./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/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 4b339e26d039513f5b304a35d73744763e8c2ef6 ...................................................................................................................................................................................................... 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_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/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 4b339e26d039513f5b304a35d73744763e8c2ef6 ..................................................................................................................................................................................................... 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 06:57:00,699 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:57:00,701 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:57:00,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:57:00,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:57:00,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:57:00,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:57:00,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:57:00,717 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:57:00,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:57:00,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:57:00,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:57:00,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:57:00,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:57:00,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:57:00,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:57:00,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:57:00,725 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:57:00,727 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:57:00,728 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:57:00,729 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:57:00,730 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:57:00,732 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:57:00,733 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:57:00,733 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:57:00,734 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:57:00,735 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:57:00,736 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:57:00,737 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:57:00,738 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:57:00,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:57:00,739 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:57:00,739 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:57:00,739 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:57:00,740 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:57:00,741 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:57:00,741 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 06:57:00,754 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:57:00,755 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:57:00,755 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:57:00,756 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:57:00,756 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:57:00,756 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:57:00,756 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 06:57:00,756 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:57:00,756 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 06:57:00,757 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 06:57:00,757 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:57:00,758 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:57:00,758 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:57:00,758 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:57:00,758 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:57:00,758 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:57:00,758 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:57:00,759 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:57:00,759 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:57:00,759 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:57:00,759 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:57:00,759 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:57:00,760 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:57:00,760 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:57:00,760 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:57:00,760 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:57:00,760 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:57:00,760 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:57:00,761 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:57:00,761 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:57:00,761 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 06:57:00,761 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:57:00,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:57:00,762 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 06:57:00,762 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_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/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 -> 4b339e26d039513f5b304a35d73744763e8c2ef6 [2018-11-10 06:57:00,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:57:00,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:57:00,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:57:00,809 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:57:00,810 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:57:00,810 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas_true-unreach-call.i [2018-11-10 06:57:00,861 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/data/d35db8e2c/930272f3b8704056a6a5ec55d16387f8/FLAG558d2a5dd [2018-11-10 06:57:01,297 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:57:01,298 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas_true-unreach-call.i [2018-11-10 06:57:01,312 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/data/d35db8e2c/930272f3b8704056a6a5ec55d16387f8/FLAG558d2a5dd [2018-11-10 06:57:01,325 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/data/d35db8e2c/930272f3b8704056a6a5ec55d16387f8 [2018-11-10 06:57:01,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:57:01,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:57:01,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:57:01,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:57:01,332 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:57:01,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fce3983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01, skipping insertion in model container [2018-11-10 06:57:01,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:57:01,378 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:57:01,653 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:57:01,662 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:57:01,705 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:57:01,747 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:57:01,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01 WrapperNode [2018-11-10 06:57:01,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:57:01,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:57:01,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:57:01,748 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:57:01,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:57:01,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:57:01,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:57:01,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:57:01,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01" (1/1) ... [2018-11-10 06:57:01,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:57:01,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:57:01,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:57:01,880 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:57:01,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/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 06:57:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-10 06:57:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-10 06:57:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:57:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:57:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:57:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:57:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2018-11-10 06:57:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2018-11-10 06:57:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure findMax [2018-11-10 06:57:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure findMax [2018-11-10 06:57:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:57:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:57:01,939 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 06:57:02,415 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:57:02,438 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:57:02,439 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:57:02,440 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 06:57:02,443 INFO L168 Benchmark]: Toolchain (without parser) took 1114.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:02,445 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:57:02,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.06 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:02,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 922.6 MB in the beginning and 1.2 GB in the end (delta: -261.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:02,447 INFO L168 Benchmark]: Boogie Preprocessor took 28.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:02,447 INFO L168 Benchmark]: RCFGBuilder took 562.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:02,451 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 418.06 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 922.6 MB in the beginning and 1.2 GB in the end (delta: -261.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 562.50 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: 46.5 MB). Peak memory consumption was 46.5 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 [2018-11-10 06:57:04,247 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:57:04,249 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:57:04,261 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:57:04,261 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:57:04,262 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:57:04,263 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:57:04,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:57:04,267 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:57:04,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:57:04,268 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:57:04,269 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:57:04,270 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:57:04,271 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:57:04,272 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:57:04,272 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:57:04,273 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:57:04,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:57:04,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:57:04,278 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:57:04,279 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:57:04,280 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:57:04,282 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:57:04,283 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:57:04,283 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:57:04,284 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:57:04,285 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:57:04,285 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:57:04,286 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:57:04,287 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:57:04,287 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:57:04,288 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:57:04,288 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:57:04,288 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:57:04,289 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:57:04,290 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:57:04,290 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 06:57:04,302 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:57:04,303 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:57:04,303 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:57:04,304 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:57:04,304 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:57:04,304 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:57:04,304 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:57:04,304 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:57:04,305 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:57:04,305 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:57:04,305 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:57:04,306 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:57:04,306 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:57:04,306 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:57:04,306 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:57:04,306 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 06:57:04,306 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 06:57:04,307 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:57:04,307 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:57:04,307 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:57:04,307 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:57:04,307 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:57:04,308 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:57:04,308 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:57:04,308 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:57:04,308 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:57:04,308 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:57:04,308 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:57:04,309 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 06:57:04,309 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:57:04,309 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 06:57:04,309 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 06:57:04,309 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_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/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 -> 4b339e26d039513f5b304a35d73744763e8c2ef6 [2018-11-10 06:57:04,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:57:04,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:57:04,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:57:04,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:57:04,365 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:57:04,366 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas_true-unreach-call.i [2018-11-10 06:57:04,422 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/data/a5070b354/d13c02e4d428489faa5a4f4ac0021ff9/FLAG0b6490e69 [2018-11-10 06:57:04,847 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:57:04,848 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/sv-benchmarks/c/pthread-ext/12_fmaxsymopt_cas_true-unreach-call.i [2018-11-10 06:57:04,860 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/data/a5070b354/d13c02e4d428489faa5a4f4ac0021ff9/FLAG0b6490e69 [2018-11-10 06:57:04,875 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/bin-2019/utaipan/data/a5070b354/d13c02e4d428489faa5a4f4ac0021ff9 [2018-11-10 06:57:04,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:57:04,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:57:04,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:57:04,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:57:04,884 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:57:04,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:57:04" (1/1) ... [2018-11-10 06:57:04,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a2a1194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:04, skipping insertion in model container [2018-11-10 06:57:04,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:57:04" (1/1) ... [2018-11-10 06:57:04,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:57:04,932 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:57:05,222 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:57:05,233 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:57:05,273 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:57:05,322 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:57:05,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05 WrapperNode [2018-11-10 06:57:05,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:57:05,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:57:05,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:57:05,323 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:57:05,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05" (1/1) ... [2018-11-10 06:57:05,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05" (1/1) ... [2018-11-10 06:57:05,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:57:05,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:57:05,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:57:05,419 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:57:05,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05" (1/1) ... [2018-11-10 06:57:05,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05" (1/1) ... [2018-11-10 06:57:05,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05" (1/1) ... [2018-11-10 06:57:05,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05" (1/1) ... [2018-11-10 06:57:05,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05" (1/1) ... [2018-11-10 06:57:05,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05" (1/1) ... [2018-11-10 06:57:05,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05" (1/1) ... [2018-11-10 06:57:05,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:57:05,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:57:05,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:57:05,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:57:05,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:57:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01006e60-2c00-4f4a-8d99-eb05bc68ceb2/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 06:57:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-10 06:57:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-10 06:57:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:57:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:57:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:57:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:57:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2018-11-10 06:57:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2018-11-10 06:57:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure findMax [2018-11-10 06:57:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure findMax [2018-11-10 06:57:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:57:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:57:05,497 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 06:57:05,975 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:57:06,000 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:57:06,000 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:57:06,001 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 06:57:06,003 INFO L168 Benchmark]: Toolchain (without parser) took 1124.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -117.9 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:06,004 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:57:06,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.02 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 911.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:06,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 911.1 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:06,006 INFO L168 Benchmark]: Boogie Preprocessor took 30.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:57:06,006 INFO L168 Benchmark]: RCFGBuilder took 553.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-11-10 06:57:06,009 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 442.02 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 911.1 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 95.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 911.1 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.35 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 553.48 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: 47.0 MB). Peak memory consumption was 47.0 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...