./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c759f93f4d69ecbb8ebc5bfeed89958f4e5ea08 ......................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c759f93f4d69ecbb8ebc5bfeed89958f4e5ea08 ..................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 21:52:00,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:52:00,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:52:00,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:52:00,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:52:00,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:52:00,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:52:00,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:52:00,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:52:00,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:52:00,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:52:00,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:52:00,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:52:00,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:52:00,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:52:00,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:52:00,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:52:00,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:52:00,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:52:00,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:52:00,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:52:00,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:52:00,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:52:00,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:52:00,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:52:00,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:52:00,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:52:00,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:52:00,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:52:00,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:52:00,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:52:00,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:52:00,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:52:00,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:52:00,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:52:00,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:52:00,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:52:00,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:52:00,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:52:00,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:52:00,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:52:00,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:52:00,131 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:52:00,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:52:00,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:52:00,132 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:52:00,132 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:52:00,132 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:52:00,132 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:52:00,132 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:52:00,133 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:52:00,133 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:52:00,133 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:52:00,133 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:52:00,133 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:52:00,133 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:52:00,133 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:52:00,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:52:00,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:52:00,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:52:00,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:52:00,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:52:00,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:52:00,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:52:00,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:52:00,135 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:52:00,135 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:52:00,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:52:00,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:52:00,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:52:00,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:52:00,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:52:00,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:52:00,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:52:00,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:52:00,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:52:00,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:52:00,136 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:52:00,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:52:00,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:52:00,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:52:00,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:52:00,137 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c759f93f4d69ecbb8ebc5bfeed89958f4e5ea08 [2019-12-07 21:52:00,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:52:00,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:52:00,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:52:00,246 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:52:00,246 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:52:00,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2019-12-07 21:52:00,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/data/eb5d88ab7/831a8dca6e9343c78c4b4331e56f424c/FLAGbb491dbe5 [2019-12-07 21:52:00,740 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:52:00,741 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2019-12-07 21:52:00,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/data/eb5d88ab7/831a8dca6e9343c78c4b4331e56f424c/FLAGbb491dbe5 [2019-12-07 21:52:00,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/data/eb5d88ab7/831a8dca6e9343c78c4b4331e56f424c [2019-12-07 21:52:00,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:52:00,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:52:00,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:52:00,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:52:00,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:52:00,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:52:00" (1/1) ... [2019-12-07 21:52:00,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4b5a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:00, skipping insertion in model container [2019-12-07 21:52:00,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:52:00" (1/1) ... [2019-12-07 21:52:00,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:52:00,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:52:01,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:52:01,042 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:52:01,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:52:01,121 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:52:01,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01 WrapperNode [2019-12-07 21:52:01,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:52:01,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:52:01,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:52:01,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:52:01,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01" (1/1) ... [2019-12-07 21:52:01,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01" (1/1) ... [2019-12-07 21:52:01,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:52:01,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:52:01,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:52:01,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:52:01,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01" (1/1) ... [2019-12-07 21:52:01,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01" (1/1) ... [2019-12-07 21:52:01,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01" (1/1) ... [2019-12-07 21:52:01,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01" (1/1) ... [2019-12-07 21:52:01,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01" (1/1) ... [2019-12-07 21:52:01,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01" (1/1) ... [2019-12-07 21:52:01,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01" (1/1) ... [2019-12-07 21:52:01,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:52:01,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:52:01,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:52:01,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:52:01,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:52:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 21:52:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-07 21:52:01,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-07 21:52:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 21:52:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:52:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:52:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 21:52:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:52:01,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:52:01,232 WARN L205 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 21:52:01,331 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-07 21:52:01,333 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-07 21:52:01,334 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-12-07 21:52:01,335 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-12-07 21:52:01,335 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#3 [2019-12-07 21:52:01,337 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processAtomicStatement(CfgBuilder.java:1520) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:804) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:621) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:570) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 21:52:01,341 INFO L168 Benchmark]: Toolchain (without parser) took 578.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:52:01,342 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:52:01,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:52:01,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:52:01,344 INFO L168 Benchmark]: Boogie Preprocessor took 23.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:52:01,344 INFO L168 Benchmark]: RCFGBuilder took 156.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:52:01,347 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 156.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processAtomicStatement(CfgBuilder.java:1520) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 21:52:02,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:52:02,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:52:02,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:52:02,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:52:02,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:52:02,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:52:02,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:52:02,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:52:02,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:52:02,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:52:02,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:52:02,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:52:02,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:52:02,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:52:02,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:52:02,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:52:02,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:52:02,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:52:02,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:52:02,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:52:02,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:52:02,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:52:02,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:52:02,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:52:02,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:52:02,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:52:02,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:52:02,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:52:02,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:52:02,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:52:02,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:52:02,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:52:02,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:52:02,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:52:02,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:52:02,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:52:02,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:52:02,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:52:02,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:52:02,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:52:02,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:52:02,816 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:52:02,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:52:02,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:52:02,817 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:52:02,817 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:52:02,817 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:52:02,817 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:52:02,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:52:02,817 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:52:02,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:52:02,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:52:02,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:52:02,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:52:02,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:52:02,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:52:02,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:52:02,819 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:52:02,819 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:52:02,819 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:52:02,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:52:02,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:52:02,819 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:52:02,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:52:02,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:52:02,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:52:02,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:52:02,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:52:02,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:52:02,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:52:02,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:52:02,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:52:02,821 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:52:02,821 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:52:02,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:52:02,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:52:02,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:52:02,821 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c759f93f4d69ecbb8ebc5bfeed89958f4e5ea08 [2019-12-07 21:52:02,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:52:02,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:52:02,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:52:02,997 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:52:02,997 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:52:02,998 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2019-12-07 21:52:03,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/data/22be76e7f/be9bb0c9ddae486b99b93418537775c1/FLAG056e4aa28 [2019-12-07 21:52:03,548 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:52:03,548 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2019-12-07 21:52:03,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/data/22be76e7f/be9bb0c9ddae486b99b93418537775c1/FLAG056e4aa28 [2019-12-07 21:52:04,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/data/22be76e7f/be9bb0c9ddae486b99b93418537775c1 [2019-12-07 21:52:04,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:52:04,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:52:04,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:52:04,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:52:04,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:52:04,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be8526a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04, skipping insertion in model container [2019-12-07 21:52:04,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:52:04,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:52:04,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:52:04,308 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:52:04,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:52:04,399 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:52:04,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04 WrapperNode [2019-12-07 21:52:04,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:52:04,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:52:04,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:52:04,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:52:04,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:52:04,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:52:04,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:52:04,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:52:04,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04" (1/1) ... [2019-12-07 21:52:04,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:52:04,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:52:04,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:52:04,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:52:04,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:52:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72d0ad40-342b-4997-81c0-66be71420908/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:52:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 21:52:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-07 21:52:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-07 21:52:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:52:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:52:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 21:52:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 21:52:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:52:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:52:04,516 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 21:52:04,608 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-07 21:52:04,610 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-07 21:52:04,611 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-12-07 21:52:04,611 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-12-07 21:52:04,612 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#3 [2019-12-07 21:52:04,613 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processAtomicStatement(CfgBuilder.java:1520) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:804) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:621) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:570) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 21:52:04,616 INFO L168 Benchmark]: Toolchain (without parser) took 593.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:52:04,616 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:52:04,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:52:04,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.55 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. [2019-12-07 21:52:04,618 INFO L168 Benchmark]: Boogie Preprocessor took 27.84 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:52:04,618 INFO L168 Benchmark]: RCFGBuilder took 144.63 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:52:04,620 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 376.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 144.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: In atomic statements, GotoStatements are (currently) only allowed if they jump to exactly one label and this label is the next statement after the GotoStatement: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processAtomicStatement(CfgBuilder.java:1520) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...