./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread/stack_longer_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/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 a8f5021ffcd942116b67d83259090505e7e7df09 ........................................................................................................................................................................................................ 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_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/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 a8f5021ffcd942116b67d83259090505e7e7df09 ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:18:34,929 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:18:34,930 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:18:34,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:18:34,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:18:34,938 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:18:34,939 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:18:34,940 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:18:34,941 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:18:34,941 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:18:34,942 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:18:34,942 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:18:34,943 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:18:34,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:18:34,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:18:34,944 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:18:34,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:18:34,946 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:18:34,947 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:18:34,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:18:34,949 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:18:34,950 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:18:34,951 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:18:34,952 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:18:34,952 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:18:34,952 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:18:34,953 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:18:34,954 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:18:34,954 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:18:34,955 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:18:34,955 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:18:34,956 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:18:34,956 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:18:34,956 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:18:34,957 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:18:34,957 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:18:34,957 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 09:18:34,965 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:18:34,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:18:34,965 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:18:34,965 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 09:18:34,966 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 09:18:34,966 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 09:18:34,966 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 09:18:34,966 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 09:18:34,966 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 09:18:34,966 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 09:18:34,966 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 09:18:34,967 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:18:34,967 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:18:34,967 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:18:34,967 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:18:34,967 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:18:34,968 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:18:34,968 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:18:34,968 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:18:34,968 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:18:34,968 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:18:34,968 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:18:34,968 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:18:34,969 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:18:34,969 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:18:34,969 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 09:18:34,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:18:34,969 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:18:34,969 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:18:34,969 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:18:34,970 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 09:18:34,970 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:18:34,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:18:34,970 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 09:18:34,970 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_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/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 -> a8f5021ffcd942116b67d83259090505e7e7df09 [2018-11-10 09:18:34,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:18:35,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:18:35,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:18:35,006 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:18:35,007 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:18:35,007 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/../../sv-benchmarks/c/pthread/stack_longer_true-unreach-call.i [2018-11-10 09:18:35,046 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/data/418435a81/48dc8ca564c745e2b42ca0bcbf759828/FLAGfd4fb77c5 [2018-11-10 09:18:35,486 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:18:35,487 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/sv-benchmarks/c/pthread/stack_longer_true-unreach-call.i [2018-11-10 09:18:35,497 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/data/418435a81/48dc8ca564c745e2b42ca0bcbf759828/FLAGfd4fb77c5 [2018-11-10 09:18:35,504 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/data/418435a81/48dc8ca564c745e2b42ca0bcbf759828 [2018-11-10 09:18:35,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:18:35,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:18:35,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:18:35,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:18:35,510 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:18:35,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:18:35" (1/1) ... [2018-11-10 09:18:35,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4943cf3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:35, skipping insertion in model container [2018-11-10 09:18:35,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:18:35" (1/1) ... [2018-11-10 09:18:35,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:18:35,551 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:18:35,799 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:18:35,826 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:18:35,858 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:18:36,025 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:18:36,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36 WrapperNode [2018-11-10 09:18:36,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:18:36,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:18:36,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:18:36,026 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:18:36,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36" (1/1) ... [2018-11-10 09:18:36,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36" (1/1) ... [2018-11-10 09:18:36,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:18:36,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:18:36,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:18:36,116 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:18:36,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36" (1/1) ... [2018-11-10 09:18:36,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36" (1/1) ... [2018-11-10 09:18:36,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36" (1/1) ... [2018-11-10 09:18:36,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36" (1/1) ... [2018-11-10 09:18:36,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36" (1/1) ... [2018-11-10 09:18:36,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36" (1/1) ... [2018-11-10 09:18:36,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36" (1/1) ... [2018-11-10 09:18:36,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:18:36,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:18:36,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:18:36,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:18:36,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:18:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-11-10 09:18:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-11-10 09:18:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-11-10 09:18:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-11-10 09:18:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2018-11-10 09:18:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2018-11-10 09:18:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure dec_top [2018-11-10 09:18:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_top [2018-11-10 09:18:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 09:18:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 09:18:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure inc_top [2018-11-10 09:18:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_top [2018-11-10 09:18:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-11-10 09:18:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-11-10 09:18:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2018-11-10 09:18:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2018-11-10 09:18:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 09:18:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 09:18:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure error [2018-11-10 09:18:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2018-11-10 09:18:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:18:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:18:36,243 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 09:18:38,318 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:18:38,368 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:18:38,368 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:18:38,368 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:18:38,369 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:18:38,369 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 09:18:38,372 INFO L168 Benchmark]: Toolchain (without parser) took 2865.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 957.6 MB in the beginning and 868.5 MB in the end (delta: 89.1 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. [2018-11-10 09:18:38,373 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:18:38,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. [2018-11-10 09:18:38,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:18:38,374 INFO L168 Benchmark]: Boogie Preprocessor took 78.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 09:18:38,375 INFO L168 Benchmark]: RCFGBuilder took 2176.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 868.5 MB in the end (delta: 210.7 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:18:38,377 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 518.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.25 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2176.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 868.5 MB in the end (delta: 210.7 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:18:39,881 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:18:39,883 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:18:39,891 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:18:39,891 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:18:39,892 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:18:39,893 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:18:39,894 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:18:39,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:18:39,896 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:18:39,897 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:18:39,897 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:18:39,898 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:18:39,898 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:18:39,899 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:18:39,900 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:18:39,900 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:18:39,901 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:18:39,903 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:18:39,904 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:18:39,905 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:18:39,905 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:18:39,907 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:18:39,907 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:18:39,907 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:18:39,908 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:18:39,908 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:18:39,909 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:18:39,909 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:18:39,910 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:18:39,910 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:18:39,911 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:18:39,911 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:18:39,911 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:18:39,912 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:18:39,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:18:39,912 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 09:18:39,922 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:18:39,922 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:18:39,923 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:18:39,923 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 09:18:39,923 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 09:18:39,923 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 09:18:39,924 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 09:18:39,924 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 09:18:39,924 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:18:39,924 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:18:39,925 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:18:39,925 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:18:39,925 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:18:39,925 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:18:39,925 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:18:39,925 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 09:18:39,925 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 09:18:39,925 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:18:39,925 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:18:39,926 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:18:39,926 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:18:39,926 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:18:39,926 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:18:39,926 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 09:18:39,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:18:39,926 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:18:39,927 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:18:39,927 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:18:39,927 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 09:18:39,927 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:18:39,927 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 09:18:39,927 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 09:18:39,927 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_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/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 -> a8f5021ffcd942116b67d83259090505e7e7df09 [2018-11-10 09:18:39,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:18:39,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:18:39,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:18:39,971 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:18:39,971 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:18:39,972 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/../../sv-benchmarks/c/pthread/stack_longer_true-unreach-call.i [2018-11-10 09:18:40,017 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/data/775928e23/ca2e5880b2c345a7a1508e0f02da1d49/FLAG3c16a4131 [2018-11-10 09:18:40,399 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:18:40,400 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/sv-benchmarks/c/pthread/stack_longer_true-unreach-call.i [2018-11-10 09:18:40,410 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/data/775928e23/ca2e5880b2c345a7a1508e0f02da1d49/FLAG3c16a4131 [2018-11-10 09:18:40,423 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/data/775928e23/ca2e5880b2c345a7a1508e0f02da1d49 [2018-11-10 09:18:40,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:18:40,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:18:40,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:18:40,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:18:40,431 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:18:40,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:18:40" (1/1) ... [2018-11-10 09:18:40,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bdf600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:40, skipping insertion in model container [2018-11-10 09:18:40,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:18:40" (1/1) ... [2018-11-10 09:18:40,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:18:40,475 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:18:40,811 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:18:40,842 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:18:40,882 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:18:41,037 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:18:41,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41 WrapperNode [2018-11-10 09:18:41,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:18:41,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:18:41,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:18:41,039 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:18:41,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41" (1/1) ... [2018-11-10 09:18:41,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41" (1/1) ... [2018-11-10 09:18:41,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:18:41,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:18:41,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:18:41,203 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:18:41,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41" (1/1) ... [2018-11-10 09:18:41,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41" (1/1) ... [2018-11-10 09:18:41,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41" (1/1) ... [2018-11-10 09:18:41,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41" (1/1) ... [2018-11-10 09:18:41,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41" (1/1) ... [2018-11-10 09:18:41,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41" (1/1) ... [2018-11-10 09:18:41,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41" (1/1) ... [2018-11-10 09:18:41,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:18:41,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:18:41,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:18:41,296 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:18:41,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:18:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6dfa6e41-adb3-4f2e-9364-0e4b894bd004/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:18:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-11-10 09:18:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-11-10 09:18:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-11-10 09:18:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-11-10 09:18:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2018-11-10 09:18:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2018-11-10 09:18:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure dec_top [2018-11-10 09:18:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_top [2018-11-10 09:18:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 09:18:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 09:18:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure inc_top [2018-11-10 09:18:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_top [2018-11-10 09:18:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-11-10 09:18:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-11-10 09:18:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2018-11-10 09:18:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2018-11-10 09:18:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 09:18:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 09:18:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure error [2018-11-10 09:18:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2018-11-10 09:18:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:18:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:18:41,351 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 09:18:45,399 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:18:45,464 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:18:45,465 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:18:45,465 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:18:45,465 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:18:45,466 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 09:18:45,470 INFO L168 Benchmark]: Toolchain (without parser) took 5043.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.0 MB). Free memory was 944.3 MB in the beginning and 1.0 GB in the end (delta: -97.8 MB). Peak memory consumption was 300.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:18:45,471 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:18:45,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.05 ms. Allocated memory is still 1.0 GB. Free memory was 944.3 MB in the beginning and 873.5 MB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:18:45,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 873.5 MB in the beginning and 1.1 GB in the end (delta: -266.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:18:45,473 INFO L168 Benchmark]: Boogie Preprocessor took 92.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:18:45,473 INFO L168 Benchmark]: RCFGBuilder took 4173.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.7 MB). Peak memory consumption was 327.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:18:45,476 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 610.05 ms. Allocated memory is still 1.0 GB. Free memory was 944.3 MB in the beginning and 873.5 MB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 164.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 873.5 MB in the beginning and 1.1 GB in the end (delta: -266.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.80 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4173.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.7 MB). Peak memory consumption was 327.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...