./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_false-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_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/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 d16bd1b00f3665e4b9efef00ccd2ec9ca1b3c138 ........................................................................................................................................................................................................... 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_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/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 d16bd1b00f3665e4b9efef00ccd2ec9ca1b3c138 ...................................................................................................................................................................................................... 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 06:52:50,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:52:50,116 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:52:50,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:52:50,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:52:50,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:52:50,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:52:50,126 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:52:50,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:52:50,128 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:52:50,128 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:52:50,129 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:52:50,129 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:52:50,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:52:50,131 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:52:50,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:52:50,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:52:50,134 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:52:50,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:52:50,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:52:50,137 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:52:50,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:52:50,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:52:50,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:52:50,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:52:50,142 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:52:50,142 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:52:50,143 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:52:50,144 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:52:50,145 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:52:50,145 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:52:50,145 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:52:50,146 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:52:50,146 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:52:50,146 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:52:50,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:52:50,147 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 06:52:50,155 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:52:50,155 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:52:50,156 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:52:50,156 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:52:50,156 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:52:50,156 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:52:50,157 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 06:52:50,157 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:52:50,157 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 06:52:50,157 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 06:52:50,157 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:52:50,158 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:52:50,158 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:52:50,158 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:52:50,158 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:52:50,158 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:52:50,159 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:52:50,159 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:52:50,159 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:52:50,159 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:52:50,159 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:52:50,159 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:52:50,160 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:52:50,160 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:52:50,160 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:52:50,160 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:52:50,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:52:50,160 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:52:50,160 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:52:50,161 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:52:50,161 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 06:52:50,161 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:52:50,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:52:50,161 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 06:52:50,161 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_639d5eeb-e0e8-4636-87ff-314c27f79d19/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 -> d16bd1b00f3665e4b9efef00ccd2ec9ca1b3c138 [2018-11-10 06:52:50,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:52:50,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:52:50,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:52:50,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:52:50,202 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:52:50,203 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_false-unreach-call.i [2018-11-10 06:52:50,247 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/data/e8b1e4cf5/80dcb510b298484cb67a974d995e5bc2/FLAG7518db7f3 [2018-11-10 06:52:50,643 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:52:50,644 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/sv-benchmarks/c/pthread-wmm/safe021_power.opt_false-unreach-call.i [2018-11-10 06:52:50,655 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/data/e8b1e4cf5/80dcb510b298484cb67a974d995e5bc2/FLAG7518db7f3 [2018-11-10 06:52:50,665 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/data/e8b1e4cf5/80dcb510b298484cb67a974d995e5bc2 [2018-11-10 06:52:50,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:52:50,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:52:50,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:52:50,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:52:50,672 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:52:50,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:52:50" (1/1) ... [2018-11-10 06:52:50,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25017a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:50, skipping insertion in model container [2018-11-10 06:52:50,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:52:50" (1/1) ... [2018-11-10 06:52:50,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:52:50,716 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:52:50,968 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:52:50,973 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:52:51,018 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:52:51,060 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:52:51,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51 WrapperNode [2018-11-10 06:52:51,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:52:51,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:52:51,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:52:51,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:52:51,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51" (1/1) ... [2018-11-10 06:52:51,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51" (1/1) ... [2018-11-10 06:52:51,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:52:51,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:52:51,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:52:51,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:52:51,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51" (1/1) ... [2018-11-10 06:52:51,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51" (1/1) ... [2018-11-10 06:52:51,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51" (1/1) ... [2018-11-10 06:52:51,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51" (1/1) ... [2018-11-10 06:52:51,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51" (1/1) ... [2018-11-10 06:52:51,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51" (1/1) ... [2018-11-10 06:52:51,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51" (1/1) ... [2018-11-10 06:52:51,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:52:51,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:52:51,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:52:51,174 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:52:51,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/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 06:52:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 06:52:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 06:52:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:52:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:52:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:52:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:52:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-10 06:52:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-10 06:52:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-10 06:52:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-10 06:52:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-10 06:52:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-10 06:52:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:52:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:52:51,235 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 06:52:51,897 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:52:51,927 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:51,928 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:51,928 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:51,929 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:51,929 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:51,930 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:51,930 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 06:52:51,933 INFO L168 Benchmark]: Toolchain (without parser) took 1265.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -98.3 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:52:51,935 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:52:51,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.70 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 06:52:51,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -216.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:52:51,936 INFO L168 Benchmark]: Boogie Preprocessor took 24.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:52:51,937 INFO L168 Benchmark]: RCFGBuilder took 758.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2018-11-10 06:52:51,939 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.70 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 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 88.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -216.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 758.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 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... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:52:53,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:52:53,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:52:53,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:52:53,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:52:53,479 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:52:53,480 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:52:53,482 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:52:53,483 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:52:53,483 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:52:53,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:52:53,484 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:52:53,485 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:52:53,486 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:52:53,487 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:52:53,487 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:52:53,488 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:52:53,489 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:52:53,491 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:52:53,492 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:52:53,493 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:52:53,494 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:52:53,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:52:53,497 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:52:53,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:52:53,498 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:52:53,499 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:52:53,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:52:53,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:52:53,501 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:52:53,501 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:52:53,501 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:52:53,502 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:52:53,502 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:52:53,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:52:53,504 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:52:53,504 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 06:52:53,515 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:52:53,515 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:52:53,516 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:52:53,516 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:52:53,516 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:52:53,516 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:52:53,516 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:52:53,516 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:52:53,517 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:52:53,517 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:52:53,517 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:52:53,517 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:52:53,517 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:52:53,517 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:52:53,517 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:52:53,518 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 06:52:53,518 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 06:52:53,518 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:52:53,519 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:52:53,519 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:52:53,519 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:52:53,520 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:52:53,520 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:52:53,520 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:52:53,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:52:53,520 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:52:53,520 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:52:53,520 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:52:53,520 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 06:52:53,520 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:52:53,520 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 06:52:53,521 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 06:52:53,521 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_639d5eeb-e0e8-4636-87ff-314c27f79d19/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 -> d16bd1b00f3665e4b9efef00ccd2ec9ca1b3c138 [2018-11-10 06:52:53,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:52:53,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:52:53,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:52:53,561 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:52:53,561 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:52:53,562 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_false-unreach-call.i [2018-11-10 06:52:53,597 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/data/713ba1771/148d3807d21a454db88db6cc188d8ffe/FLAG651367241 [2018-11-10 06:52:53,982 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:52:53,982 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/sv-benchmarks/c/pthread-wmm/safe021_power.opt_false-unreach-call.i [2018-11-10 06:52:53,993 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/data/713ba1771/148d3807d21a454db88db6cc188d8ffe/FLAG651367241 [2018-11-10 06:52:54,004 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/bin-2019/utaipan/data/713ba1771/148d3807d21a454db88db6cc188d8ffe [2018-11-10 06:52:54,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:52:54,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:52:54,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:52:54,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:52:54,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:52:54,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e7fc6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54, skipping insertion in model container [2018-11-10 06:52:54,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:52:54,054 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:52:54,340 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:52:54,347 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:52:54,404 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:52:54,460 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:52:54,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54 WrapperNode [2018-11-10 06:52:54,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:52:54,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:52:54,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:52:54,462 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:52:54,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:52:54,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:52:54,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:52:54,549 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:52:54,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54" (1/1) ... [2018-11-10 06:52:54,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:52:54,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:52:54,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:52:54,573 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:52:54,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_639d5eeb-e0e8-4636-87ff-314c27f79d19/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 06:52:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 06:52:54,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 06:52:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:52:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:52:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:52:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:52:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-10 06:52:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-10 06:52:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-10 06:52:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-10 06:52:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-10 06:52:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-10 06:52:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:52:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:52:54,612 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 06:52:55,280 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:52:55,319 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:55,319 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:55,320 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:55,320 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:55,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:55,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:52:55,322 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 06:52:55,327 INFO L168 Benchmark]: Toolchain (without parser) took 1319.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.5 MB in the beginning and 1.0 GB in the end (delta: -89.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2018-11-10 06:52:55,328 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:52:55,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.67 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 907.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 06:52:55,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 907.9 MB in the beginning and 1.1 GB in the end (delta: -214.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:52:55,330 INFO L168 Benchmark]: Boogie Preprocessor took 24.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:52:55,330 INFO L168 Benchmark]: RCFGBuilder took 753.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.1 MB). Peak memory consumption was 87.1 MB. Max. memory is 11.5 GB. [2018-11-10 06:52:55,333 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 452.67 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 907.9 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 87.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 907.9 MB in the beginning and 1.1 GB in the end (delta: -214.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 753.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.1 MB). Peak memory consumption was 87.1 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...