./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-ext/18_read_write_lock_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-ext/18_read_write_lock_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30255c5981d11991d2414e28c50bab33dbbcb910 ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 19:36:01,025 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 19:36:01,027 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 19:36:01,044 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 19:36:01,044 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 19:36:01,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 19:36:01,047 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 19:36:01,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 19:36:01,050 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 19:36:01,051 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 19:36:01,052 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 19:36:01,052 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 19:36:01,053 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 19:36:01,054 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 19:36:01,055 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 19:36:01,055 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 19:36:01,056 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 19:36:01,058 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 19:36:01,060 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 19:36:01,061 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 19:36:01,062 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 19:36:01,064 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 19:36:01,066 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 19:36:01,066 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 19:36:01,066 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 19:36:01,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 19:36:01,068 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 19:36:01,069 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 19:36:01,070 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 19:36:01,071 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 19:36:01,071 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 19:36:01,072 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 19:36:01,072 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 19:36:01,072 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 19:36:01,073 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 19:36:01,074 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 19:36:01,074 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 19:36:01,097 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 19:36:01,097 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 19:36:01,098 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 19:36:01,098 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 19:36:01,099 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 19:36:01,099 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 19:36:01,099 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 19:36:01,099 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 19:36:01,099 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 19:36:01,100 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 19:36:01,100 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 19:36:01,100 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 19:36:01,100 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 19:36:01,100 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 19:36:01,100 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 19:36:01,101 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 19:36:01,101 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 19:36:01,101 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 19:36:01,101 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 19:36:01,101 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 19:36:01,101 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 19:36:01,102 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 19:36:01,102 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 19:36:01,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 19:36:01,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 19:36:01,102 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 19:36:01,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 19:36:01,103 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 19:36:01,103 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 19:36:01,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 19:36:01,103 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 30255c5981d11991d2414e28c50bab33dbbcb910 [2018-11-28 19:36:01,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 19:36:01,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 19:36:01,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 19:36:01,154 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 19:36:01,155 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 19:36:01,155 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/18_read_write_lock_true-unreach-call.i [2018-11-28 19:36:01,212 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac544b0d/aeb869cf9de248b08c5b9c39228396de/FLAGe6366ec0a [2018-11-28 19:36:01,776 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 19:36:01,777 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/18_read_write_lock_true-unreach-call.i [2018-11-28 19:36:01,795 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac544b0d/aeb869cf9de248b08c5b9c39228396de/FLAGe6366ec0a [2018-11-28 19:36:01,997 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac544b0d/aeb869cf9de248b08c5b9c39228396de [2018-11-28 19:36:02,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 19:36:02,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 19:36:02,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 19:36:02,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 19:36:02,011 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 19:36:02,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:01" (1/1) ... [2018-11-28 19:36:02,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a7ef83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02, skipping insertion in model container [2018-11-28 19:36:02,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:01" (1/1) ... [2018-11-28 19:36:02,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 19:36:02,087 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 19:36:02,500 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:36:02,525 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 19:36:02,579 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:36:02,665 INFO L195 MainTranslator]: Completed translation [2018-11-28 19:36:02,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02 WrapperNode [2018-11-28 19:36:02,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 19:36:02,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 19:36:02,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 19:36:02,743 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 19:36:02,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (1/1) ... [2018-11-28 19:36:02,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (1/1) ... [2018-11-28 19:36:02,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 19:36:02,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 19:36:02,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 19:36:02,806 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 19:36:02,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (1/1) ... [2018-11-28 19:36:02,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (1/1) ... [2018-11-28 19:36:02,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (1/1) ... [2018-11-28 19:36:02,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (1/1) ... [2018-11-28 19:36:02,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (1/1) ... [2018-11-28 19:36:02,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (1/1) ... [2018-11-28 19:36:02,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (1/1) ... [2018-11-28 19:36:02,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 19:36:02,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 19:36:02,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 19:36:02,836 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 19:36:02,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 19:36:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 19:36:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 19:36:02,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 19:36:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 19:36:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 19:36:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 19:36:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 19:36:02,892 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 19:36:03,048 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_w_returnLabel [2018-11-28 19:36:03,164 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_r_returnLabel [2018-11-28 19:36:03,275 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 19:36:03,276 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-28 19:36:03,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:03 BoogieIcfgContainer [2018-11-28 19:36:03,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 19:36:03,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 19:36:03,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 19:36:03,281 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 19:36:03,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:36:01" (1/3) ... [2018-11-28 19:36:03,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181603c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:36:03, skipping insertion in model container [2018-11-28 19:36:03,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:02" (2/3) ... [2018-11-28 19:36:03,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181603c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:36:03, skipping insertion in model container [2018-11-28 19:36:03,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:03" (3/3) ... [2018-11-28 19:36:03,285 INFO L112 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock_true-unreach-call.i [2018-11-28 19:36:03,316 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:36:03,317 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:36:03,317 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:36:03,317 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:36:03,318 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:36:03,319 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:36:03,337 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 19:36:03,338 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 19:36:03,347 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 19:36:03,365 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 19:36:03,391 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 19:36:03,392 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 19:36:03,392 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 19:36:03,392 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 19:36:03,393 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 19:36:03,393 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 19:36:03,393 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 19:36:03,393 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 19:36:03,393 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 19:36:03,402 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36places, 35 transitions [2018-11-28 19:36:03,421 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 125 states. [2018-11-28 19:36:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-11-28 19:36:03,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 19:36:03,433 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 19:36:03,434 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 19:36:03,436 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 19:36:03,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 19:36:03,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1956366165, now seen corresponding path program 1 times [2018-11-28 19:36:03,445 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 19:36:03,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 19:36:03,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:36:03,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 19:36:03,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:36:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 19:36:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 19:36:03,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 19:36:03,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 19:36:03,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 19:36:03,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 19:36:03,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:36:03,657 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 3 states. [2018-11-28 19:36:03,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 19:36:03,710 INFO L93 Difference]: Finished difference Result 165 states and 279 transitions. [2018-11-28 19:36:03,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 19:36:03,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-28 19:36:03,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 19:36:03,722 INFO L225 Difference]: With dead ends: 165 [2018-11-28 19:36:03,722 INFO L226 Difference]: Without dead ends: 37 [2018-11-28 19:36:03,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:36:03,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-28 19:36:03,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-28 19:36:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-28 19:36:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2018-11-28 19:36:03,762 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 19 [2018-11-28 19:36:03,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 19:36:03,762 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2018-11-28 19:36:03,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 19:36:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2018-11-28 19:36:03,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 19:36:03,764 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 19:36:03,764 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 19:36:03,764 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 19:36:03,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 19:36:03,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1943260432, now seen corresponding path program 1 times [2018-11-28 19:36:03,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 19:36:03,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 19:36:03,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:36:03,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 19:36:03,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:36:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 19:36:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 19:36:03,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 19:36:03,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 19:36:03,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 19:36:03,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 19:36:03,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 19:36:03,910 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand 4 states. [2018-11-28 19:36:03,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 19:36:03,973 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2018-11-28 19:36:03,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 19:36:03,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-11-28 19:36:03,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 19:36:03,974 INFO L225 Difference]: With dead ends: 37 [2018-11-28 19:36:03,975 INFO L226 Difference]: Without dead ends: 32 [2018-11-28 19:36:03,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 19:36:03,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-28 19:36:03,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-28 19:36:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-28 19:36:03,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2018-11-28 19:36:03,980 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 21 [2018-11-28 19:36:03,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 19:36:03,981 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2018-11-28 19:36:03,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 19:36:03,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2018-11-28 19:36:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 19:36:03,982 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 19:36:03,982 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 19:36:03,982 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 19:36:03,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 19:36:03,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1127946220, now seen corresponding path program 2 times [2018-11-28 19:36:03,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 19:36:03,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 19:36:03,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:36:03,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 19:36:03,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:36:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 19:36:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 19:36:04,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 19:36:04,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 19:36:04,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 19:36:04,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 19:36:04,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 19:36:04,114 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 4 states. [2018-11-28 19:36:04,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 19:36:04,152 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-11-28 19:36:04,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 19:36:04,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-11-28 19:36:04,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 19:36:04,153 INFO L225 Difference]: With dead ends: 18 [2018-11-28 19:36:04,153 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 19:36:04,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 19:36:04,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 19:36:04,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 19:36:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 19:36:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 19:36:04,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-11-28 19:36:04,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 19:36:04,155 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 19:36:04,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 19:36:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 19:36:04,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 19:36:04,159 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-28 19:36:04,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:36:04 BasicIcfg [2018-11-28 19:36:04,161 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 19:36:04,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 19:36:04,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 19:36:04,162 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 19:36:04,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:03" (3/4) ... [2018-11-28 19:36:04,167 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 19:36:04,174 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2018-11-28 19:36:04,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-28 19:36:04,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 19:36:04,225 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 19:36:04,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 19:36:04,226 INFO L168 Benchmark]: Toolchain (without parser) took 2223.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-11-28 19:36:04,228 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 19:36:04,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -193.6 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2018-11-28 19:36:04,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.02 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. [2018-11-28 19:36:04,230 INFO L168 Benchmark]: Boogie Preprocessor took 29.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 19:36:04,231 INFO L168 Benchmark]: RCFGBuilder took 441.46 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-28 19:36:04,232 INFO L168 Benchmark]: TraceAbstraction took 883.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-28 19:36:04,233 INFO L168 Benchmark]: Witness Printer took 63.99 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. [2018-11-28 19:36:04,237 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 736.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -193.6 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.02 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. * Boogie Preprocessor took 29.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 441.46 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 883.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 63.99 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.plugins.generator.traceabstraction: - PositiveResult [Line: 657]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 28 SDslu, 75 SDs, 0 SdLazy, 15 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...