./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe029_tso.opt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-wmm/safe029_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 479d7a523c3017197f67f447a9067f337404603c ............................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 20:43:41,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 20:43:41,277 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 20:43:41,291 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 20:43:41,292 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 20:43:41,293 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 20:43:41,295 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 20:43:41,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 20:43:41,300 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 20:43:41,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 20:43:41,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 20:43:41,307 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 20:43:41,308 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 20:43:41,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 20:43:41,320 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 20:43:41,321 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 20:43:41,325 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 20:43:41,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 20:43:41,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 20:43:41,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 20:43:41,336 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 20:43:41,337 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 20:43:41,341 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 20:43:41,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 20:43:41,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 20:43:41,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 20:43:41,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 20:43:41,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 20:43:41,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 20:43:41,353 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 20:43:41,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 20:43:41,354 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 20:43:41,356 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 20:43:41,356 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 20:43:41,358 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 20:43:41,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 20:43:41,359 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 20:43:41,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 20:43:41,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 20:43:41,392 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 20:43:41,392 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 20:43:41,393 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 20:43:41,393 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 20:43:41,393 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 20:43:41,395 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 20:43:41,396 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 20:43:41,396 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 20:43:41,396 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 20:43:41,396 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 20:43:41,396 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 20:43:41,396 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 20:43:41,397 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 20:43:41,397 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 20:43:41,398 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 20:43:41,398 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 20:43:41,398 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 20:43:41,398 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 20:43:41,398 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 20:43:41,399 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 20:43:41,401 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 20:43:41,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 20:43:41,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 20:43:41,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 20:43:41,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 20:43:41,402 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 20:43:41,402 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 20:43:41,403 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 20:43:41,403 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 -> 479d7a523c3017197f67f447a9067f337404603c [2018-11-28 20:43:41,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 20:43:41,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 20:43:41,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 20:43:41,479 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 20:43:41,479 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 20:43:41,480 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe029_tso.opt_true-unreach-call.i [2018-11-28 20:43:41,540 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717c70cd2/b123f3bd06754cf791dab6a4a95dd58c/FLAGe597aa6d1 [2018-11-28 20:43:42,027 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 20:43:42,027 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe029_tso.opt_true-unreach-call.i [2018-11-28 20:43:42,045 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717c70cd2/b123f3bd06754cf791dab6a4a95dd58c/FLAGe597aa6d1 [2018-11-28 20:43:42,329 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717c70cd2/b123f3bd06754cf791dab6a4a95dd58c [2018-11-28 20:43:42,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 20:43:42,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 20:43:42,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 20:43:42,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 20:43:42,339 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 20:43:42,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:43:42" (1/1) ... [2018-11-28 20:43:42,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6552881f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:42, skipping insertion in model container [2018-11-28 20:43:42,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:43:42" (1/1) ... [2018-11-28 20:43:42,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 20:43:42,398 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 20:43:42,813 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:43:42,826 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 20:43:42,897 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:43:43,060 INFO L195 MainTranslator]: Completed translation [2018-11-28 20:43:43,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43 WrapperNode [2018-11-28 20:43:43,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 20:43:43,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 20:43:43,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 20:43:43,062 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 20:43:43,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (1/1) ... [2018-11-28 20:43:43,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (1/1) ... [2018-11-28 20:43:43,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 20:43:43,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 20:43:43,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 20:43:43,117 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 20:43:43,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (1/1) ... [2018-11-28 20:43:43,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (1/1) ... [2018-11-28 20:43:43,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (1/1) ... [2018-11-28 20:43:43,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (1/1) ... [2018-11-28 20:43:43,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (1/1) ... [2018-11-28 20:43:43,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (1/1) ... [2018-11-28 20:43:43,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (1/1) ... [2018-11-28 20:43:43,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 20:43:43,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 20:43:43,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 20:43:43,147 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 20:43:43,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 20:43:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 20:43:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 20:43:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-28 20:43:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 20:43:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-28 20:43:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-28 20:43:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-28 20:43:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-28 20:43:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-28 20:43:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 20:43:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 20:43:43,223 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 20:43:43,669 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 20:43:43,669 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-28 20:43:43,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:43:43 BoogieIcfgContainer [2018-11-28 20:43:43,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 20:43:43,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 20:43:43,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 20:43:43,675 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 20:43:43,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:43:42" (1/3) ... [2018-11-28 20:43:43,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324c1c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:43:43, skipping insertion in model container [2018-11-28 20:43:43,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:43" (2/3) ... [2018-11-28 20:43:43,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324c1c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:43:43, skipping insertion in model container [2018-11-28 20:43:43,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:43:43" (3/3) ... [2018-11-28 20:43:43,680 INFO L112 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt_true-unreach-call.i [2018-11-28 20:43:43,715 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,715 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,716 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,716 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,716 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,716 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,716 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,717 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,718 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,718 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,718 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,719 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,719 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,719 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,719 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,719 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,721 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,721 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,722 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,722 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:43:43,741 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 20:43:43,742 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 20:43:43,750 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 20:43:43,768 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 20:43:43,794 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 20:43:43,795 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 20:43:43,795 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 20:43:43,795 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 20:43:43,796 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 20:43:43,796 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 20:43:43,796 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 20:43:43,796 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 20:43:43,796 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 20:43:43,804 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42places, 40 transitions [2018-11-28 20:43:43,840 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 432 states. [2018-11-28 20:43:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states. [2018-11-28 20:43:43,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 20:43:43,856 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:43:43,857 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] [2018-11-28 20:43:43,859 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:43:43,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:43:43,866 INFO L82 PathProgramCache]: Analyzing trace with hash 225777697, now seen corresponding path program 1 times [2018-11-28 20:43:43,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:43:43,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:43:43,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:43:43,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:43:43,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:43:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:43:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:43:44,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:43:44,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 20:43:44,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 20:43:44,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 20:43:44,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:43:44,164 INFO L87 Difference]: Start difference. First operand 432 states. Second operand 4 states. [2018-11-28 20:43:44,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:43:44,477 INFO L93 Difference]: Finished difference Result 442 states and 1059 transitions. [2018-11-28 20:43:44,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 20:43:44,480 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-11-28 20:43:44,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:43:44,505 INFO L225 Difference]: With dead ends: 442 [2018-11-28 20:43:44,505 INFO L226 Difference]: Without dead ends: 225 [2018-11-28 20:43:44,507 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 [2018-11-28 20:43:44,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-11-28 20:43:44,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-11-28 20:43:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-28 20:43:44,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 522 transitions. [2018-11-28 20:43:44,591 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 522 transitions. Word has length 23 [2018-11-28 20:43:44,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:43:44,591 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 522 transitions. [2018-11-28 20:43:44,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 20:43:44,592 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 522 transitions. [2018-11-28 20:43:44,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 20:43:44,594 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:43:44,594 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] [2018-11-28 20:43:44,595 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:43:44,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:43:44,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1052719777, now seen corresponding path program 1 times [2018-11-28 20:43:44,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:43:44,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:43:44,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:43:44,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:43:44,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:43:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:43:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:43:44,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:43:44,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 20:43:44,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 20:43:44,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 20:43:44,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:43:44,813 INFO L87 Difference]: Start difference. First operand 225 states and 522 transitions. Second operand 5 states. [2018-11-28 20:43:45,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:43:45,116 INFO L93 Difference]: Finished difference Result 193 states and 414 transitions. [2018-11-28 20:43:45,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 20:43:45,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-11-28 20:43:45,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:43:45,121 INFO L225 Difference]: With dead ends: 193 [2018-11-28 20:43:45,121 INFO L226 Difference]: Without dead ends: 169 [2018-11-28 20:43:45,123 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:43:45,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-11-28 20:43:45,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-11-28 20:43:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-11-28 20:43:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 368 transitions. [2018-11-28 20:43:45,148 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 368 transitions. Word has length 24 [2018-11-28 20:43:45,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:43:45,148 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 368 transitions. [2018-11-28 20:43:45,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 20:43:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 368 transitions. [2018-11-28 20:43:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 20:43:45,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:43:45,153 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] [2018-11-28 20:43:45,154 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:43:45,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:43:45,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1202471141, now seen corresponding path program 1 times [2018-11-28 20:43:45,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:43:45,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:43:45,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:43:45,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:43:45,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:43:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:43:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:43:45,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:43:45,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 20:43:45,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 20:43:45,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 20:43:45,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 20:43:45,311 INFO L87 Difference]: Start difference. First operand 169 states and 368 transitions. Second operand 6 states. [2018-11-28 20:43:45,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:43:45,583 INFO L93 Difference]: Finished difference Result 265 states and 592 transitions. [2018-11-28 20:43:45,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 20:43:45,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-28 20:43:45,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:43:45,585 INFO L225 Difference]: With dead ends: 265 [2018-11-28 20:43:45,585 INFO L226 Difference]: Without dead ends: 149 [2018-11-28 20:43:45,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 20:43:45,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-28 20:43:45,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-28 20:43:45,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-28 20:43:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 328 transitions. [2018-11-28 20:43:45,604 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 328 transitions. Word has length 25 [2018-11-28 20:43:45,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:43:45,604 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 328 transitions. [2018-11-28 20:43:45,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 20:43:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 328 transitions. [2018-11-28 20:43:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 20:43:45,608 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:43:45,608 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] [2018-11-28 20:43:45,609 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:43:45,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:43:45,609 INFO L82 PathProgramCache]: Analyzing trace with hash -6935323, now seen corresponding path program 2 times [2018-11-28 20:43:45,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:43:45,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:43:45,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:43:45,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:43:45,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:43:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:43:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:43:45,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:43:45,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 20:43:45,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 20:43:45,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 20:43:45,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-28 20:43:45,829 INFO L87 Difference]: Start difference. First operand 149 states and 328 transitions. Second operand 9 states. [2018-11-28 20:43:46,304 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-28 20:43:46,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:43:46,307 INFO L93 Difference]: Finished difference Result 117 states and 248 transitions. [2018-11-28 20:43:46,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 20:43:46,307 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-11-28 20:43:46,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:43:46,308 INFO L225 Difference]: With dead ends: 117 [2018-11-28 20:43:46,308 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 20:43:46,308 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-11-28 20:43:46,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 20:43:46,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 20:43:46,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 20:43:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 20:43:46,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-28 20:43:46,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:43:46,311 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 20:43:46,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 20:43:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 20:43:46,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 20:43:46,316 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-28 20:43:46,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:43:46 BasicIcfg [2018-11-28 20:43:46,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 20:43:46,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 20:43:46,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 20:43:46,319 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 20:43:46,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:43:43" (3/4) ... [2018-11-28 20:43:46,323 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 20:43:46,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-11-28 20:43:46,330 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-11-28 20:43:46,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-28 20:43:46,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 20:43:46,380 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 20:43:46,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 20:43:46,381 INFO L168 Benchmark]: Toolchain (without parser) took 4047.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 952.7 MB in the beginning and 926.9 MB in the end (delta: 25.8 MB). Peak memory consumption was 102.9 MB. Max. memory is 11.5 GB. [2018-11-28 20:43:46,382 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:43:46,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -101.4 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-11-28 20:43:46,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-28 20:43:46,385 INFO L168 Benchmark]: Boogie Preprocessor took 29.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:43:46,389 INFO L168 Benchmark]: RCFGBuilder took 523.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-28 20:43:46,390 INFO L168 Benchmark]: TraceAbstraction took 2646.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 926.9 MB in the end (delta: 100.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 11.5 GB. [2018-11-28 20:43:46,391 INFO L168 Benchmark]: Witness Printer took 61.77 ms. Allocated memory is still 1.1 GB. Free memory is still 926.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:43:46,395 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 726.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -101.4 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 523.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2646.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 926.9 MB in the end (delta: 100.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 11.5 GB. * Witness Printer took 61.77 ms. Allocated memory is still 1.1 GB. Free memory is still 926.9 MB. 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 5 procedures, 52 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 158 SDtfs, 139 SDslu, 432 SDs, 0 SdLazy, 74 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred 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, 0.6s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 5985 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...