./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest_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_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/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 39dd5333d8059d029bfdaac7c17c475fbf8b952f ...................................................................................................................................................................................................................... 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_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/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 39dd5333d8059d029bfdaac7c17c475fbf8b952f ..................................................................................................................................................................................................................... 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 05:10:42,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:10:42,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:10:42,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:10:42,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:10:42,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:10:42,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:10:42,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:10:42,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:10:42,802 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:10:42,803 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:10:42,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:10:42,804 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:10:42,805 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:10:42,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:10:42,806 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:10:42,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:10:42,809 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:10:42,811 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:10:42,812 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:10:42,813 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:10:42,814 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:10:42,816 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:10:42,817 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:10:42,817 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:10:42,817 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:10:42,818 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:10:42,819 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:10:42,819 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:10:42,821 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:10:42,821 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:10:42,822 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:10:42,822 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:10:42,822 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:10:42,823 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:10:42,823 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:10:42,824 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:10:42,835 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:10:42,835 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:10:42,836 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:10:42,836 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:10:42,837 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:10:42,837 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:10:42,837 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:10:42,837 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:10:42,837 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:10:42,837 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:10:42,838 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:10:42,838 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:10:42,838 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:10:42,838 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:10:42,839 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:10:42,839 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:10:42,839 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:10:42,839 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:10:42,839 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:10:42,839 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:10:42,839 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:10:42,839 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:10:42,840 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:10:42,840 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:10:42,840 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:10:42,840 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:10:42,842 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:10:42,843 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:10:42,843 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:10:42,843 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:10:42,843 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:10:42,843 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:10:42,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:10:42,843 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:10:42,844 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_9304dd8d-f087-48cf-9051-0be86eff09db/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 -> 39dd5333d8059d029bfdaac7c17c475fbf8b952f [2018-10-27 05:10:42,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:10:42,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:10:42,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:10:42,886 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:10:42,887 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:10:42,887 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest_true-unreach-call.i [2018-10-27 05:10:42,935 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/data/291d4c00b/b2a4a677bd524171ac735bd49528c604/FLAGa2655d791 [2018-10-27 05:10:43,390 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:10:43,391 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/sv-benchmarks/c/pthread-ext/26_stack_cas_longest_true-unreach-call.i [2018-10-27 05:10:43,405 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/data/291d4c00b/b2a4a677bd524171ac735bd49528c604/FLAGa2655d791 [2018-10-27 05:10:43,419 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/data/291d4c00b/b2a4a677bd524171ac735bd49528c604 [2018-10-27 05:10:43,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:10:43,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:10:43,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:43,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:10:43,430 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:10:43,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:43,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b145fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43, skipping insertion in model container [2018-10-27 05:10:43,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:43,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:10:43,483 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:10:43,771 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:43,852 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:10:43,916 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:43,981 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:10:43,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43 WrapperNode [2018-10-27 05:10:43,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:43,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:43,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:10:43,982 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:10:44,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:44,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:44,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:44,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:10:44,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:10:44,212 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:10:44,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:44,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:44,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:44,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:44,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:44,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:44,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43" (1/1) ... [2018-10-27 05:10:44,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:10:44,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:10:44,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:10:44,336 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:10:44,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/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 05:10:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_assert [2018-10-27 05:10:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_assert [2018-10-27 05:10:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-10-27 05:10:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-10-27 05:10:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:10:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:10:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2018-10-27 05:10:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2018-10-27 05:10:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:10:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:10:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure push_loop [2018-10-27 05:10:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure push_loop [2018-10-27 05:10:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:10:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:10:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure index_malloc [2018-10-27 05:10:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure index_malloc [2018-10-27 05:10:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2018-10-27 05:10:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2018-10-27 05:10:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2018-10-27 05:10:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2018-10-27 05:10:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2018-10-27 05:10:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2018-10-27 05:10:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2018-10-27 05:10:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2018-10-27 05:10:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:10:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:10:44,415 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 05:10:47,876 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:10:47,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:47,943 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:47,944 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:10:47,947 INFO L168 Benchmark]: Toolchain (without parser) took 4523.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:47,950 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:47,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.42 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 907.4 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:47,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 228.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 907.4 MB in the beginning and 1.1 GB in the end (delta: -223.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:47,952 INFO L168 Benchmark]: Boogie Preprocessor took 124.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:47,953 INFO L168 Benchmark]: RCFGBuilder took 3610.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 250.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:47,960 INFO L336 ainManager$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 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 556.42 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 907.4 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 228.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 907.4 MB in the beginning and 1.1 GB in the end (delta: -223.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.18 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3610.54 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: 40.3 MB). Peak memory consumption was 250.8 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 05:10:49,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:10:49,858 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:10:49,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:10:49,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:10:49,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:10:49,869 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:10:49,870 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:10:49,871 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:10:49,872 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:10:49,872 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:10:49,873 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:10:49,873 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:10:49,874 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:10:49,875 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:10:49,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:10:49,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:10:49,877 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:10:49,879 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:10:49,880 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:10:49,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:10:49,881 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:10:49,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:10:49,884 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:10:49,884 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:10:49,884 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:10:49,885 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:10:49,886 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:10:49,887 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:10:49,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:10:49,888 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:10:49,888 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:10:49,888 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:10:49,889 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:10:49,889 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:10:49,890 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:10:49,890 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:10:49,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:10:49,902 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:10:49,902 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:10:49,903 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:10:49,903 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:10:49,903 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:10:49,903 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:10:49,904 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:10:49,904 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:10:49,904 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:10:49,904 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:10:49,905 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:10:49,905 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:10:49,905 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:10:49,905 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:10:49,905 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:10:49,905 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:10:49,906 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:10:49,906 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:10:49,906 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:10:49,906 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:10:49,906 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:10:49,907 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:10:49,907 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:10:49,907 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:10:49,907 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:10:49,907 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:10:49,907 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:10:49,908 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:10:49,908 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:10:49,908 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:10:49,908 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:10:49,908 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_9304dd8d-f087-48cf-9051-0be86eff09db/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 -> 39dd5333d8059d029bfdaac7c17c475fbf8b952f [2018-10-27 05:10:49,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:10:49,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:10:49,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:10:49,962 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:10:49,962 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:10:49,963 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest_true-unreach-call.i [2018-10-27 05:10:50,008 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/data/180039f91/48dabee98f0a4ee0bd187e94a1b18764/FLAG4893a59ba [2018-10-27 05:10:50,479 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:10:50,479 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/sv-benchmarks/c/pthread-ext/26_stack_cas_longest_true-unreach-call.i [2018-10-27 05:10:50,492 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/data/180039f91/48dabee98f0a4ee0bd187e94a1b18764/FLAG4893a59ba [2018-10-27 05:10:50,506 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/bin-2019/utaipan/data/180039f91/48dabee98f0a4ee0bd187e94a1b18764 [2018-10-27 05:10:50,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:10:50,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:10:50,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:50,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:10:50,516 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:10:50,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:50" (1/1) ... [2018-10-27 05:10:50,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb1a773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:50, skipping insertion in model container [2018-10-27 05:10:50,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:50" (1/1) ... [2018-10-27 05:10:50,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:10:50,575 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:10:50,965 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:51,069 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:10:51,140 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:51,263 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:10:51,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51 WrapperNode [2018-10-27 05:10:51,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:51,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:51,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:10:51,264 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:10:51,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:51,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:10:51,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:10:51,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:10:51,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:10:51,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:10:51,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:10:51,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:10:51,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9304dd8d-f087-48cf-9051-0be86eff09db/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 05:10:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_assert [2018-10-27 05:10:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_assert [2018-10-27 05:10:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-10-27 05:10:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-10-27 05:10:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:10:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:10:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2018-10-27 05:10:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2018-10-27 05:10:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:10:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:10:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure push_loop [2018-10-27 05:10:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure push_loop [2018-10-27 05:10:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:10:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:10:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure index_malloc [2018-10-27 05:10:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure index_malloc [2018-10-27 05:10:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2018-10-27 05:10:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2018-10-27 05:10:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2018-10-27 05:10:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2018-10-27 05:10:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2018-10-27 05:10:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2018-10-27 05:10:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2018-10-27 05:10:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2018-10-27 05:10:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:10:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:10:51,627 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 05:10:56,042 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:10:56,158 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:56,158 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:56,159 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:10:56,161 INFO L168 Benchmark]: Toolchain (without parser) took 5651.13 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 947.8 MB in the beginning and 1.2 GB in the end (delta: -256.8 MB). Peak memory consumption was 291.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:56,163 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:56,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.31 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 899.5 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:56,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 899.5 MB in the beginning and 1.1 GB in the end (delta: -235.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:56,167 INFO L168 Benchmark]: Boogie Preprocessor took 88.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:56,167 INFO L168 Benchmark]: RCFGBuilder took 4621.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -76.0 MB). Peak memory consumption was 314.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:56,171 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 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 751.31 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 899.5 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 186.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 899.5 MB in the beginning and 1.1 GB in the end (delta: -235.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.18 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. * RCFGBuilder took 4621.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -76.0 MB). Peak memory consumption was 314.2 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...