./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe035_tso.opt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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-wmm/safe035_tso.opt_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 18e3160160f8d8bdecfbbef4e1cd94bdc1fdc1ad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 05:51:38,375 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 05:51:38,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 05:51:38,389 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 05:51:38,389 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 05:51:38,390 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 05:51:38,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 05:51:38,396 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 05:51:38,401 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 05:51:38,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 05:51:38,404 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 05:51:38,405 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 05:51:38,406 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 05:51:38,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 05:51:38,410 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 05:51:38,415 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 05:51:38,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 05:51:38,420 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 05:51:38,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 05:51:38,429 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 05:51:38,431 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 05:51:38,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 05:51:38,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 05:51:38,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 05:51:38,435 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 05:51:38,436 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 05:51:38,437 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 05:51:38,438 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 05:51:38,438 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 05:51:38,439 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 05:51:38,440 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 05:51:38,440 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 05:51:38,440 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 05:51:38,441 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 05:51:38,442 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 05:51:38,442 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 05:51:38,443 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-13 05:51:38,458 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 05:51:38,458 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 05:51:38,459 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 05:51:38,460 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 05:51:38,460 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 05:51:38,460 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 05:51:38,460 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 05:51:38,460 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 05:51:38,460 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 05:51:38,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 05:51:38,461 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-13 05:51:38,461 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 05:51:38,461 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-13 05:51:38,461 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 05:51:38,462 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-13 05:51:38,462 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 05:51:38,462 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-13 05:51:38,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 05:51:38,462 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 05:51:38,462 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 05:51:38,463 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 05:51:38,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 05:51:38,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 05:51:38,463 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 05:51:38,463 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-13 05:51:38,464 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 05:51:38,464 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 05:51:38,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-13 05:51:38,464 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 -> 18e3160160f8d8bdecfbbef4e1cd94bdc1fdc1ad [2019-01-13 05:51:38,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 05:51:38,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 05:51:38,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 05:51:38,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 05:51:38,528 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 05:51:38,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe035_tso.opt_true-unreach-call.i [2019-01-13 05:51:38,601 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c860b923/a4515cdff94b44ea8c13da64179a464b/FLAG85ca1bba4 [2019-01-13 05:51:39,181 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 05:51:39,182 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe035_tso.opt_true-unreach-call.i [2019-01-13 05:51:39,203 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c860b923/a4515cdff94b44ea8c13da64179a464b/FLAG85ca1bba4 [2019-01-13 05:51:39,403 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c860b923/a4515cdff94b44ea8c13da64179a464b [2019-01-13 05:51:39,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 05:51:39,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-13 05:51:39,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 05:51:39,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 05:51:39,418 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 05:51:39,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 05:51:39" (1/1) ... [2019-01-13 05:51:39,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7730cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:39, skipping insertion in model container [2019-01-13 05:51:39,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 05:51:39" (1/1) ... [2019-01-13 05:51:39,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 05:51:39,475 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 05:51:39,936 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 05:51:39,950 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 05:51:40,102 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 05:51:40,195 INFO L195 MainTranslator]: Completed translation [2019-01-13 05:51:40,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40 WrapperNode [2019-01-13 05:51:40,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 05:51:40,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-13 05:51:40,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-13 05:51:40,196 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-13 05:51:40,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (1/1) ... [2019-01-13 05:51:40,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (1/1) ... [2019-01-13 05:51:40,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-13 05:51:40,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 05:51:40,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 05:51:40,245 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 05:51:40,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (1/1) ... [2019-01-13 05:51:40,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (1/1) ... [2019-01-13 05:51:40,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (1/1) ... [2019-01-13 05:51:40,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (1/1) ... [2019-01-13 05:51:40,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (1/1) ... [2019-01-13 05:51:40,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (1/1) ... [2019-01-13 05:51:40,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (1/1) ... [2019-01-13 05:51:40,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 05:51:40,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 05:51:40,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 05:51:40,275 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 05:51:40,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (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 [2019-01-13 05:51:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 05:51:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-13 05:51:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 05:51:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 05:51:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-13 05:51:40,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-13 05:51:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-13 05:51:40,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-13 05:51:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-01-13 05:51:40,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-01-13 05:51:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-13 05:51:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 05:51:40,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 05:51:40,348 WARN L204 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-13 05:51:40,816 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 05:51:40,816 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-13 05:51:40,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:51:40 BoogieIcfgContainer [2019-01-13 05:51:40,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 05:51:40,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 05:51:40,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 05:51:40,823 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 05:51:40,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 05:51:39" (1/3) ... [2019-01-13 05:51:40,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52949e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 05:51:40, skipping insertion in model container [2019-01-13 05:51:40,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 05:51:40" (2/3) ... [2019-01-13 05:51:40,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52949e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 05:51:40, skipping insertion in model container [2019-01-13 05:51:40,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:51:40" (3/3) ... [2019-01-13 05:51:40,828 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_tso.opt_true-unreach-call.i [2019-01-13 05:51:40,865 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,865 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,866 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,866 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,866 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,866 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,866 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,868 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,868 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,868 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,869 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,869 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,869 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,869 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,870 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,871 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,871 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,871 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,872 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,872 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,872 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,874 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,874 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,874 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,875 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,875 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,876 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,876 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,876 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-13 05:51:40,914 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-13 05:51:40,915 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 05:51:40,927 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-13 05:51:40,946 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-13 05:51:40,972 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 05:51:40,973 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 05:51:40,973 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-13 05:51:40,973 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 05:51:40,973 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 05:51:40,973 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 05:51:40,974 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 05:51:40,974 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 05:51:40,974 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 05:51:40,983 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56places, 53 transitions [2019-01-13 05:51:41,115 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2385 states. [2019-01-13 05:51:41,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states. [2019-01-13 05:51:41,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-01-13 05:51:41,151 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:51:41,152 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 05:51:41,155 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:51:41,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:51:41,164 INFO L82 PathProgramCache]: Analyzing trace with hash 926811069, now seen corresponding path program 1 times [2019-01-13 05:51:41,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:51:41,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:51:41,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:41,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:51:41,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:51:41,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:51:41,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:51:41,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 05:51:41,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 05:51:41,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 05:51:41,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 05:51:41,667 INFO L87 Difference]: Start difference. First operand 2385 states. Second operand 4 states. [2019-01-13 05:51:42,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:51:42,002 INFO L93 Difference]: Finished difference Result 2493 states and 8069 transitions. [2019-01-13 05:51:42,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 05:51:42,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-01-13 05:51:42,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:51:42,045 INFO L225 Difference]: With dead ends: 2493 [2019-01-13 05:51:42,046 INFO L226 Difference]: Without dead ends: 1128 [2019-01-13 05:51:42,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 05:51:42,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2019-01-13 05:51:42,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2019-01-13 05:51:42,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1128 states. [2019-01-13 05:51:42,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 3558 transitions. [2019-01-13 05:51:42,196 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 3558 transitions. Word has length 30 [2019-01-13 05:51:42,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:51:42,197 INFO L480 AbstractCegarLoop]: Abstraction has 1128 states and 3558 transitions. [2019-01-13 05:51:42,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 05:51:42,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 3558 transitions. [2019-01-13 05:51:42,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-13 05:51:42,203 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:51:42,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 05:51:42,203 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:51:42,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:51:42,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1479075055, now seen corresponding path program 1 times [2019-01-13 05:51:42,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:51:42,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:51:42,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:42,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:51:42,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:51:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:51:42,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:51:42,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 05:51:42,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 05:51:42,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 05:51:42,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-13 05:51:42,374 INFO L87 Difference]: Start difference. First operand 1128 states and 3558 transitions. Second operand 5 states. [2019-01-13 05:51:42,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:51:42,950 INFO L93 Difference]: Finished difference Result 1168 states and 3552 transitions. [2019-01-13 05:51:42,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 05:51:42,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-01-13 05:51:42,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:51:42,964 INFO L225 Difference]: With dead ends: 1168 [2019-01-13 05:51:42,966 INFO L226 Difference]: Without dead ends: 1044 [2019-01-13 05:51:42,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-13 05:51:42,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2019-01-13 05:51:43,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2019-01-13 05:51:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2019-01-13 05:51:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 3243 transitions. [2019-01-13 05:51:43,018 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 3243 transitions. Word has length 31 [2019-01-13 05:51:43,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:51:43,019 INFO L480 AbstractCegarLoop]: Abstraction has 1044 states and 3243 transitions. [2019-01-13 05:51:43,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 05:51:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 3243 transitions. [2019-01-13 05:51:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 05:51:43,024 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:51:43,024 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 05:51:43,024 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:51:43,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:51:43,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1495948265, now seen corresponding path program 1 times [2019-01-13 05:51:43,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:51:43,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:51:43,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:43,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:51:43,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:51:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:51:43,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:51:43,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 05:51:43,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 05:51:43,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 05:51:43,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 05:51:43,188 INFO L87 Difference]: Start difference. First operand 1044 states and 3243 transitions. Second operand 6 states. [2019-01-13 05:51:43,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:51:43,395 INFO L93 Difference]: Finished difference Result 820 states and 2379 transitions. [2019-01-13 05:51:43,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 05:51:43,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-01-13 05:51:43,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:51:43,404 INFO L225 Difference]: With dead ends: 820 [2019-01-13 05:51:43,405 INFO L226 Difference]: Without dead ends: 708 [2019-01-13 05:51:43,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-01-13 05:51:43,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2019-01-13 05:51:43,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2019-01-13 05:51:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2019-01-13 05:51:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 2067 transitions. [2019-01-13 05:51:43,438 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 2067 transitions. Word has length 32 [2019-01-13 05:51:43,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:51:43,439 INFO L480 AbstractCegarLoop]: Abstraction has 708 states and 2067 transitions. [2019-01-13 05:51:43,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 05:51:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 2067 transitions. [2019-01-13 05:51:43,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-13 05:51:43,444 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:51:43,444 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 05:51:43,444 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:51:43,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:51:43,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1067835993, now seen corresponding path program 1 times [2019-01-13 05:51:43,445 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:51:43,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:51:43,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:43,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:51:43,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:51:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:51:43,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:51:43,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 05:51:43,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 05:51:43,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 05:51:43,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-13 05:51:43,675 INFO L87 Difference]: Start difference. First operand 708 states and 2067 transitions. Second operand 8 states. [2019-01-13 05:51:43,871 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2019-01-13 05:51:44,238 WARN L181 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2019-01-13 05:51:44,632 WARN L181 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2019-01-13 05:51:45,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:51:45,116 INFO L93 Difference]: Finished difference Result 2084 states and 6275 transitions. [2019-01-13 05:51:45,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 05:51:45,117 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-01-13 05:51:45,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:51:45,127 INFO L225 Difference]: With dead ends: 2084 [2019-01-13 05:51:45,127 INFO L226 Difference]: Without dead ends: 1220 [2019-01-13 05:51:45,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2019-01-13 05:51:45,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2019-01-13 05:51:45,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 708. [2019-01-13 05:51:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2019-01-13 05:51:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 2043 transitions. [2019-01-13 05:51:45,157 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 2043 transitions. Word has length 33 [2019-01-13 05:51:45,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:51:45,158 INFO L480 AbstractCegarLoop]: Abstraction has 708 states and 2043 transitions. [2019-01-13 05:51:45,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 05:51:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 2043 transitions. [2019-01-13 05:51:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-13 05:51:45,161 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:51:45,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 05:51:45,162 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:51:45,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:51:45,162 INFO L82 PathProgramCache]: Analyzing trace with hash -166234795, now seen corresponding path program 2 times [2019-01-13 05:51:45,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:51:45,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:51:45,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:45,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 05:51:45,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:51:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:51:45,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:51:45,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 05:51:45,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 05:51:45,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 05:51:45,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-13 05:51:45,326 INFO L87 Difference]: Start difference. First operand 708 states and 2043 transitions. Second operand 7 states. [2019-01-13 05:51:45,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:51:45,609 INFO L93 Difference]: Finished difference Result 1876 states and 5635 transitions. [2019-01-13 05:51:45,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-13 05:51:45,609 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-01-13 05:51:45,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:51:45,614 INFO L225 Difference]: With dead ends: 1876 [2019-01-13 05:51:45,615 INFO L226 Difference]: Without dead ends: 572 [2019-01-13 05:51:45,615 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2019-01-13 05:51:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-01-13 05:51:45,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2019-01-13 05:51:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 572 states. [2019-01-13 05:51:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 1703 transitions. [2019-01-13 05:51:45,635 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 1703 transitions. Word has length 33 [2019-01-13 05:51:45,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:51:45,636 INFO L480 AbstractCegarLoop]: Abstraction has 572 states and 1703 transitions. [2019-01-13 05:51:45,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 05:51:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1703 transitions. [2019-01-13 05:51:45,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-13 05:51:45,639 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 05:51:45,639 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 05:51:45,639 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-13 05:51:45,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 05:51:45,640 INFO L82 PathProgramCache]: Analyzing trace with hash -659065723, now seen corresponding path program 3 times [2019-01-13 05:51:45,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 05:51:45,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 05:51:45,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:45,644 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 05:51:45,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 05:51:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 05:51:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 05:51:45,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 05:51:45,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 05:51:45,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 05:51:45,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 05:51:45,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-13 05:51:45,787 INFO L87 Difference]: Start difference. First operand 572 states and 1703 transitions. Second operand 8 states. [2019-01-13 05:51:46,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 05:51:46,075 INFO L93 Difference]: Finished difference Result 444 states and 1287 transitions. [2019-01-13 05:51:46,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 05:51:46,075 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-01-13 05:51:46,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 05:51:46,076 INFO L225 Difference]: With dead ends: 444 [2019-01-13 05:51:46,076 INFO L226 Difference]: Without dead ends: 0 [2019-01-13 05:51:46,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-01-13 05:51:46,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-13 05:51:46,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-13 05:51:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-13 05:51:46,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-13 05:51:46,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-01-13 05:51:46,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 05:51:46,079 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-13 05:51:46,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 05:51:46,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-13 05:51:46,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-13 05:51:46,082 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-13 05:51:46,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 05:51:46 BasicIcfg [2019-01-13 05:51:46,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 05:51:46,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 05:51:46,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 05:51:46,085 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 05:51:46,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 05:51:40" (3/4) ... [2019-01-13 05:51:46,091 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-13 05:51:46,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-13 05:51:46,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-13 05:51:46,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-01-13 05:51:46,105 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-01-13 05:51:46,105 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-13 05:51:46,158 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 05:51:46,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 05:51:46,160 INFO L168 Benchmark]: Toolchain (without parser) took 6750.92 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -237.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 05:51:46,161 INFO L168 Benchmark]: CDTParser took 0.53 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. [2019-01-13 05:51:46,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-01-13 05:51:46,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.32 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. [2019-01-13 05:51:46,162 INFO L168 Benchmark]: Boogie Preprocessor took 29.96 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-13 05:51:46,168 INFO L168 Benchmark]: RCFGBuilder took 543.11 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-01-13 05:51:46,169 INFO L168 Benchmark]: TraceAbstraction took 5264.85 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 05:51:46,171 INFO L168 Benchmark]: Witness Printer took 73.57 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 05:51:46,176 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 785.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.32 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 29.96 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 543.11 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5264.85 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 73.57 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 7 procedures, 71 locations, 1 error locations. SAFE Result, 5.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 410 SDtfs, 566 SDslu, 1224 SDs, 0 SdLazy, 142 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2385occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 512 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 14398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...