./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/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 7d18463df1ccecb78ef9c884b34855756d40cf97 .................................................................................................................................................................................................................................................... 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_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/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 7d18463df1ccecb78ef9c884b34855756d40cf97 .................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:05:24,883 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:05:24,884 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:05:24,892 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:05:24,892 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:05:24,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:05:24,894 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:05:24,896 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:05:24,897 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:05:24,898 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:05:24,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:05:24,898 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:05:24,899 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:05:24,900 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:05:24,901 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:05:24,901 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:05:24,902 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:05:24,903 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:05:24,905 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:05:24,906 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:05:24,907 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:05:24,907 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:05:24,909 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:05:24,909 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:05:24,909 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:05:24,910 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:05:24,911 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:05:24,912 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:05:24,912 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:05:24,913 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:05:24,913 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:05:24,914 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:05:24,914 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:05:24,914 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:05:24,915 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:05:24,915 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:05:24,916 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:05:24,926 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:05:24,926 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:05:24,927 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:05:24,927 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:05:24,927 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:05:24,927 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:05:24,927 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:05:24,927 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:05:24,928 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:05:24,928 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:05:24,928 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:05:24,928 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:05:24,928 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:05:24,929 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:05:24,929 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:05:24,929 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:05:24,929 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:05:24,929 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:05:24,929 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:05:24,929 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:05:24,930 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:05:24,930 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:05:24,930 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:05:24,930 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:05:24,930 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:05:24,930 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:05:24,930 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:05:24,931 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:05:24,931 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:05:24,931 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:05:24,931 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:05:24,931 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:05:24,931 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:05:24,931 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:05:24,931 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:05:24,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:05:24,932 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:05:24,932 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_9d0f3b08-5085-4797-9492-4459fe5451e3/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 -> 7d18463df1ccecb78ef9c884b34855756d40cf97 [2018-11-18 11:05:24,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:05:24,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:05:24,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:05:24,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:05:24,965 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:05:24,965 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i [2018-11-18 11:05:25,003 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/data/08bd93db7/750d43d50b2d4e6b924e0ca6ffea757b/FLAGde428573b [2018-11-18 11:05:25,372 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:05:25,373 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i [2018-11-18 11:05:25,382 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/data/08bd93db7/750d43d50b2d4e6b924e0ca6ffea757b/FLAGde428573b [2018-11-18 11:05:25,762 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/data/08bd93db7/750d43d50b2d4e6b924e0ca6ffea757b [2018-11-18 11:05:25,764 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:05:25,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:05:25,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:05:25,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:05:25,767 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:05:25,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:05:25" (1/1) ... [2018-11-18 11:05:25,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266329ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:25, skipping insertion in model container [2018-11-18 11:05:25,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:05:25" (1/1) ... [2018-11-18 11:05:25,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:05:25,800 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:05:25,994 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:05:26,000 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:05:26,032 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:05:26,114 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:05:26,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26 WrapperNode [2018-11-18 11:05:26,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:05:26,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:05:26,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:05:26,116 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:05:26,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (1/1) ... [2018-11-18 11:05:26,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (1/1) ... [2018-11-18 11:05:26,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:05:26,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:05:26,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:05:26,137 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:05:26,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (1/1) ... [2018-11-18 11:05:26,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (1/1) ... [2018-11-18 11:05:26,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (1/1) ... [2018-11-18 11:05:26,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (1/1) ... [2018-11-18 11:05:26,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (1/1) ... [2018-11-18 11:05:26,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (1/1) ... [2018-11-18 11:05:26,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (1/1) ... [2018-11-18 11:05:26,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:05:26,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:05:26,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:05:26,156 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:05:26,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/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 [2018-11-18 11:05:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:05:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:05:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-18 11:05:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-18 11:05:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 11:05:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 11:05:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:05:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:05:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:05:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:05:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:05:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:05:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:05:26,197 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 11:05:26,404 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:05:26,419 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:26,419 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:26,420 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:26,420 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:26,420 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:26,421 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:26,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:05:26 BasicIcfg [2018-11-18 11:05:26,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:05:26,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:05:26,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:05:26,438 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:05:26,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:05:25" (1/3) ... [2018-11-18 11:05:26,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3383e3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:05:26, skipping insertion in model container [2018-11-18 11:05:26,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:26" (2/3) ... [2018-11-18 11:05:26,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3383e3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:05:26, skipping insertion in model container [2018-11-18 11:05:26,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:05:26" (3/3) ... [2018-11-18 11:05:26,440 INFO L112 eAbstractionObserver]: Analyzing ICFG 15_dekker_true-unreach-call.i_BEv2 [2018-11-18 11:05:26,448 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:05:26,455 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-18 11:05:26,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-18 11:05:26,491 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:05:26,491 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:05:26,491 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:05:26,492 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:05:26,492 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:05:26,492 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:05:26,492 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:05:26,492 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:05:26,501 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2018-11-18 11:05:26,503 INFO L168 Benchmark]: Toolchain (without parser) took 738.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -116.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:05:26,504 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-18 11:05:26,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:05:26,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:05:26,505 INFO L168 Benchmark]: Boogie Preprocessor took 18.88 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. [2018-11-18 11:05:26,505 INFO L168 Benchmark]: RCFGBuilder took 278.27 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:05:26,506 INFO L168 Benchmark]: TraceAbstraction took 67.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:05:26,508 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 350.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.88 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 278.27 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 67.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 11:05:27,931 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:05:27,933 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:05:27,941 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:05:27,941 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:05:27,942 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:05:27,943 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:05:27,944 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:05:27,945 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:05:27,946 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:05:27,946 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:05:27,947 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:05:27,947 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:05:27,948 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:05:27,949 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:05:27,950 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:05:27,950 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:05:27,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:05:27,953 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:05:27,954 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:05:27,955 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:05:27,956 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:05:27,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:05:27,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:05:27,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:05:27,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:05:27,959 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:05:27,960 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:05:27,961 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:05:27,962 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:05:27,962 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:05:27,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:05:27,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:05:27,963 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:05:27,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:05:27,964 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:05:27,964 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 11:05:27,975 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:05:27,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:05:27,975 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:05:27,975 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:05:27,976 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:05:27,976 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:05:27,976 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:05:27,976 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:05:27,977 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:05:27,977 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:05:27,978 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:05:27,978 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:05:27,978 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:05:27,978 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:05:27,978 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:05:27,978 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:05:27,978 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:05:27,979 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:05:27,979 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:05:27,979 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:05:27,979 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:05:27,979 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:05:27,979 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:05:27,979 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:05:27,979 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:05:27,980 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:05:27,980 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:05:27,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:05:27,980 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:05:27,980 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:05:27,982 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:05:27,982 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 11:05:27,982 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:05:27,982 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:05:27,982 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:05:27,983 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_9d0f3b08-5085-4797-9492-4459fe5451e3/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 -> 7d18463df1ccecb78ef9c884b34855756d40cf97 [2018-11-18 11:05:28,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:05:28,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:05:28,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:05:28,026 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:05:28,027 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:05:28,027 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i [2018-11-18 11:05:28,067 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/data/24a20b4da/934e7c803cdc4b079bfc3f58633e2b6c/FLAG1328fdd2a [2018-11-18 11:05:28,503 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:05:28,503 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i [2018-11-18 11:05:28,511 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/data/24a20b4da/934e7c803cdc4b079bfc3f58633e2b6c/FLAG1328fdd2a [2018-11-18 11:05:28,520 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/bin-2019/utaipan/data/24a20b4da/934e7c803cdc4b079bfc3f58633e2b6c [2018-11-18 11:05:28,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:05:28,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:05:28,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:05:28,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:05:28,527 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:05:28,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed3aca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28, skipping insertion in model container [2018-11-18 11:05:28,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:05:28,562 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:05:28,775 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:05:28,784 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:05:28,818 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:05:28,869 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:05:28,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28 WrapperNode [2018-11-18 11:05:28,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:05:28,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:05:28,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:05:28,870 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:05:28,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:05:28,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:05:28,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:05:28,943 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:05:28,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (1/1) ... [2018-11-18 11:05:28,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:05:28,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:05:28,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:05:28,969 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:05:28,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d0f3b08-5085-4797-9492-4459fe5451e3/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 [2018-11-18 11:05:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:05:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 11:05:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-18 11:05:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-18 11:05:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 11:05:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 11:05:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:05:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:05:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:05:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:05:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:05:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:05:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:05:29,009 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 11:05:29,213 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:05:29,231 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:29,231 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:29,231 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:29,231 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:29,232 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:29,232 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:05:29,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:05:29 BasicIcfg [2018-11-18 11:05:29,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:05:29,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:05:29,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:05:29,241 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:05:29,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:05:28" (1/3) ... [2018-11-18 11:05:29,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2ccd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:05:29, skipping insertion in model container [2018-11-18 11:05:29,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:28" (2/3) ... [2018-11-18 11:05:29,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2ccd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:05:29, skipping insertion in model container [2018-11-18 11:05:29,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:05:29" (3/3) ... [2018-11-18 11:05:29,244 INFO L112 eAbstractionObserver]: Analyzing ICFG 15_dekker_true-unreach-call.i_BEv2 [2018-11-18 11:05:29,251 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:05:29,255 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-18 11:05:29,263 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-18 11:05:29,279 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:05:29,280 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:05:29,280 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:05:29,280 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:05:29,280 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:05:29,280 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:05:29,280 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:05:29,280 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:05:29,280 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:05:29,286 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2018-11-18 11:05:29,289 INFO L168 Benchmark]: Toolchain (without parser) took 765.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:05:29,290 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:05:29,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.79 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. [2018-11-18 11:05:29,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 911.1 MB in the beginning and 1.2 GB in the end (delta: -240.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:05:29,291 INFO L168 Benchmark]: Boogie Preprocessor took 26.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:05:29,291 INFO L168 Benchmark]: RCFGBuilder took 269.07 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:05:29,292 INFO L168 Benchmark]: TraceAbstraction took 49.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:05:29,294 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.79 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 72.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 911.1 MB in the beginning and 1.2 GB in the end (delta: -240.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 269.07 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 49.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...