./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7d18463df1ccecb78ef9c884b34855756d40cf97 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7d18463df1ccecb78ef9c884b34855756d40cf97 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:12:17,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:17,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:17,849 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:17,849 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:17,851 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:17,852 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:17,853 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:17,854 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:17,855 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:17,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:17,856 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:17,857 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:17,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:17,859 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:17,860 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:17,861 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:17,862 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:17,864 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:17,865 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:17,866 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:17,867 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:17,869 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:17,869 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:17,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:17,871 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:17,872 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:17,872 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:17,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:17,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:17,875 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:17,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:17,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:17,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:17,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:17,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:17,877 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:12:17,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:17,889 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:17,890 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:17,891 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:17,891 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:17,891 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:17,891 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:12:17,891 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:17,891 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:12:17,892 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:12:17,892 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:17,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:17,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:17,893 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:12:17,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:17,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:17,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:17,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:17,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:17,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:17,894 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:17,895 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:17,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:17,896 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:17,896 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:17,896 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:17,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:17,896 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:17,897 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:17,897 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:17,897 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:12:17,897 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:17,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:12:17,897 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:12:17,897 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_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d18463df1ccecb78ef9c884b34855756d40cf97 [2018-10-27 05:12:17,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:17,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:17,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:17,940 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:17,940 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:17,941 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i [2018-10-27 05:12:17,986 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/data/d9e1d4d30/68a79fabdad2455489375f44d27058ec/FLAGba1ce7eff [2018-10-27 05:12:18,453 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:18,454 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i [2018-10-27 05:12:18,465 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/data/d9e1d4d30/68a79fabdad2455489375f44d27058ec/FLAGba1ce7eff [2018-10-27 05:12:18,477 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/data/d9e1d4d30/68a79fabdad2455489375f44d27058ec [2018-10-27 05:12:18,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:18,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:18,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:18,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:18,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:18,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12156533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18, skipping insertion in model container [2018-10-27 05:12:18,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:18,542 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:18,824 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:18,829 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:18,890 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:18,938 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:18,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18 WrapperNode [2018-10-27 05:12:18,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:18,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:18,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:18,940 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:18,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:19,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:19,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:19,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:19,045 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:19,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:19,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:19,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:19,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:19,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:19,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:19,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:19,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:19,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:19,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:19,082 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:19,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/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 05:12:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:12:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:12:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:12:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:12:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:19,143 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 05:12:19,760 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:19,778 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:19,779 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:19,779 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:19,780 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:19,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:19 BasicIcfg [2018-10-27 05:12:19,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:12:19,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:12:19,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:12:19,787 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:12:19,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:12:18" (1/3) ... [2018-10-27 05:12:19,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f70b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:19, skipping insertion in model container [2018-10-27 05:12:19,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (2/3) ... [2018-10-27 05:12:19,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f70b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:19, skipping insertion in model container [2018-10-27 05:12:19,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:19" (3/3) ... [2018-10-27 05:12:19,790 INFO L112 eAbstractionObserver]: Analyzing ICFG 15_dekker_true-unreach-call.i_BEv2 [2018-10-27 05:12:19,798 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:12:19,805 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:12:19,818 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:12:19,839 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:12:19,839 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:12:19,840 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:12:19,840 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:12:19,840 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:12:19,840 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:12:19,840 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:12:19,840 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:12:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-10-27 05:12:19,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:12:19,860 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:12:19,861 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:12:19,863 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 05:12:19,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:12:19,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1251745968, now seen corresponding path program 1 times [2018-10-27 05:12:19,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:12:19,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:12:19,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:12:19,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:12:19,936 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:12:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:20,015 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:12:20,021 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [249] [249] L671-->mainErr0INUSE_VIOLATION: Formula: Thread0_thr1_inUse InVars {Thread0_thr1_inUse=Thread0_thr1_inUse} OutVars{Thread0_thr1_inUse=Thread0_thr1_inUse} AuxVars[] AssignedVars[] because there is no mapped edge [2018-10-27 05:12:20,034 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-10-27 05:12:20,035 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-10-27 05:12:20,035 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-10-27 05:12:20,036 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-10-27 05:12:20,036 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-10-27 05:12:20,036 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-10-27 05:12:20,036 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-10-27 05:12:20,037 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-10-27 05:12:20,037 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-10-27 05:12:20,037 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-10-27 05:12:20,037 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-10-27 05:12:20,037 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-10-27 05:12:20,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-10-27 05:12:20,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-10-27 05:12:20,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-10-27 05:12:20,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-10-27 05:12:20,039 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-10-27 05:12:20,039 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-10-27 05:12:20,039 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-10-27 05:12:20,039 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-10-27 05:12:20,040 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-10-27 05:12:20,040 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-10-27 05:12:20,040 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-10-27 05:12:20,040 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-10-27 05:12:20,040 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-10-27 05:12:20,041 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-10-27 05:12:20,041 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-10-27 05:12:20,041 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] [2018-10-27 05:12:20,041 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] [2018-10-27 05:12:20,041 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] [2018-10-27 05:12:20,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] [2018-10-27 05:12:20,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] [2018-10-27 05:12:20,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] [2018-10-27 05:12:20,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] [2018-10-27 05:12:20,047 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] [2018-10-27 05:12:20,047 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] [2018-10-27 05:12:20,047 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] [2018-10-27 05:12:20,047 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] [2018-10-27 05:12:20,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] [2018-10-27 05:12:20,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] [2018-10-27 05:12:20,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] [2018-10-27 05:12:20,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] [2018-10-27 05:12:20,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] [2018-10-27 05:12:20,049 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] [2018-10-27 05:12:20,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] [2018-10-27 05:12:20,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] [2018-10-27 05:12:20,050 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] [2018-10-27 05:12:20,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] [2018-10-27 05:12:20,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] [2018-10-27 05:12:20,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] [2018-10-27 05:12:20,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] [2018-10-27 05:12:20,053 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,054 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,054 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,054 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] [2018-10-27 05:12:20,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] [2018-10-27 05:12:20,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] [2018-10-27 05:12:20,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] [2018-10-27 05:12:20,055 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] [2018-10-27 05:12:20,056 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] [2018-10-27 05:12:20,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] [2018-10-27 05:12:20,056 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] [2018-10-27 05:12:20,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] [2018-10-27 05:12:20,057 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier63,QUANTIFIED] [2018-10-27 05:12:20,057 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,057 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:20,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier62,QUANTIFIED] [2018-10-27 05:12:20,062 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier61,QUANTIFIED] [2018-10-27 05:12:20,073 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-10-27 05:12:20,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:12:20 BasicIcfg [2018-10-27 05:12:20,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:12:20,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:12:20,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:12:20,079 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:12:20,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:19" (3/4) ... [2018-10-27 05:12:20,082 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:12:20,083 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:139) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) 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 05:12:20,088 INFO L168 Benchmark]: Toolchain (without parser) took 1605.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:20,090 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:20,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.58 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 928.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:20,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 928.5 MB in the beginning and 1.1 GB in the end (delta: -221.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:20,091 INFO L168 Benchmark]: Boogie Preprocessor took 37.61 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:20,092 INFO L168 Benchmark]: RCFGBuilder took 701.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:20,093 INFO L168 Benchmark]: TraceAbstraction took 294.52 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:20,093 INFO L168 Benchmark]: Witness Printer took 8.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:20,098 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 454.58 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 928.5 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 104.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 928.5 MB in the beginning and 1.1 GB in the end (delta: -221.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.61 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 701.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 294.52 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 8.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier62,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier61,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 671]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int flag1 = 0, flag2 = 0; VAL [\old(flag1)=13, \old(flag2)=9, \old(turn)=12, \old(x)=10, flag1=0, flag2=0, freshIdentifier13=7, freshIdentifier14=8, freshIdentifier15=1, turn=12, x=10] [L636] int turn = 0; VAL [\old(flag1)=13, \old(flag2)=9, \old(turn)=12, \old(x)=10, flag1=0, flag2=0, freshIdentifier16=7, freshIdentifier17=8, freshIdentifier18=1, turn=0, x=10] [L637] int x; VAL [\old(flag1)=13, \old(flag2)=9, \old(turn)=12, \old(x)=10, flag1=0, flag2=0, freshIdentifier19=7, freshIdentifier20=8, freshIdentifier21=1, turn=0, x=0] [L670] CALL pthread_t t; [L670] RET pthread_t t; - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 93 locations, 4 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) 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 05:12:21,969 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:21,971 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:21,984 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:21,985 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:21,986 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:21,989 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:21,991 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:21,993 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:21,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:21,996 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:21,997 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:21,998 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:21,998 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:21,999 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:22,000 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:22,000 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:22,010 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:22,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:22,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:22,016 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:22,019 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:22,022 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:22,024 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:22,025 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:22,025 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:22,026 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:22,027 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:22,027 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:22,028 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:22,028 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:22,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:22,029 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:22,029 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:22,032 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:22,033 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:22,034 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:12:22,051 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:22,051 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:22,052 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:22,052 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:22,052 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:22,052 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:22,053 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:22,053 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:22,053 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:22,053 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:22,053 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:22,054 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:22,055 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:22,055 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:22,055 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:22,055 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:12:22,055 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:12:22,056 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:22,056 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:22,056 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:22,056 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:22,056 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:22,056 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:22,056 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:22,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:22,057 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:22,057 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:22,057 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:22,057 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:12:22,057 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:22,057 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:12:22,058 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:12:22,058 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_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d18463df1ccecb78ef9c884b34855756d40cf97 [2018-10-27 05:12:22,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:22,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:22,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:22,110 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:22,110 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:22,111 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i [2018-10-27 05:12:22,163 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/data/94ec96275/08109453389747ad83d0c6d116e3fece/FLAG8c92f6528 [2018-10-27 05:12:22,689 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:22,690 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/sv-benchmarks/c/pthread-ext/15_dekker_true-unreach-call.i [2018-10-27 05:12:22,709 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/data/94ec96275/08109453389747ad83d0c6d116e3fece/FLAG8c92f6528 [2018-10-27 05:12:22,731 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/data/94ec96275/08109453389747ad83d0c6d116e3fece [2018-10-27 05:12:22,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:22,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:22,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:22,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:22,741 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:22,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:22" (1/1) ... [2018-10-27 05:12:22,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72036a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:22, skipping insertion in model container [2018-10-27 05:12:22,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:22" (1/1) ... [2018-10-27 05:12:22,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:22,797 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:23,113 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:23,119 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:23,161 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:23,228 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:23,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23 WrapperNode [2018-10-27 05:12:23,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:23,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:23,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:23,229 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:23,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (1/1) ... [2018-10-27 05:12:23,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (1/1) ... [2018-10-27 05:12:23,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:23,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:23,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:23,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:23,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (1/1) ... [2018-10-27 05:12:23,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (1/1) ... [2018-10-27 05:12:23,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (1/1) ... [2018-10-27 05:12:23,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (1/1) ... [2018-10-27 05:12:23,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (1/1) ... [2018-10-27 05:12:23,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (1/1) ... [2018-10-27 05:12:23,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (1/1) ... [2018-10-27 05:12:23,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:23,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:23,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:23,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:23,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/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 05:12:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:12:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:12:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:12:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:12:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:23,510 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 05:12:23,985 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:24,004 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:24,005 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:24,006 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:24,006 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:24,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:24 BasicIcfg [2018-10-27 05:12:24,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:12:24,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:12:24,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:12:24,015 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:12:24,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:12:22" (1/3) ... [2018-10-27 05:12:24,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145c5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:24, skipping insertion in model container [2018-10-27 05:12:24,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:23" (2/3) ... [2018-10-27 05:12:24,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145c5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:24, skipping insertion in model container [2018-10-27 05:12:24,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:24" (3/3) ... [2018-10-27 05:12:24,017 INFO L112 eAbstractionObserver]: Analyzing ICFG 15_dekker_true-unreach-call.i_BEv2 [2018-10-27 05:12:24,027 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:12:24,034 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:12:24,047 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:12:24,069 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 05:12:24,070 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:12:24,070 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:12:24,070 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:12:24,070 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:12:24,070 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:12:24,071 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:12:24,071 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:12:24,071 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:12:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-10-27 05:12:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:12:24,091 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:12:24,092 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:12:24,094 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 05:12:24,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:12:24,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1251745968, now seen corresponding path program 1 times [2018-10-27 05:12:24,103 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 05:12:24,104 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32cb9b3a-5020-45aa-8261-2c5a47f6196e/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 05:12:24,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:12:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:24,247 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:12:24,253 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [249] [249] L671-->mainErr0INUSE_VIOLATION: Formula: Thread0_thr1_inUse InVars {Thread0_thr1_inUse=Thread0_thr1_inUse} OutVars{Thread0_thr1_inUse=Thread0_thr1_inUse} AuxVars[] AssignedVars[] because there is no mapped edge [2018-10-27 05:12:24,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-10-27 05:12:24,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-10-27 05:12:24,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-10-27 05:12:24,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-10-27 05:12:24,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-10-27 05:12:24,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-10-27 05:12:24,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-10-27 05:12:24,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-10-27 05:12:24,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-10-27 05:12:24,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-10-27 05:12:24,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-10-27 05:12:24,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-10-27 05:12:24,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-10-27 05:12:24,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-10-27 05:12:24,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-10-27 05:12:24,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-10-27 05:12:24,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-10-27 05:12:24,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-10-27 05:12:24,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-10-27 05:12:24,270 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-10-27 05:12:24,272 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-10-27 05:12:24,272 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-10-27 05:12:24,273 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-10-27 05:12:24,273 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-10-27 05:12:24,273 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-10-27 05:12:24,273 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-10-27 05:12:24,273 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-10-27 05:12:24,274 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] [2018-10-27 05:12:24,274 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] [2018-10-27 05:12:24,274 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] [2018-10-27 05:12:24,274 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] [2018-10-27 05:12:24,274 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] [2018-10-27 05:12:24,275 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] [2018-10-27 05:12:24,275 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] [2018-10-27 05:12:24,275 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] [2018-10-27 05:12:24,281 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] [2018-10-27 05:12:24,281 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] [2018-10-27 05:12:24,281 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] [2018-10-27 05:12:24,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] [2018-10-27 05:12:24,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] [2018-10-27 05:12:24,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] [2018-10-27 05:12:24,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] [2018-10-27 05:12:24,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] [2018-10-27 05:12:24,283 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,283 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] [2018-10-27 05:12:24,283 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] [2018-10-27 05:12:24,283 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] [2018-10-27 05:12:24,284 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] [2018-10-27 05:12:24,284 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,284 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] [2018-10-27 05:12:24,284 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] [2018-10-27 05:12:24,284 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] [2018-10-27 05:12:24,285 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,285 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] [2018-10-27 05:12:24,285 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,285 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,286 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] [2018-10-27 05:12:24,291 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,291 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] [2018-10-27 05:12:24,292 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] [2018-10-27 05:12:24,292 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] [2018-10-27 05:12:24,293 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] [2018-10-27 05:12:24,293 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,293 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,293 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] [2018-10-27 05:12:24,293 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] [2018-10-27 05:12:24,294 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] [2018-10-27 05:12:24,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] [2018-10-27 05:12:24,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier62,QUANTIFIED] [2018-10-27 05:12:24,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier61,QUANTIFIED] [2018-10-27 05:12:24,295 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier63,QUANTIFIED] [2018-10-27 05:12:24,295 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:24,310 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-10-27 05:12:24,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:12:24 BasicIcfg [2018-10-27 05:12:24,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:12:24,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:12:24,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:12:24,319 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:12:24,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:24" (3/4) ... [2018-10-27 05:12:24,322 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:12:24,323 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:139) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) 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 05:12:24,325 INFO L168 Benchmark]: Toolchain (without parser) took 1589.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:24,326 INFO L168 Benchmark]: CDTParser took 0.16 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 05:12:24,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.18 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 05:12:24,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.83 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 05:12:24,328 INFO L168 Benchmark]: Boogie Preprocessor took 55.82 ms. Allocated memory is still 1.0 GB. Free memory was 915.7 MB in the beginning and 908.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:24,328 INFO L168 Benchmark]: RCFGBuilder took 677.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 908.9 MB in the beginning and 1.1 GB in the end (delta: -227.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:24,329 INFO L168 Benchmark]: TraceAbstraction took 305.33 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:24,330 INFO L168 Benchmark]: Witness Printer took 7.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:24,335 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 491.18 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 48.83 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 55.82 ms. Allocated memory is still 1.0 GB. Free memory was 915.7 MB in the beginning and 908.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 677.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 908.9 MB in the beginning and 1.1 GB in the end (delta: -227.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 305.33 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Witness Printer took 7.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier62,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier61,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 671]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int flag1 = 0, flag2 = 0; VAL [\old(flag1)=9, \old(flag2)=11, \old(turn)=12, \old(x)=10, flag1=0, flag2=0, freshIdentifier13=5, freshIdentifier14=8, freshIdentifier15=1, turn=12, x=10] [L636] int turn = 0; VAL [\old(flag1)=9, \old(flag2)=11, \old(turn)=12, \old(x)=10, flag1=0, flag2=0, freshIdentifier16=5, freshIdentifier17=8, freshIdentifier18=1, turn=0, x=10] [L637] int x; VAL [\old(flag1)=9, \old(flag2)=11, \old(turn)=12, \old(x)=10, flag1=0, flag2=0, freshIdentifier19=5, freshIdentifier20=8, freshIdentifier21=1, turn=0, x=0] [L670] CALL pthread_t t; [L670] RET pthread_t t; - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 93 locations, 4 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...