./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/16_peterson_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_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/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 a6a89f9f46b1412575f1266b3402a81524b5e7b5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/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 a6a89f9f46b1412575f1266b3402a81524b5e7b5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:11:13,797 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:11:13,798 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:11:13,808 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:11:13,809 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:11:13,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:11:13,811 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:11:13,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:11:13,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:11:13,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:11:13,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:11:13,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:11:13,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:11:13,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:11:13,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:11:13,820 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:11:13,821 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:11:13,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:11:13,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:11:13,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:11:13,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:11:13,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:11:13,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:11:13,829 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:11:13,829 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:11:13,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:11:13,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:11:13,832 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:11:13,833 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:11:13,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:11:13,834 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:11:13,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:11:13,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:11:13,835 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:11:13,836 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:11:13,837 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:11:13,837 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:11:13,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:11:13,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:11:13,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:11:13,851 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:11:13,851 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:11:13,852 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:11:13,852 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:11:13,852 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:11:13,852 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:11:13,852 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:11:13,852 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:11:13,853 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:11:13,853 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:11:13,853 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:11:13,853 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:11:13,854 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:11:13,854 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:11:13,854 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:11:13,854 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:11:13,854 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:11:13,854 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:11:13,855 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:11:13,855 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:11:13,855 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:11:13,857 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:11:13,857 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:11:13,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:11:13,858 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:11:13,858 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:11:13,858 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:11:13,858 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:11:13,858 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:11:13,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:11:13,859 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:11:13,859 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_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/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 -> a6a89f9f46b1412575f1266b3402a81524b5e7b5 [2018-10-27 05:11:13,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:11:13,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:11:13,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:11:13,907 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:11:13,908 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:11:13,908 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i [2018-10-27 05:11:13,958 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/data/56578a28a/820767a6125942af8581317f2972f165/FLAG383d538d7 [2018-10-27 05:11:14,402 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:11:14,403 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i [2018-10-27 05:11:14,415 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/data/56578a28a/820767a6125942af8581317f2972f165/FLAG383d538d7 [2018-10-27 05:11:14,435 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/data/56578a28a/820767a6125942af8581317f2972f165 [2018-10-27 05:11:14,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:11:14,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:11:14,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:14,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:11:14,444 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:11:14,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:14,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1640fc12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14, skipping insertion in model container [2018-10-27 05:11:14,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:14,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:11:14,496 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:11:14,791 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:14,796 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:11:14,854 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:14,918 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:11:14,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14 WrapperNode [2018-10-27 05:11:14,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:14,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:11:14,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:11:14,920 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:11:14,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:14,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:15,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:11:15,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:11:15,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:11:15,016 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:11:15,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:15,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:15,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:15,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:15,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:15,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:15,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (1/1) ... [2018-10-27 05:11:15,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:11:15,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:11:15,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:11:15,037 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:11:15,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/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 05:11:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:11:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:11:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:11:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:11:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:11:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:11:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:11:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:11:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:11:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:11:15,084 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 05:11:15,803 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:11:15,823 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:15,823 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:15,824 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:15,824 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:15,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:15 BasicIcfg [2018-10-27 05:11:15,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:11:15,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:11:15,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:11:15,845 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:11:15,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:11:14" (1/3) ... [2018-10-27 05:11:15,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3fac04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:11:15, skipping insertion in model container [2018-10-27 05:11:15,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:14" (2/3) ... [2018-10-27 05:11:15,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3fac04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:11:15, skipping insertion in model container [2018-10-27 05:11:15,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:15" (3/3) ... [2018-10-27 05:11:15,849 INFO L112 eAbstractionObserver]: Analyzing ICFG 16_peterson_true-unreach-call.i_BEv2 [2018-10-27 05:11:15,859 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:11:15,869 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:11:15,879 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:11:15,906 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:11:15,908 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:11:15,908 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:11:15,908 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:11:15,908 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:11:15,908 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:11:15,908 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:11:15,909 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:11:15,929 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-10-27 05:11:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:11:15,935 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:11:15,936 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 05:11:15,939 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 05:11:15,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:11:15,944 INFO L82 PathProgramCache]: Analyzing trace with hash 381989233, now seen corresponding path program 1 times [2018-10-27 05:11:15,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:11:16,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:11:16,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:11:16,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:11:16,013 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:11:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:11:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:11:16,103 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:11:16,111 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [183] [183] L659-->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 05:11:16,126 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-10-27 05:11:16,127 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-10-27 05:11:16,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-10-27 05:11:16,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-10-27 05:11:16,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-10-27 05:11:16,128 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-10-27 05:11:16,129 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-10-27 05:11:16,129 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-10-27 05:11:16,129 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-10-27 05:11:16,129 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-10-27 05:11:16,130 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-10-27 05:11:16,130 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-10-27 05:11:16,130 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-10-27 05:11:16,131 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-10-27 05:11:16,131 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-10-27 05:11:16,133 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-10-27 05:11:16,134 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-10-27 05:11:16,134 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-10-27 05:11:16,134 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-10-27 05:11:16,134 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-10-27 05:11:16,135 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-10-27 05:11:16,135 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-10-27 05:11:16,135 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-10-27 05:11:16,135 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-10-27 05:11:16,136 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-10-27 05:11:16,136 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-10-27 05:11:16,136 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-10-27 05:11:16,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] [2018-10-27 05:11:16,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] [2018-10-27 05:11:16,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] [2018-10-27 05:11:16,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] [2018-10-27 05:11:16,138 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] [2018-10-27 05:11:16,138 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] [2018-10-27 05:11:16,138 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] [2018-10-27 05:11:16,138 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] [2018-10-27 05:11:16,139 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] [2018-10-27 05:11:16,139 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] [2018-10-27 05:11:16,143 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] [2018-10-27 05:11:16,143 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] [2018-10-27 05:11:16,144 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] [2018-10-27 05:11:16,144 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] [2018-10-27 05:11:16,144 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] [2018-10-27 05:11:16,144 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] [2018-10-27 05:11:16,145 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] [2018-10-27 05:11:16,145 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,145 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] [2018-10-27 05:11:16,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] [2018-10-27 05:11:16,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] [2018-10-27 05:11:16,146 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] [2018-10-27 05:11:16,146 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,147 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,149 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] [2018-10-27 05:11:16,150 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] [2018-10-27 05:11:16,150 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] [2018-10-27 05:11:16,150 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] [2018-10-27 05:11:16,150 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,151 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] [2018-10-27 05:11:16,151 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] [2018-10-27 05:11:16,151 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,151 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] [2018-10-27 05:11:16,152 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] [2018-10-27 05:11:16,152 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,152 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,152 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] [2018-10-27 05:11:16,152 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] [2018-10-27 05:11:16,153 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] [2018-10-27 05:11:16,153 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,153 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,153 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] [2018-10-27 05:11:16,154 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier62,QUANTIFIED] [2018-10-27 05:11:16,154 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,154 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:16,154 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier61,QUANTIFIED] [2018-10-27 05:11:16,154 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier63,QUANTIFIED] [2018-10-27 05:11:16,170 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-10-27 05:11:16,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:11:16 BasicIcfg [2018-10-27 05:11:16,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:11:16,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:11:16,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:11:16,175 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:11:16,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:15" (3/4) ... [2018-10-27 05:11:16,179 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:11:16,180 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 05:11:16,183 INFO L168 Benchmark]: Toolchain (without parser) took 1744.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:16,185 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:11:16,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.99 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 927.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:16,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 927.0 MB in the beginning and 1.2 GB in the end (delta: -227.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:16,187 INFO L168 Benchmark]: Boogie Preprocessor took 20.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:16,190 INFO L168 Benchmark]: RCFGBuilder took 804.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:16,191 INFO L168 Benchmark]: TraceAbstraction took 332.30 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 05:11:16,191 INFO L168 Benchmark]: Witness Printer took 7.45 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 05:11:16,196 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 478.99 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 927.0 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 96.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 927.0 MB in the beginning and 1.2 GB in the end (delta: -227.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 804.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 332.30 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 7.45 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[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[freshIdentifier2,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[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[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[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[freshIdentifier11,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[freshIdentifier17,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[freshIdentifier16,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[freshIdentifier24,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[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[freshIdentifier25,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[freshIdentifier30,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[freshIdentifier32,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[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[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[freshIdentifier38,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[freshIdentifier40,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[freshIdentifier44,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[freshIdentifier48,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[freshIdentifier46,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[freshIdentifier49,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[freshIdentifier54,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[freshIdentifier52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,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[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 Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,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[freshIdentifier60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier62,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[freshIdentifier61,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier63,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 659]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int turn; VAL [\old(flag1)=13, \old(flag2)=9, \old(turn)=12, \old(x)=10, flag1=13, flag2=9, freshIdentifier10=7, freshIdentifier11=8, freshIdentifier12=1, turn=0, x=10] [L636] int x; VAL [\old(flag1)=13, \old(flag2)=9, \old(turn)=12, \old(x)=10, flag1=13, flag2=9, freshIdentifier13=7, freshIdentifier14=8, freshIdentifier15=1, turn=0, x=0] [L637] int flag1 = 0, flag2 = 0; 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] [L658] CALL pthread_t t; [L658] RET pthread_t t; - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 78 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=65occurred 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 05:11:18,316 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:11:18,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:11:18,327 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:11:18,327 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:11:18,328 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:11:18,329 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:11:18,330 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:11:18,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:11:18,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:11:18,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:11:18,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:11:18,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:11:18,339 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:11:18,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:11:18,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:11:18,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:11:18,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:11:18,351 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:11:18,353 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:11:18,354 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:11:18,355 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:11:18,357 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:11:18,357 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:11:18,357 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:11:18,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:11:18,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:11:18,360 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:11:18,361 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:11:18,362 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:11:18,362 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:11:18,363 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:11:18,363 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:11:18,364 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:11:18,364 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:11:18,365 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:11:18,365 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:11:18,378 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:11:18,378 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:11:18,379 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:11:18,379 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:11:18,379 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:11:18,379 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:11:18,380 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:11:18,380 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:11:18,380 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:11:18,381 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:11:18,381 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:11:18,381 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:11:18,381 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:11:18,381 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:11:18,381 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:11:18,381 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:11:18,382 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:11:18,382 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:11:18,382 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:11:18,382 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:11:18,382 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:11:18,382 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:11:18,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:11:18,383 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:11:18,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:11:18,385 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:11:18,385 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:11:18,386 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:11:18,386 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:11:18,386 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:11:18,386 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:11:18,386 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:11:18,386 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_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/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 -> a6a89f9f46b1412575f1266b3402a81524b5e7b5 [2018-10-27 05:11:18,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:11:18,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:11:18,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:11:18,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:11:18,463 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:11:18,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i [2018-10-27 05:11:18,507 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/data/382f92ac9/75c94b9502164af2ab882a196c67f9e0/FLAG702a74262 [2018-10-27 05:11:19,012 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:11:19,015 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i [2018-10-27 05:11:19,031 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/data/382f92ac9/75c94b9502164af2ab882a196c67f9e0/FLAG702a74262 [2018-10-27 05:11:19,045 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/bin-2019/utaipan/data/382f92ac9/75c94b9502164af2ab882a196c67f9e0 [2018-10-27 05:11:19,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:11:19,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:11:19,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:19,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:11:19,056 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:11:19,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c416fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19, skipping insertion in model container [2018-10-27 05:11:19,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:11:19,103 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:11:19,374 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:19,379 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:11:19,418 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:19,481 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:11:19,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19 WrapperNode [2018-10-27 05:11:19,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:19,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:11:19,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:11:19,482 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:11:19,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:11:19,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:11:19,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:11:19,524 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:11:19,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (1/1) ... [2018-10-27 05:11:19,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:11:19,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:11:19,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:11:19,569 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:11:19,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/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 05:11:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:11:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:11:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:11:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:11:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:11:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:11:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:11:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:11:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:11:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:11:19,700 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 05:11:20,197 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:11:20,217 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:20,217 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:20,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:20,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:20,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:20 BasicIcfg [2018-10-27 05:11:20,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:11:20,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:11:20,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:11:20,225 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:11:20,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:11:19" (1/3) ... [2018-10-27 05:11:20,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d65f7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:11:20, skipping insertion in model container [2018-10-27 05:11:20,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:19" (2/3) ... [2018-10-27 05:11:20,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d65f7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:11:20, skipping insertion in model container [2018-10-27 05:11:20,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:20" (3/3) ... [2018-10-27 05:11:20,228 INFO L112 eAbstractionObserver]: Analyzing ICFG 16_peterson_true-unreach-call.i_BEv2 [2018-10-27 05:11:20,235 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:11:20,248 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:11:20,263 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:11:20,289 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 05:11:20,290 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:11:20,290 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:11:20,290 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:11:20,290 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:11:20,291 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:11:20,291 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:11:20,291 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:11:20,291 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:11:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-10-27 05:11:20,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:11:20,312 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:11:20,313 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 05:11:20,315 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 05:11:20,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:11:20,320 INFO L82 PathProgramCache]: Analyzing trace with hash 381989233, now seen corresponding path program 1 times [2018-10-27 05:11:20,324 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 05:11:20,325 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f3b56d2-6de3-43d7-95fa-7a7e5ea04dfa/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 05:11:20,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:11:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:11:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:11:20,488 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:11:20,497 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [183] [183] L659-->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 05:11:20,510 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-10-27 05:11:20,510 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-10-27 05:11:20,511 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-10-27 05:11:20,511 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-10-27 05:11:20,511 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-10-27 05:11:20,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-10-27 05:11:20,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-10-27 05:11:20,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-10-27 05:11:20,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-10-27 05:11:20,513 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-10-27 05:11:20,513 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-10-27 05:11:20,513 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-10-27 05:11:20,513 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-10-27 05:11:20,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-10-27 05:11:20,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-10-27 05:11:20,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-10-27 05:11:20,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-10-27 05:11:20,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-10-27 05:11:20,515 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-10-27 05:11:20,518 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-10-27 05:11:20,518 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-10-27 05:11:20,518 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-10-27 05:11:20,518 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-10-27 05:11:20,519 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-10-27 05:11:20,522 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-10-27 05:11:20,523 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-10-27 05:11:20,523 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-10-27 05:11:20,523 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] [2018-10-27 05:11:20,523 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] [2018-10-27 05:11:20,524 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] [2018-10-27 05:11:20,524 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] [2018-10-27 05:11:20,524 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] [2018-10-27 05:11:20,524 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] [2018-10-27 05:11:20,524 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] [2018-10-27 05:11:20,525 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] [2018-10-27 05:11:20,525 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] [2018-10-27 05:11:20,526 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] [2018-10-27 05:11:20,526 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] [2018-10-27 05:11:20,526 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] [2018-10-27 05:11:20,526 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] [2018-10-27 05:11:20,526 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] [2018-10-27 05:11:20,527 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] [2018-10-27 05:11:20,527 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,527 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] [2018-10-27 05:11:20,527 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] [2018-10-27 05:11:20,528 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] [2018-10-27 05:11:20,528 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] [2018-10-27 05:11:20,528 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] [2018-10-27 05:11:20,528 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] [2018-10-27 05:11:20,528 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,529 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] [2018-10-27 05:11:20,529 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] [2018-10-27 05:11:20,529 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,529 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] [2018-10-27 05:11:20,529 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,530 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,530 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] [2018-10-27 05:11:20,530 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] [2018-10-27 05:11:20,530 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] [2018-10-27 05:11:20,531 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,531 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] [2018-10-27 05:11:20,533 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,534 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] [2018-10-27 05:11:20,534 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,534 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] [2018-10-27 05:11:20,534 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] [2018-10-27 05:11:20,535 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,535 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] [2018-10-27 05:11:20,535 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] [2018-10-27 05:11:20,535 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,536 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier61,QUANTIFIED] [2018-10-27 05:11:20,536 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier62,QUANTIFIED] [2018-10-27 05:11:20,536 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier63,QUANTIFIED] [2018-10-27 05:11:20,536 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,536 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:11:20,554 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-10-27 05:11:20,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:11:20 BasicIcfg [2018-10-27 05:11:20,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:11:20,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:11:20,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:11:20,563 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:11:20,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:20" (3/4) ... [2018-10-27 05:11:20,566 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:11:20,567 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 05:11:20,569 INFO L168 Benchmark]: Toolchain (without parser) took 1518.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -125.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:20,571 INFO L168 Benchmark]: CDTParser took 0.46 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 05:11:20,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.23 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 919.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:20,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.47 ms. Allocated memory is still 1.0 GB. Free memory is still 919.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:11:20,572 INFO L168 Benchmark]: Boogie Preprocessor took 45.11 ms. Allocated memory is still 1.0 GB. Free memory was 919.7 MB in the beginning and 914.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:20,573 INFO L168 Benchmark]: RCFGBuilder took 653.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 914.3 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:20,573 INFO L168 Benchmark]: TraceAbstraction took 339.43 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:20,574 INFO L168 Benchmark]: Witness Printer took 5.31 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 05:11:20,581 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 429.23 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 919.7 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 41.47 ms. Allocated memory is still 1.0 GB. Free memory is still 919.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.11 ms. Allocated memory is still 1.0 GB. Free memory was 919.7 MB in the beginning and 914.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 653.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 914.3 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 339.43 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.31 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[freshIdentifier3,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[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[freshIdentifier10,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[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[freshIdentifier13,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[freshIdentifier17,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[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[freshIdentifier24,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[freshIdentifier27,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[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[freshIdentifier32,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[freshIdentifier31,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[freshIdentifier34,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[freshIdentifier38,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[freshIdentifier40,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,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[freshIdentifier43,QUANTIFIED] - 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[freshIdentifier47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,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[freshIdentifier51,QUANTIFIED] - 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 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 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[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[freshIdentifier56,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[freshIdentifier55,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[freshIdentifier59,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[freshIdentifier61,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[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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 659]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int turn; VAL [\old(flag1)=9, \old(flag2)=11, \old(turn)=12, \old(x)=10, flag1=9, flag2=11, freshIdentifier10=5, freshIdentifier11=8, freshIdentifier12=1, turn=0, x=10] [L636] int x; VAL [\old(flag1)=9, \old(flag2)=11, \old(turn)=12, \old(x)=10, flag1=9, flag2=11, freshIdentifier13=5, freshIdentifier14=8, freshIdentifier15=1, turn=0, x=0] [L637] int flag1 = 0, flag2 = 0; 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] [L658] CALL pthread_t t; [L658] RET pthread_t t; - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 78 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=65occurred 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...