./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-atomic/gcd_true-unreach-call_true-termination.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_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/gcd_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/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 00f1d9cb3a5dbd23318edaa2a604a28ea872bf8d .................................................................................................................................................................................................................. 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_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/gcd_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/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 00f1d9cb3a5dbd23318edaa2a604a28ea872bf8d ..................................................................................................................................................................................................... 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 [2018-10-27 05:12:01,045 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:01,047 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:01,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:01,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:01,064 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:01,065 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:01,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:01,074 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:01,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:01,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:01,076 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:01,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:01,078 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:01,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:01,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:01,081 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:01,082 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:01,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:01,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:01,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:01,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:01,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:01,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:01,091 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:01,092 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:01,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:01,093 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:01,094 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:01,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:01,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:01,096 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:01,096 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:01,097 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:01,098 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:01,098 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:01,099 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:12:01,119 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:01,119 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:01,120 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:01,120 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:01,120 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:01,121 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:01,121 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:12:01,121 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:01,121 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:12:01,121 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:12:01,123 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:01,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:01,123 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:01,124 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:12:01,124 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:01,124 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:01,124 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:01,124 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:01,125 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:01,125 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:01,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:01,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:01,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:01,127 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:01,127 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:01,127 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:01,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:01,128 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:01,128 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:01,128 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:01,128 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:12:01,129 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:01,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:12:01,129 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:12:01,129 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_fd78dd38-2006-4a74-8a8d-167740b7aa1f/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 -> 00f1d9cb3a5dbd23318edaa2a604a28ea872bf8d [2018-10-27 05:12:01,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:01,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:01,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:01,188 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:01,188 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:01,189 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/../../sv-benchmarks/c/pthread-atomic/gcd_true-unreach-call_true-termination.i [2018-10-27 05:12:01,249 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/data/3f924781a/44fe74c107c645aa9d2802522da5b7ae/FLAG53a2c6e68 [2018-10-27 05:12:01,684 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:01,685 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/sv-benchmarks/c/pthread-atomic/gcd_true-unreach-call_true-termination.i [2018-10-27 05:12:01,704 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/data/3f924781a/44fe74c107c645aa9d2802522da5b7ae/FLAG53a2c6e68 [2018-10-27 05:12:01,720 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/data/3f924781a/44fe74c107c645aa9d2802522da5b7ae [2018-10-27 05:12:01,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:01,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:01,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:01,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:01,730 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:01,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:01" (1/1) ... [2018-10-27 05:12:01,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc0c968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:01, skipping insertion in model container [2018-10-27 05:12:01,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:01" (1/1) ... [2018-10-27 05:12:01,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:01,800 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:02,148 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:02,154 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:02,204 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:02,282 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:02,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02 WrapperNode [2018-10-27 05:12:02,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:02,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:02,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:02,283 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:02,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02" (1/1) ... [2018-10-27 05:12:02,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02" (1/1) ... [2018-10-27 05:12:02,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:02,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:02,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:02,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:02,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02" (1/1) ... [2018-10-27 05:12:02,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02" (1/1) ... [2018-10-27 05:12:02,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02" (1/1) ... [2018-10-27 05:12:02,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02" (1/1) ... [2018-10-27 05:12:02,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02" (1/1) ... [2018-10-27 05:12:02,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02" (1/1) ... [2018-10-27 05:12:02,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02" (1/1) ... [2018-10-27 05:12:02,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:02,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:02,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:02,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:02,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/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 [2018-10-27 05:12:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_dec_a [2018-10-27 05:12:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_dec_a [2018-10-27 05:12:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_dec_b [2018-10-27 05:12:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_dec_b [2018-10-27 05:12:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:12:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:12:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure check_gcd [2018-10-27 05:12:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure check_gcd [2018-10-27 05:12:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2018-10-27 05:12:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2018-10-27 05:12:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2018-10-27 05:12:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2018-10-27 05:12:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure start [2018-10-27 05:12:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure start [2018-10-27 05:12:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:02,552 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:12:03,629 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:03,659 WARN L317 ript$VariableManager]: TermVariabe |Thread0_dec_a_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:03,660 WARN L317 ript$VariableManager]: TermVariabe |Thread0_dec_a_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:03,660 WARN L317 ript$VariableManager]: TermVariabe |Thread0_dec_a_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:03,660 WARN L317 ript$VariableManager]: TermVariabe |Thread0_dec_a_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:03,661 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:03,664 INFO L168 Benchmark]: Toolchain (without parser) took 1940.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 955.3 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:03,666 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:03,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.88 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 923.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:03,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 923.1 MB in the beginning and 1.2 GB in the end (delta: -228.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:03,668 INFO L168 Benchmark]: Boogie Preprocessor took 42.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:03,669 INFO L168 Benchmark]: RCFGBuilder took 1193.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:03,673 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 556.88 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 923.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 923.1 MB in the beginning and 1.2 GB in the end (delta: -228.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1193.57 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: 31.5 MB). Peak memory consumption was 31.5 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 [2018-10-27 05:12:05,844 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:05,846 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:05,857 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:05,857 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:05,858 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:05,859 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:05,860 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:05,862 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:05,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:05,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:05,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:05,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:05,866 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:05,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:05,868 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:05,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:05,870 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:05,872 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:05,873 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:05,874 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:05,876 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:05,878 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:05,878 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:05,878 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:05,879 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:05,880 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:05,881 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:05,882 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:05,883 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:05,883 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:05,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:05,884 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:05,884 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:05,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:05,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:05,886 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:12:05,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:05,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:05,908 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:05,908 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:05,908 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:05,909 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:05,909 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:05,909 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:05,913 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:05,913 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:05,914 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:05,914 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:05,914 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:05,914 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:05,914 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:05,914 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:12:05,915 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:12:05,915 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:05,915 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:05,915 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:05,915 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:05,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:05,916 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:05,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:05,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:05,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:05,916 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:05,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:05,917 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:12:05,917 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:05,917 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:12:05,917 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:12:05,920 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_fd78dd38-2006-4a74-8a8d-167740b7aa1f/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 -> 00f1d9cb3a5dbd23318edaa2a604a28ea872bf8d [2018-10-27 05:12:05,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:05,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:06,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:06,004 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:06,005 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:06,005 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/../../sv-benchmarks/c/pthread-atomic/gcd_true-unreach-call_true-termination.i [2018-10-27 05:12:06,066 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/data/87dc50352/2177e96b78114b6f9ff845dae7f3a524/FLAG6d9ee91b0 [2018-10-27 05:12:06,560 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:06,561 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/sv-benchmarks/c/pthread-atomic/gcd_true-unreach-call_true-termination.i [2018-10-27 05:12:06,573 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/data/87dc50352/2177e96b78114b6f9ff845dae7f3a524/FLAG6d9ee91b0 [2018-10-27 05:12:06,587 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/bin-2019/utaipan/data/87dc50352/2177e96b78114b6f9ff845dae7f3a524 [2018-10-27 05:12:06,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:06,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:06,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:06,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:06,598 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:06,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:06" (1/1) ... [2018-10-27 05:12:06,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f20ff87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:06, skipping insertion in model container [2018-10-27 05:12:06,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:06" (1/1) ... [2018-10-27 05:12:06,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:06,660 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:07,003 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:07,008 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:07,078 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:07,176 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:07,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07 WrapperNode [2018-10-27 05:12:07,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:07,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:07,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:07,178 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:07,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:07,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:07,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:07,227 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:07,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:07,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:07,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:07,261 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:07,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd78dd38-2006-4a74-8a8d-167740b7aa1f/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 [2018-10-27 05:12:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_dec_a [2018-10-27 05:12:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_dec_a [2018-10-27 05:12:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_dec_b [2018-10-27 05:12:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_dec_b [2018-10-27 05:12:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:12:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:12:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure check_gcd [2018-10-27 05:12:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure check_gcd [2018-10-27 05:12:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2018-10-27 05:12:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2018-10-27 05:12:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2018-10-27 05:12:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2018-10-27 05:12:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure start [2018-10-27 05:12:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure start [2018-10-27 05:12:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:07,431 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:12:08,211 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:08,244 WARN L317 ript$VariableManager]: TermVariabe |Thread0_dec_a_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:08,245 WARN L317 ript$VariableManager]: TermVariabe |Thread0_dec_a_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:08,245 WARN L317 ript$VariableManager]: TermVariabe |Thread0_dec_a_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:08,245 WARN L317 ript$VariableManager]: TermVariabe |Thread0_dec_a_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:08,246 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:08,249 INFO L168 Benchmark]: Toolchain (without parser) took 1658.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:08,251 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:08,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.42 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 910.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:08,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.85 ms. Allocated memory is still 1.0 GB. Free memory is still 910.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:08,253 INFO L168 Benchmark]: Boogie Preprocessor took 33.49 ms. Allocated memory is still 1.0 GB. Free memory was 910.3 MB in the beginning and 904.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:08,254 INFO L168 Benchmark]: RCFGBuilder took 987.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 904.9 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:08,257 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 584.42 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 910.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.85 ms. Allocated memory is still 1.0 GB. Free memory is still 910.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.49 ms. Allocated memory is still 1.0 GB. Free memory was 910.3 MB in the beginning and 904.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 987.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 904.9 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 17.4 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...