./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/17_szymanski_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_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/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 58bdd2dd6f7f4bfbe6fbaedc8a62c157487fbf5c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/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 58bdd2dd6f7f4bfbe6fbaedc8a62c157487fbf5c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 05:11:58,923 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:11:58,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:11:58,936 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:11:58,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:11:58,941 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:11:58,944 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:11:58,946 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:11:58,948 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:11:58,952 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:11:58,954 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:11:58,954 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:11:58,955 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:11:58,955 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:11:58,956 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:11:58,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:11:58,957 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:11:58,962 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:11:58,970 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:11:58,972 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:11:58,974 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:11:58,975 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:11:58,978 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:11:58,980 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:11:58,980 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:11:58,981 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:11:58,982 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:11:58,982 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:11:58,983 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:11:58,984 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:11:58,984 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:11:58,984 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:11:58,984 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:11:58,985 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:11:58,985 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:11:58,988 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:11:58,989 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:11:59,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:11:59,005 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:11:59,006 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:11:59,006 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:11:59,007 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:11:59,007 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:11:59,007 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:11:59,008 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:11:59,008 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:11:59,008 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:11:59,009 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:11:59,009 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:11:59,010 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:11:59,010 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:11:59,010 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:11:59,010 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:11:59,010 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:11:59,010 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:11:59,010 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:11:59,011 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:11:59,011 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:11:59,011 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:11:59,011 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:11:59,011 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:11:59,011 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:11:59,011 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:11:59,012 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:11:59,012 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:11:59,012 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:11:59,012 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:11:59,012 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:11:59,012 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:11:59,013 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:11:59,013 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:11:59,013 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_93cd516c-8954-4cd0-a194-a6324fceeb13/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 -> 58bdd2dd6f7f4bfbe6fbaedc8a62c157487fbf5c [2018-10-27 05:11:59,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:11:59,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:11:59,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:11:59,086 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:11:59,086 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:11:59,087 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i [2018-10-27 05:11:59,148 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/data/d69322bee/7736273113fc4859b8f78eac25b93c10/FLAG1606daedd [2018-10-27 05:11:59,573 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:11:59,573 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i [2018-10-27 05:11:59,584 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/data/d69322bee/7736273113fc4859b8f78eac25b93c10/FLAG1606daedd [2018-10-27 05:11:59,598 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/data/d69322bee/7736273113fc4859b8f78eac25b93c10 [2018-10-27 05:11:59,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:11:59,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:11:59,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:59,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:11:59,606 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:11:59,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:59" (1/1) ... [2018-10-27 05:11:59,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cb25ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:59, skipping insertion in model container [2018-10-27 05:11:59,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:59" (1/1) ... [2018-10-27 05:11:59,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:11:59,655 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:11:59,947 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:59,951 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:11:59,988 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:00,039 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:00,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00 WrapperNode [2018-10-27 05:12:00,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:00,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:00,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:00,040 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:00,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (1/1) ... [2018-10-27 05:12:00,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (1/1) ... [2018-10-27 05:12:00,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:00,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:00,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:00,151 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:00,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (1/1) ... [2018-10-27 05:12:00,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (1/1) ... [2018-10-27 05:12:00,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (1/1) ... [2018-10-27 05:12:00,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (1/1) ... [2018-10-27 05:12:00,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (1/1) ... [2018-10-27 05:12:00,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (1/1) ... [2018-10-27 05:12:00,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (1/1) ... [2018-10-27 05:12:00,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:00,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:00,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:00,197 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:00,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:12:00,260 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:12:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:12:00,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:12:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:00,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:00,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:00,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:00,264 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:12:00,758 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:00,779 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:00,779 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:00,779 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:00,779 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:00,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:00 BasicIcfg [2018-10-27 05:12:00,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:12:00,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:12:00,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:12:00,795 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:12:00,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:11:59" (1/3) ... [2018-10-27 05:12:00,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fbc50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:00, skipping insertion in model container [2018-10-27 05:12:00,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:00" (2/3) ... [2018-10-27 05:12:00,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fbc50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:00, skipping insertion in model container [2018-10-27 05:12:00,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:00" (3/3) ... [2018-10-27 05:12:00,798 INFO L112 eAbstractionObserver]: Analyzing ICFG 17_szymanski_true-unreach-call.i_BEv2 [2018-10-27 05:12:00,814 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:12:00,821 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:12:00,831 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:12:00,857 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:12:00,858 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:12:00,858 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:12:00,858 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:12:00,858 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:12:00,858 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:12:00,858 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:12:00,858 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:12:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-10-27 05:12:00,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:12:00,884 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:12:00,885 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] [2018-10-27 05:12:00,886 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 05:12:00,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:12:00,892 INFO L82 PathProgramCache]: Analyzing trace with hash 92097341, now seen corresponding path program 1 times [2018-10-27 05:12:00,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:12:00,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:12:00,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:12:00,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:12:00,947 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:12:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:01,031 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:12:01,037 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [359] [359] L676-->mainErr0INUSE_VIOLATION: Formula: Thread0_thr1_inUse InVars {Thread0_thr1_inUse=Thread0_thr1_inUse} OutVars{Thread0_thr1_inUse=Thread0_thr1_inUse} AuxVars[] AssignedVars[] because there is no mapped edge [2018-10-27 05:12:01,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-10-27 05:12:01,051 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-10-27 05:12:01,051 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-10-27 05:12:01,051 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-10-27 05:12:01,051 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-10-27 05:12:01,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-10-27 05:12:01,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-10-27 05:12:01,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-10-27 05:12:01,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-10-27 05:12:01,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-10-27 05:12:01,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-10-27 05:12:01,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-10-27 05:12:01,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-10-27 05:12:01,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-10-27 05:12:01,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-10-27 05:12:01,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-10-27 05:12:01,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-10-27 05:12:01,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-10-27 05:12:01,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-10-27 05:12:01,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-10-27 05:12:01,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-10-27 05:12:01,056 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-10-27 05:12:01,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-10-27 05:12:01,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-10-27 05:12:01,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-10-27 05:12:01,057 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-10-27 05:12:01,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-10-27 05:12:01,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] [2018-10-27 05:12:01,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] [2018-10-27 05:12:01,058 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] [2018-10-27 05:12:01,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] [2018-10-27 05:12:01,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] [2018-10-27 05:12:01,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] [2018-10-27 05:12:01,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] [2018-10-27 05:12:01,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] [2018-10-27 05:12:01,059 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] [2018-10-27 05:12:01,060 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] [2018-10-27 05:12:01,060 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] [2018-10-27 05:12:01,060 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] [2018-10-27 05:12:01,060 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,061 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] [2018-10-27 05:12:01,061 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] [2018-10-27 05:12:01,061 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] [2018-10-27 05:12:01,061 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] [2018-10-27 05:12:01,061 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,062 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] [2018-10-27 05:12:01,062 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] [2018-10-27 05:12:01,062 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] [2018-10-27 05:12:01,062 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] [2018-10-27 05:12:01,062 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,062 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,063 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] [2018-10-27 05:12:01,063 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] [2018-10-27 05:12:01,063 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] [2018-10-27 05:12:01,063 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,063 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,064 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] [2018-10-27 05:12:01,064 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,064 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] [2018-10-27 05:12:01,064 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] [2018-10-27 05:12:01,064 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] [2018-10-27 05:12:01,065 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,065 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,065 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] [2018-10-27 05:12:01,065 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] [2018-10-27 05:12:01,065 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] [2018-10-27 05:12:01,066 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,066 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] [2018-10-27 05:12:01,066 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] [2018-10-27 05:12:01,066 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,066 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:01,066 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] [2018-10-27 05:12:01,079 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-10-27 05:12:01,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:12:01 BasicIcfg [2018-10-27 05:12:01,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:12:01,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:12:01,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:12:01,083 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:12:01,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:00" (3/4) ... [2018-10-27 05:12:01,086 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:12:01,086 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:139) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:01,088 INFO L168 Benchmark]: Toolchain (without parser) took 1486.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:01,090 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:01,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.73 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 924.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:01,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 924.9 MB in the beginning and 1.2 GB in the end (delta: -249.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:01,092 INFO L168 Benchmark]: Boogie Preprocessor took 45.62 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:01,092 INFO L168 Benchmark]: RCFGBuilder took 594.64 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: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:01,093 INFO L168 Benchmark]: TraceAbstraction took 290.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:01,093 INFO L168 Benchmark]: Witness Printer took 5.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:01,096 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 436.73 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 924.9 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 110.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 924.9 MB in the beginning and 1.2 GB in the end (delta: -249.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.62 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 594.64 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: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 290.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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[freshIdentifier12,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[freshIdentifier13,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[freshIdentifier16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,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[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[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[freshIdentifier38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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[freshIdentifier40,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[freshIdentifier42,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[freshIdentifier43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,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[freshIdentifier48,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[freshIdentifier51,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 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[freshIdentifier54,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 Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,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 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 676]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int flag1 = 0, flag2 = 0; VAL [\old(flag1)=12, \old(flag2)=8, \old(x)=9, flag1=0, flag2=0, freshIdentifier13=6, freshIdentifier14=7, freshIdentifier15=1, x=9] [L636] int x; VAL [\old(flag1)=12, \old(flag2)=8, \old(x)=9, flag1=0, flag2=0, freshIdentifier16=6, freshIdentifier17=7, freshIdentifier18=1, x=0] [L675] CALL pthread_t t; [L675] RET pthread_t t; - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 110 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=86occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:12:03,048 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:03,049 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:03,061 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:03,062 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:03,063 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:03,064 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:03,065 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:03,068 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:03,068 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:03,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:03,069 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:03,070 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:03,070 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:03,071 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:03,071 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:03,072 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:03,072 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:03,073 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:03,087 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:03,088 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:03,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:03,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:03,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:03,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:03,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:03,094 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:03,095 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:03,096 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:03,096 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:03,097 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:03,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:03,097 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:03,098 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:03,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:03,103 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:03,104 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:12:03,123 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:03,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:03,125 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:03,125 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:03,126 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:03,126 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:03,126 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:03,126 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:03,127 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:03,127 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:03,127 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:03,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:03,127 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:03,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:03,128 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:03,129 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:12:03,129 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:12:03,130 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:03,130 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:03,130 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:03,131 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:03,131 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:03,131 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:03,131 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:03,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:03,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:03,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:03,132 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:03,132 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:12:03,132 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:03,132 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:12:03,132 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:12:03,132 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_93cd516c-8954-4cd0-a194-a6324fceeb13/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 -> 58bdd2dd6f7f4bfbe6fbaedc8a62c157487fbf5c [2018-10-27 05:12:03,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:03,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:03,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:03,201 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:03,202 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:03,202 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i [2018-10-27 05:12:03,255 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/data/a5354945d/8390d3429cb34750a9f19918976596d5/FLAGfc1969e4f [2018-10-27 05:12:03,727 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:03,728 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i [2018-10-27 05:12:03,741 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/data/a5354945d/8390d3429cb34750a9f19918976596d5/FLAGfc1969e4f [2018-10-27 05:12:03,754 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/data/a5354945d/8390d3429cb34750a9f19918976596d5 [2018-10-27 05:12:03,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:03,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:03,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:03,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:03,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:03,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7230957a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03, skipping insertion in model container [2018-10-27 05:12:03,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:03,813 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:04,109 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:04,115 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:04,170 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:04,230 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:04,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04 WrapperNode [2018-10-27 05:12:04,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:04,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:04,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:04,231 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:04,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (1/1) ... [2018-10-27 05:12:04,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (1/1) ... [2018-10-27 05:12:04,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:04,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:04,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:04,282 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:04,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (1/1) ... [2018-10-27 05:12:04,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (1/1) ... [2018-10-27 05:12:04,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (1/1) ... [2018-10-27 05:12:04,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (1/1) ... [2018-10-27 05:12:04,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (1/1) ... [2018-10-27 05:12:04,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (1/1) ... [2018-10-27 05:12:04,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (1/1) ... [2018-10-27 05:12:04,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:04,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:04,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:04,330 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:04,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:12:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:12:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:12:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:12:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:04,447 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:12:04,971 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:04,991 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:04,991 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:04,992 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:04,992 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:04,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:04 BasicIcfg [2018-10-27 05:12:05,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:12:05,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:12:05,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:12:05,003 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:12:05,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:12:03" (1/3) ... [2018-10-27 05:12:05,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af2df36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:05, skipping insertion in model container [2018-10-27 05:12:05,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:04" (2/3) ... [2018-10-27 05:12:05,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af2df36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:05, skipping insertion in model container [2018-10-27 05:12:05,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:04" (3/3) ... [2018-10-27 05:12:05,007 INFO L112 eAbstractionObserver]: Analyzing ICFG 17_szymanski_true-unreach-call.i_BEv2 [2018-10-27 05:12:05,016 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:12:05,022 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:12:05,034 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:12:05,058 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 05:12:05,059 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:12:05,059 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:12:05,059 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:12:05,059 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:12:05,059 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:12:05,060 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:12:05,060 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:12:05,060 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:12:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-10-27 05:12:05,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:12:05,081 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:12:05,082 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] [2018-10-27 05:12:05,084 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 05:12:05,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:12:05,089 INFO L82 PathProgramCache]: Analyzing trace with hash 92097341, now seen corresponding path program 1 times [2018-10-27 05:12:05,091 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 05:12:05,092 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93cd516c-8954-4cd0-a194-a6324fceeb13/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 05:12:05,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:12:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:05,243 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:12:05,249 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [359] [359] L676-->mainErr0INUSE_VIOLATION: Formula: Thread0_thr1_inUse InVars {Thread0_thr1_inUse=Thread0_thr1_inUse} OutVars{Thread0_thr1_inUse=Thread0_thr1_inUse} AuxVars[] AssignedVars[] because there is no mapped edge [2018-10-27 05:12:05,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-10-27 05:12:05,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-10-27 05:12:05,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-10-27 05:12:05,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-10-27 05:12:05,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-10-27 05:12:05,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-10-27 05:12:05,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-10-27 05:12:05,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-10-27 05:12:05,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-10-27 05:12:05,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-10-27 05:12:05,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-10-27 05:12:05,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-10-27 05:12:05,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-10-27 05:12:05,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-10-27 05:12:05,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-10-27 05:12:05,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-10-27 05:12:05,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-10-27 05:12:05,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-10-27 05:12:05,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-10-27 05:12:05,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-10-27 05:12:05,270 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-10-27 05:12:05,272 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-10-27 05:12:05,273 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-10-27 05:12:05,273 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-10-27 05:12:05,273 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-10-27 05:12:05,273 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-10-27 05:12:05,273 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-10-27 05:12:05,274 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] [2018-10-27 05:12:05,274 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] [2018-10-27 05:12:05,274 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] [2018-10-27 05:12:05,274 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] [2018-10-27 05:12:05,274 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] [2018-10-27 05:12:05,275 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] [2018-10-27 05:12:05,275 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] [2018-10-27 05:12:05,275 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] [2018-10-27 05:12:05,275 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] [2018-10-27 05:12:05,275 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] [2018-10-27 05:12:05,276 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] [2018-10-27 05:12:05,276 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] [2018-10-27 05:12:05,276 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] [2018-10-27 05:12:05,276 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,276 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] [2018-10-27 05:12:05,277 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] [2018-10-27 05:12:05,277 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] [2018-10-27 05:12:05,277 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,277 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] [2018-10-27 05:12:05,277 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] [2018-10-27 05:12:05,278 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] [2018-10-27 05:12:05,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] [2018-10-27 05:12:05,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] [2018-10-27 05:12:05,282 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] [2018-10-27 05:12:05,283 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,283 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] [2018-10-27 05:12:05,283 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,283 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] [2018-10-27 05:12:05,283 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,284 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,284 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] [2018-10-27 05:12:05,284 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] [2018-10-27 05:12:05,284 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] [2018-10-27 05:12:05,284 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,285 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] [2018-10-27 05:12:05,285 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,285 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] [2018-10-27 05:12:05,285 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] [2018-10-27 05:12:05,285 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] [2018-10-27 05:12:05,285 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] [2018-10-27 05:12:05,286 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] [2018-10-27 05:12:05,289 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,289 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:12:05,303 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-10-27 05:12:05,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:12:05 BasicIcfg [2018-10-27 05:12:05,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:12:05,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:12:05,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:12:05,307 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:12:05,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:04" (3/4) ... [2018-10-27 05:12:05,310 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:12:05,311 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:139) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:05,313 INFO L168 Benchmark]: Toolchain (without parser) took 1554.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -129.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:05,314 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:05,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.75 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 05:12:05,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.94 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 05:12:05,316 INFO L168 Benchmark]: Boogie Preprocessor took 47.73 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 05:12:05,316 INFO L168 Benchmark]: RCFGBuilder took 669.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 914.3 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:05,317 INFO L168 Benchmark]: TraceAbstraction took 306.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:05,317 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:05,323 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 470.75 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 50.94 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 47.73 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 669.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 914.3 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 306.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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[freshIdentifier17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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[freshIdentifier32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,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[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[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[freshIdentifier45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation 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[freshIdentifier52,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[freshIdentifier55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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[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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 676]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int flag1 = 0, flag2 = 0; VAL [\old(flag1)=9, \old(flag2)=11, \old(x)=10, flag1=0, flag2=0, freshIdentifier13=5, freshIdentifier14=8, freshIdentifier15=1, x=10] [L636] int x; VAL [\old(flag1)=9, \old(flag2)=11, \old(x)=10, flag1=0, flag2=0, freshIdentifier16=5, freshIdentifier17=8, freshIdentifier18=1, x=0] [L675] CALL pthread_t t; [L675] RET pthread_t t; - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 110 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=86occurred 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, 22 NumberOfCodeBlocks, 22 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...