./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_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_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/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 c97acbedf71345bee708d86a717fb796a6f76ada ................................................................................................................................................................................................................. 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_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/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 c97acbedf71345bee708d86a717fb796a6f76ada ............................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:09:01,735 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:09:01,737 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:09:01,746 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:09:01,746 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:09:01,746 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:09:01,747 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:09:01,749 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:09:01,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:09:01,755 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:09:01,757 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:09:01,758 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:09:01,758 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:09:01,759 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:09:01,760 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:09:01,760 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:09:01,761 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:09:01,762 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:09:01,773 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:09:01,774 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:09:01,775 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:09:01,776 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:09:01,777 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:09:01,778 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:09:01,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:09:01,778 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:09:01,782 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:09:01,782 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:09:01,783 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:09:01,785 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:09:01,786 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:09:01,786 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:09:01,786 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:09:01,787 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:09:01,787 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:09:01,788 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:09:01,788 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:09:01,804 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:09:01,807 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:09:01,808 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:09:01,808 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:09:01,808 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:09:01,808 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:09:01,809 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:09:01,809 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:09:01,809 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:09:01,810 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:09:01,810 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:09:01,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:09:01,811 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:09:01,811 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:09:01,811 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:09:01,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:09:01,811 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:09:01,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:09:01,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:09:01,812 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:09:01,812 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:09:01,812 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:09:01,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:09:01,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:09:01,812 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:09:01,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:09:01,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:09:01,813 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:09:01,813 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:09:01,813 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:09:01,813 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:09:01,813 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:09:01,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:09:01,813 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:09:01,814 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_736f8548-872b-444a-81c7-718d9f4de2a7/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 -> c97acbedf71345bee708d86a717fb796a6f76ada [2018-10-27 05:09:01,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:09:01,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:09:01,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:09:01,864 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:09:01,864 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:09:01,865 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-10-27 05:09:01,912 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/data/bde7934d7/3b440b998c7d45d5a8d558d2dc0851a6/FLAG387114f67 [2018-10-27 05:09:02,344 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:09:02,345 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-10-27 05:09:02,353 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/data/bde7934d7/3b440b998c7d45d5a8d558d2dc0851a6/FLAG387114f67 [2018-10-27 05:09:02,364 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/data/bde7934d7/3b440b998c7d45d5a8d558d2dc0851a6 [2018-10-27 05:09:02,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:09:02,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:09:02,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:09:02,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:09:02,371 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:09:02,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aa830b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02, skipping insertion in model container [2018-10-27 05:09:02,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:09:02,418 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:09:02,656 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:09:02,659 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:09:02,691 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:09:02,740 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:09:02,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02 WrapperNode [2018-10-27 05:09:02,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:09:02,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:09:02,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:09:02,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:09:02,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:09:02,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:09:02,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:09:02,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:09:02,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02" (1/1) ... [2018-10-27 05:09:02,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:09:02,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:09:02,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:09:02,883 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:09:02,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:09:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:09:02,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:09:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:09:02,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:09:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:09:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:09:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:09:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:09:02,941 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:09:03,473 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:09:03,495 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:09:03,495 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:09:03,496 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:09:03,496 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:09:03,497 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:09:03,505 INFO L168 Benchmark]: Toolchain (without parser) took 1138.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:09:03,506 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:09:03,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:03,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 922.2 MB in the beginning and 1.1 GB in the end (delta: -215.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:03,508 INFO L168 Benchmark]: Boogie Preprocessor took 34.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:03,508 INFO L168 Benchmark]: RCFGBuilder took 626.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:03,511 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 922.2 MB in the beginning and 1.1 GB in the end (delta: -215.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.36 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 626.77 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:09:05,292 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:09:05,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:09:05,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:09:05,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:09:05,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:09:05,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:09:05,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:09:05,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:09:05,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:09:05,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:09:05,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:09:05,315 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:09:05,316 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:09:05,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:09:05,317 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:09:05,318 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:09:05,320 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:09:05,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:09:05,322 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:09:05,323 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:09:05,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:09:05,325 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:09:05,326 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:09:05,326 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:09:05,327 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:09:05,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:09:05,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:09:05,328 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:09:05,329 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:09:05,329 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:09:05,330 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:09:05,330 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:09:05,330 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:09:05,331 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:09:05,331 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:09:05,332 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:09:05,342 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:09:05,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:09:05,343 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:09:05,343 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:09:05,344 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:09:05,344 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:09:05,344 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:09:05,344 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:09:05,344 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:09:05,345 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:09:05,345 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:09:05,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:09:05,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:09:05,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:09:05,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:09:05,345 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:09:05,346 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:09:05,346 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:09:05,346 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:09:05,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:09:05,346 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:09:05,346 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:09:05,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:09:05,347 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:09:05,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:09:05,347 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:09:05,347 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:09:05,347 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:09:05,347 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:09:05,347 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:09:05,348 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:09:05,348 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:09:05,348 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_736f8548-872b-444a-81c7-718d9f4de2a7/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 -> c97acbedf71345bee708d86a717fb796a6f76ada [2018-10-27 05:09:05,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:09:05,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:09:05,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:09:05,392 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:09:05,392 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:09:05,392 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-10-27 05:09:05,438 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/data/91968371f/d9c446e385dd42a1a862783cd80ce0f7/FLAG75ce1b4bc [2018-10-27 05:09:05,872 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:09:05,873 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-10-27 05:09:05,882 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/data/91968371f/d9c446e385dd42a1a862783cd80ce0f7/FLAG75ce1b4bc [2018-10-27 05:09:05,894 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/data/91968371f/d9c446e385dd42a1a862783cd80ce0f7 [2018-10-27 05:09:05,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:09:05,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:09:05,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:09:05,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:09:05,901 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:09:05,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:09:05" (1/1) ... [2018-10-27 05:09:05,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9cd7454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:05, skipping insertion in model container [2018-10-27 05:09:05,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:09:05" (1/1) ... [2018-10-27 05:09:05,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:09:05,961 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:09:06,221 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:09:06,226 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:09:06,260 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:09:06,321 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:09:06,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06 WrapperNode [2018-10-27 05:09:06,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:09:06,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:09:06,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:09:06,322 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:09:06,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06" (1/1) ... [2018-10-27 05:09:06,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06" (1/1) ... [2018-10-27 05:09:06,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:09:06,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:09:06,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:09:06,368 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:09:06,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06" (1/1) ... [2018-10-27 05:09:06,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06" (1/1) ... [2018-10-27 05:09:06,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06" (1/1) ... [2018-10-27 05:09:06,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06" (1/1) ... [2018-10-27 05:09:06,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06" (1/1) ... [2018-10-27 05:09:06,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06" (1/1) ... [2018-10-27 05:09:06,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06" (1/1) ... [2018-10-27 05:09:06,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:09:06,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:09:06,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:09:06,418 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:09:06,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_736f8548-872b-444a-81c7-718d9f4de2a7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:09:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:09:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:09:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:09:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:09:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:09:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:09:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:09:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:09:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:09:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:09:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:09:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:09:06,555 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:09:07,051 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:09:07,073 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:09:07,073 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:09:07,074 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:09:07,074 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:09:07,074 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:09:07,079 INFO L168 Benchmark]: Toolchain (without parser) took 1180.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:07,080 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:09:07,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.88 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 921.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:07,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.59 ms. Allocated memory is still 1.0 GB. Free memory was 921.0 MB in the beginning and 915.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:07,082 INFO L168 Benchmark]: Boogie Preprocessor took 49.70 ms. Allocated memory is still 1.0 GB. Free memory was 915.7 MB in the beginning and 910.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:07,082 INFO L168 Benchmark]: RCFGBuilder took 660.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 910.3 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:07,085 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.88 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 921.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.59 ms. Allocated memory is still 1.0 GB. Free memory was 921.0 MB in the beginning and 915.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.70 ms. Allocated memory is still 1.0 GB. Free memory was 915.7 MB in the beginning and 910.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 660.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 910.3 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...