./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe036_pso.oepc_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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/safe036_pso.oepc_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 e936ccb339cfc820625cd0f401458a7e67c857ea .......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 00:58:50,497 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 00:58:50,501 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 00:58:50,518 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 00:58:50,518 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 00:58:50,519 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 00:58:50,521 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 00:58:50,523 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 00:58:50,524 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 00:58:50,525 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 00:58:50,527 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 00:58:50,527 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 00:58:50,528 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 00:58:50,529 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 00:58:50,530 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 00:58:50,531 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 00:58:50,532 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 00:58:50,534 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 00:58:50,537 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 00:58:50,539 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 00:58:50,540 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 00:58:50,541 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 00:58:50,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 00:58:50,544 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 00:58:50,545 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 00:58:50,546 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 00:58:50,547 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 00:58:50,548 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 00:58:50,549 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 00:58:50,550 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 00:58:50,551 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 00:58:50,552 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 00:58:50,552 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 00:58:50,552 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 00:58:50,553 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 00:58:50,555 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 00:58:50,555 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-01 00:58:50,571 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 00:58:50,572 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 00:58:50,575 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 00:58:50,575 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 00:58:50,575 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 00:58:50,576 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 00:58:50,576 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 00:58:50,576 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 00:58:50,576 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 00:58:50,576 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 00:58:50,578 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 00:58:50,578 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 00:58:50,578 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 00:58:50,579 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 00:58:50,579 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 00:58:50,579 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 00:58:50,580 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 00:58:50,580 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 00:58:50,580 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 00:58:50,580 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 00:58:50,580 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 00:58:50,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 00:58:50,581 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 00:58:50,581 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 00:58:50,581 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 00:58:50,581 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 00:58:50,581 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 00:58:50,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 00:58:50,585 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 -> e936ccb339cfc820625cd0f401458a7e67c857ea [2019-01-01 00:58:50,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 00:58:50,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 00:58:50,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 00:58:50,684 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 00:58:50,685 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 00:58:50,686 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe036_pso.oepc_true-unreach-call.i [2019-01-01 00:58:50,739 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1ed4e5db/194ba2a6233c4506ae9428b0eaf19711/FLAGa22e25e6d [2019-01-01 00:58:51,260 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 00:58:51,261 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe036_pso.oepc_true-unreach-call.i [2019-01-01 00:58:51,275 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1ed4e5db/194ba2a6233c4506ae9428b0eaf19711/FLAGa22e25e6d [2019-01-01 00:58:51,536 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1ed4e5db/194ba2a6233c4506ae9428b0eaf19711 [2019-01-01 00:58:51,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 00:58:51,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 00:58:51,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 00:58:51,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 00:58:51,548 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 00:58:51,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4fbf7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51, skipping insertion in model container [2019-01-01 00:58:51,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 00:58:51,619 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 00:58:52,124 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:58:52,144 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 00:58:52,309 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:58:52,391 INFO L195 MainTranslator]: Completed translation [2019-01-01 00:58:52,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52 WrapperNode [2019-01-01 00:58:52,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 00:58:52,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 00:58:52,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 00:58:52,394 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 00:58:52,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (1/1) ... [2019-01-01 00:58:52,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (1/1) ... [2019-01-01 00:58:52,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 00:58:52,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 00:58:52,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 00:58:52,460 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 00:58:52,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (1/1) ... [2019-01-01 00:58:52,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (1/1) ... [2019-01-01 00:58:52,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (1/1) ... [2019-01-01 00:58:52,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (1/1) ... [2019-01-01 00:58:52,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (1/1) ... [2019-01-01 00:58:52,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (1/1) ... [2019-01-01 00:58:52,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (1/1) ... [2019-01-01 00:58:52,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 00:58:52,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 00:58:52,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 00:58:52,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 00:58:52,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (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 [2019-01-01 00:58:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 00:58:52,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-01 00:58:52,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 00:58:52,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 00:58:52,601 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-01 00:58:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-01 00:58:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-01 00:58:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-01 00:58:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-01 00:58:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 00:58:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 00:58:52,606 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-01 00:58:53,331 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 00:58:53,332 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-01 00:58:53,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:58:53 BoogieIcfgContainer [2019-01-01 00:58:53,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 00:58:53,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 00:58:53,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 00:58:53,340 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 00:58:53,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 12:58:51" (1/3) ... [2019-01-01 00:58:53,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117f5fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:58:53, skipping insertion in model container [2019-01-01 00:58:53,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:52" (2/3) ... [2019-01-01 00:58:53,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117f5fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:58:53, skipping insertion in model container [2019-01-01 00:58:53,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:58:53" (3/3) ... [2019-01-01 00:58:53,346 INFO L112 eAbstractionObserver]: Analyzing ICFG safe036_pso.oepc_true-unreach-call.i [2019-01-01 00:58:53,380 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,381 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,381 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,381 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,381 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,382 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,382 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,382 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,382 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,382 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,383 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,383 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,383 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,383 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,383 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,384 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,384 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,384 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,384 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,384 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:53,419 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-01 00:58:53,419 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 00:58:53,432 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-01 00:58:53,450 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-01 00:58:53,481 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 00:58:53,481 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 00:58:53,482 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 00:58:53,482 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 00:58:53,482 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 00:58:53,482 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 00:58:53,482 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 00:58:53,482 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 00:58:53,482 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 00:58:53,492 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44places, 42 transitions [2019-01-01 00:58:53,533 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 434 states. [2019-01-01 00:58:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states. [2019-01-01 00:58:53,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-01 00:58:53,554 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:53,555 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] [2019-01-01 00:58:53,560 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:53,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:53,566 INFO L82 PathProgramCache]: Analyzing trace with hash 2119373415, now seen corresponding path program 1 times [2019-01-01 00:58:53,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:53,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:53,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:53,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:53,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:58:53,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:53,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 00:58:53,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 00:58:53,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 00:58:53,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 00:58:53,954 INFO L87 Difference]: Start difference. First operand 434 states. Second operand 4 states. [2019-01-01 00:58:54,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:54,089 INFO L93 Difference]: Finished difference Result 444 states and 1061 transitions. [2019-01-01 00:58:54,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 00:58:54,093 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-01 00:58:54,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:54,111 INFO L225 Difference]: With dead ends: 444 [2019-01-01 00:58:54,111 INFO L226 Difference]: Without dead ends: 227 [2019-01-01 00:58:54,113 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:58:54,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-01-01 00:58:54,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2019-01-01 00:58:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-01-01 00:58:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 524 transitions. [2019-01-01 00:58:54,207 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 524 transitions. Word has length 25 [2019-01-01 00:58:54,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:54,210 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 524 transitions. [2019-01-01 00:58:54,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 00:58:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 524 transitions. [2019-01-01 00:58:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-01 00:58:54,216 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:54,216 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] [2019-01-01 00:58:54,217 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:54,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:54,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1838814607, now seen corresponding path program 1 times [2019-01-01 00:58:54,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:54,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:54,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:54,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:54,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:58:54,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:54,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 00:58:54,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 00:58:54,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 00:58:54,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:58:54,489 INFO L87 Difference]: Start difference. First operand 227 states and 524 transitions. Second operand 5 states. [2019-01-01 00:58:54,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:54,672 INFO L93 Difference]: Finished difference Result 195 states and 416 transitions. [2019-01-01 00:58:54,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 00:58:54,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-01-01 00:58:54,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:54,677 INFO L225 Difference]: With dead ends: 195 [2019-01-01 00:58:54,679 INFO L226 Difference]: Without dead ends: 171 [2019-01-01 00:58:54,680 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 [2019-01-01 00:58:54,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-01 00:58:54,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-01-01 00:58:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-01 00:58:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 370 transitions. [2019-01-01 00:58:54,694 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 370 transitions. Word has length 26 [2019-01-01 00:58:54,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:54,695 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 370 transitions. [2019-01-01 00:58:54,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 00:58:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 370 transitions. [2019-01-01 00:58:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 00:58:54,697 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:54,697 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] [2019-01-01 00:58:54,697 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1630101547, now seen corresponding path program 1 times [2019-01-01 00:58:54,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:54,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:54,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:54,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:54,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:58:54,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:54,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:58:54,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:58:54,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:58:54,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:58:54,936 INFO L87 Difference]: Start difference. First operand 171 states and 370 transitions. Second operand 7 states. [2019-01-01 00:58:55,212 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-01-01 00:58:55,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:55,225 INFO L93 Difference]: Finished difference Result 267 states and 594 transitions. [2019-01-01 00:58:55,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:58:55,227 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-01-01 00:58:55,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:55,229 INFO L225 Difference]: With dead ends: 267 [2019-01-01 00:58:55,229 INFO L226 Difference]: Without dead ends: 167 [2019-01-01 00:58:55,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:58:55,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-01-01 00:58:55,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2019-01-01 00:58:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-01-01 00:58:55,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 362 transitions. [2019-01-01 00:58:55,241 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 362 transitions. Word has length 27 [2019-01-01 00:58:55,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:55,242 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 362 transitions. [2019-01-01 00:58:55,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:58:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 362 transitions. [2019-01-01 00:58:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 00:58:55,244 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:55,244 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] [2019-01-01 00:58:55,244 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:55,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:55,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1348708445, now seen corresponding path program 2 times [2019-01-01 00:58:55,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:55,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:55,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:55,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:55,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:58:55,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:55,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:58:55,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:58:55,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:58:55,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:58:55,388 INFO L87 Difference]: Start difference. First operand 167 states and 362 transitions. Second operand 7 states. [2019-01-01 00:58:55,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:55,616 INFO L93 Difference]: Finished difference Result 135 states and 282 transitions. [2019-01-01 00:58:55,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:58:55,617 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-01-01 00:58:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:55,618 INFO L225 Difference]: With dead ends: 135 [2019-01-01 00:58:55,618 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 00:58:55,618 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:58:55,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 00:58:55,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 00:58:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 00:58:55,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 00:58:55,620 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-01-01 00:58:55,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:55,622 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 00:58:55,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:58:55,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 00:58:55,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 00:58:55,627 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-01 00:58:55,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 12:58:55 BasicIcfg [2019-01-01 00:58:55,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 00:58:55,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 00:58:55,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 00:58:55,631 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 00:58:55,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:58:53" (3/4) ... [2019-01-01 00:58:55,637 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 00:58:55,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-01 00:58:55,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-01 00:58:55,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-01-01 00:58:55,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 00:58:55,729 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 00:58:55,729 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 00:58:55,730 INFO L168 Benchmark]: Toolchain (without parser) took 4189.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 948.7 MB in the beginning and 962.2 MB in the end (delta: -13.5 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:55,733 INFO L168 Benchmark]: CDTParser took 0.13 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. [2019-01-01 00:58:55,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:55,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 00:58:55,734 INFO L168 Benchmark]: Boogie Preprocessor took 51.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 00:58:55,735 INFO L168 Benchmark]: RCFGBuilder took 822.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:55,736 INFO L168 Benchmark]: TraceAbstraction took 2294.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.1 MB in the end (delta: 96.8 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:55,744 INFO L168 Benchmark]: Witness Printer took 99.36 ms. Allocated memory is still 1.1 GB. Free memory was 969.1 MB in the beginning and 962.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:55,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 849.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 822.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2294.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.1 MB in the end (delta: 96.8 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. * Witness Printer took 99.36 ms. Allocated memory is still 1.1 GB. Free memory was 969.1 MB in the beginning and 962.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. 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 5 procedures, 54 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 174 SDtfs, 179 SDslu, 435 SDs, 0 SdLazy, 56 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 5933 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...