.46 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: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-12-09 18:39:55,593 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 143.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1174) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:39:56,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:39:56,888 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:39:56,896 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:39:56,896 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:39:56,897 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:39:56,898 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:39:56,899 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:39:56,900 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:39:56,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:39:56,901 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:39:56,901 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:39:56,902 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:39:56,903 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:39:56,903 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:39:56,904 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:39:56,904 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:39:56,906 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:39:56,907 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:39:56,908 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:39:56,909 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:39:56,910 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:39:56,911 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:39:56,912 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:39:56,912 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:39:56,912 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:39:56,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:39:56,914 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:39:56,914 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:39:56,915 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:39:56,915 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:39:56,916 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:39:56,916 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:39:56,916 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:39:56,917 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:39:56,917 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:39:56,917 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 18:39:56,928 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:39:56,928 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:39:56,929 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:39:56,929 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:39:56,929 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:39:56,929 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:39:56,929 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:39:56,929 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:39:56,929 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:39:56,930 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:39:56,930 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:39:56,930 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:39:56,930 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:39:56,930 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:39:56,930 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:39:56,931 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:39:56,931 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:39:56,931 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 18:39:56,931 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 18:39:56,931 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:39:56,931 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:39:56,931 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 18:39:56,931 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:39:56,932 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:39:56,932 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:39:56,932 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:39:56,932 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:39:56,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:39:56,932 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:39:56,932 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:39:56,932 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:39:56,932 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 18:39:56,932 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:39:56,932 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 18:39:56,932 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 18:39:56,933 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_4b1e0d04-1c4b-491b-8482-22747a79ba2b/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 [2018-12-09 18:39:56,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:39:56,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:39:56,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:39:56,968 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:39:56,969 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:39:56,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-12-09 18:39:57,013 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/data/6de2fff6f/b62b51749bdc459b9ead12e39e89266b/FLAG9e65bc7fa [2018-12-09 18:39:57,356 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:39:57,356 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/sv-benchmarks/c/pthread-lit/qw2004_variant_true-unreach-call.i [2018-12-09 18:39:57,363 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/data/6de2fff6f/b62b51749bdc459b9ead12e39e89266b/FLAG9e65bc7fa [2018-12-09 18:39:57,744 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/bin-2019/utaipan/data/6de2fff6f/b62b51749bdc459b9ead12e39e89266b [2018-12-09 18:39:57,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:39:57,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:39:57,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:39:57,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:39:57,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:39:57,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:39:57" (1/1) ... [2018-12-09 18:39:57,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4d691b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:57, skipping insertion in model container [2018-12-09 18:39:57,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:39:57" (1/1) ... [2018-12-09 18:39:57,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:39:57,775 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:39:57,968 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:39:57,978 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:39:58,013 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:39:58,097 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:39:58,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58 WrapperNode [2018-12-09 18:39:58,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:39:58,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:39:58,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:39:58,099 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:39:58,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58" (1/1) ... [2018-12-09 18:39:58,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58" (1/1) ... [2018-12-09 18:39:58,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:39:58,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:39:58,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:39:58,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:39:58,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58" (1/1) ... [2018-12-09 18:39:58,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58" (1/1) ... [2018-12-09 18:39:58,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58" (1/1) ... [2018-12-09 18:39:58,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58" (1/1) ... [2018-12-09 18:39:58,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58" (1/1) ... [2018-12-09 18:39:58,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58" (1/1) ... [2018-12-09 18:39:58,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58" (1/1) ... [2018-12-09 18:39:58,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:39:58,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:39:58,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:39:58,144 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:39:58,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b1e0d04-1c4b-491b-8482-22747a79ba2b/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 [2018-12-09 18:39:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:39:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2018-12-09 18:39:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2018-12-09 18:39:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 18:39:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:39:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 18:39:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2018-12-09 18:39:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2018-12-09 18:39:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 18:39:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:39:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:39:58,177 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 18:39:58,280 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: already ended atomic mode at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1174) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:670) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:553) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:254) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 18:39:58,282 INFO L168 Benchmark]: Toolchain (without parser) took 535.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:39:58,283 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:39:58,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:39:58,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.96 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. [2018-12-09 18:39:58,284 INFO L168 Benchmark]: Boogie Preprocessor took 17.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:39:58,284 INFO L168 Benchmark]: RCFGBuilder took 138.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:39:58,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 138.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1174) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...