./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread/stateful01_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/stateful01_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 df5358766477287cbf5f72515a3b367ae9dfb054 ................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 17:26:56,510 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 17:26:56,512 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 17:26:56,524 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 17:26:56,524 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 17:26:56,525 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 17:26:56,526 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 17:26:56,528 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 17:26:56,530 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 17:26:56,530 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 17:26:56,531 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 17:26:56,532 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 17:26:56,533 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 17:26:56,534 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 17:26:56,535 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 17:26:56,535 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 17:26:56,536 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 17:26:56,538 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 17:26:56,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 17:26:56,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 17:26:56,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 17:26:56,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 17:26:56,550 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 17:26:56,551 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 17:26:56,551 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 17:26:56,552 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 17:26:56,553 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 17:26:56,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 17:26:56,554 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 17:26:56,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 17:26:56,555 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 17:26:56,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 17:26:56,556 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 17:26:56,556 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 17:26:56,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 17:26:56,558 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 17:26:56,558 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 17:26:56,573 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 17:26:56,573 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 17:26:56,575 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 17:26:56,575 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 17:26:56,575 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 17:26:56,575 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 17:26:56,575 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 17:26:56,576 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 17:26:56,576 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 17:26:56,576 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 17:26:56,576 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 17:26:56,576 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 17:26:56,576 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 17:26:56,577 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 17:26:56,577 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 17:26:56,577 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 17:26:56,577 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 17:26:56,577 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 17:26:56,578 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 17:26:56,578 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 17:26:56,578 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 17:26:56,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 17:26:56,578 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 17:26:56,578 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 17:26:56,579 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 17:26:56,579 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 17:26:56,579 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 17:26:56,579 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 17:26:56,579 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 -> df5358766477287cbf5f72515a3b367ae9dfb054 [2018-12-31 17:26:56,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 17:26:56,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 17:26:56,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 17:26:56,636 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 17:26:56,637 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 17:26:56,638 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread/stateful01_true-unreach-call.i [2018-12-31 17:26:56,702 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf40b7de/106b9eb4dd0f4b64ac257f147d2483d2/FLAG99d6d64f0 [2018-12-31 17:26:57,196 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 17:26:57,197 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread/stateful01_true-unreach-call.i [2018-12-31 17:26:57,223 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf40b7de/106b9eb4dd0f4b64ac257f147d2483d2/FLAG99d6d64f0 [2018-12-31 17:26:57,484 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf40b7de/106b9eb4dd0f4b64ac257f147d2483d2 [2018-12-31 17:26:57,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 17:26:57,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 17:26:57,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 17:26:57,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 17:26:57,500 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 17:26:57,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:26:57" (1/1) ... [2018-12-31 17:26:57,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22eac36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:57, skipping insertion in model container [2018-12-31 17:26:57,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:26:57" (1/1) ... [2018-12-31 17:26:57,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 17:26:57,570 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 17:26:57,982 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:26:58,004 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 17:26:58,194 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 17:26:58,291 INFO L195 MainTranslator]: Completed translation [2018-12-31 17:26:58,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58 WrapperNode [2018-12-31 17:26:58,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 17:26:58,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 17:26:58,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 17:26:58,292 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 17:26:58,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (1/1) ... [2018-12-31 17:26:58,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (1/1) ... [2018-12-31 17:26:58,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 17:26:58,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 17:26:58,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 17:26:58,340 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 17:26:58,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (1/1) ... [2018-12-31 17:26:58,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (1/1) ... [2018-12-31 17:26:58,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (1/1) ... [2018-12-31 17:26:58,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (1/1) ... [2018-12-31 17:26:58,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (1/1) ... [2018-12-31 17:26:58,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (1/1) ... [2018-12-31 17:26:58,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (1/1) ... [2018-12-31 17:26:58,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 17:26:58,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 17:26:58,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 17:26:58,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 17:26:58,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (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 [2018-12-31 17:26:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 17:26:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-12-31 17:26:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-12-31 17:26:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-12-31 17:26:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-12-31 17:26:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 17:26:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-12-31 17:26:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 17:26:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 17:26:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 17:26:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 17:26:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 17:26:58,443 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-31 17:26:59,040 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 17:26:59,041 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-31 17:26:59,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:26:59 BoogieIcfgContainer [2018-12-31 17:26:59,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 17:26:59,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 17:26:59,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 17:26:59,049 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 17:26:59,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:26:57" (1/3) ... [2018-12-31 17:26:59,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28822461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:26:59, skipping insertion in model container [2018-12-31 17:26:59,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:26:58" (2/3) ... [2018-12-31 17:26:59,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28822461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:26:59, skipping insertion in model container [2018-12-31 17:26:59,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:26:59" (3/3) ... [2018-12-31 17:26:59,053 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01_true-unreach-call.i [2018-12-31 17:26:59,090 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,090 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,090 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,090 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,091 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,091 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,091 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,093 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,093 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,093 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,094 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,094 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,094 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,094 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,094 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,095 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,095 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,095 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,095 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,096 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,096 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,096 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,096 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,097 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,097 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,097 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 17:26:59,120 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 17:26:59,121 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 17:26:59,129 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 17:26:59,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 17:26:59,173 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 17:26:59,174 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 17:26:59,174 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 17:26:59,174 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 17:26:59,174 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 17:26:59,175 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 17:26:59,175 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 17:26:59,175 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 17:26:59,175 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 17:26:59,185 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75places, 75 transitions [2018-12-31 17:26:59,226 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 746 states. [2018-12-31 17:26:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states. [2018-12-31 17:26:59,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-31 17:26:59,255 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 17:26:59,256 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 17:26:59,259 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 17:26:59,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 17:26:59,265 INFO L82 PathProgramCache]: Analyzing trace with hash 116642606, now seen corresponding path program 1 times [2018-12-31 17:26:59,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 17:26:59,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 17:26:59,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:26:59,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 17:26:59,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:26:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 17:26:59,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 17:26:59,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 17:26:59,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 17:26:59,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 17:26:59,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 17:26:59,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 17:26:59,976 INFO L87 Difference]: Start difference. First operand 746 states. Second operand 5 states. [2018-12-31 17:27:00,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 17:27:00,225 INFO L93 Difference]: Finished difference Result 746 states and 1745 transitions. [2018-12-31 17:27:00,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 17:27:00,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-31 17:27:00,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 17:27:00,252 INFO L225 Difference]: With dead ends: 746 [2018-12-31 17:27:00,253 INFO L226 Difference]: Without dead ends: 690 [2018-12-31 17:27:00,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 17:27:00,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2018-12-31 17:27:00,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 690. [2018-12-31 17:27:00,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2018-12-31 17:27:00,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1644 transitions. [2018-12-31 17:27:00,356 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1644 transitions. Word has length 64 [2018-12-31 17:27:00,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 17:27:00,358 INFO L480 AbstractCegarLoop]: Abstraction has 690 states and 1644 transitions. [2018-12-31 17:27:00,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 17:27:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1644 transitions. [2018-12-31 17:27:00,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-31 17:27:00,368 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 17:27:00,368 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 17:27:00,369 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 17:27:00,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 17:27:00,369 INFO L82 PathProgramCache]: Analyzing trace with hash -627666510, now seen corresponding path program 1 times [2018-12-31 17:27:00,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 17:27:00,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 17:27:00,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:27:00,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 17:27:00,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:27:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 17:27:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 17:27:00,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 17:27:00,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 17:27:00,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 17:27:00,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 17:27:00,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 17:27:00,521 INFO L87 Difference]: Start difference. First operand 690 states and 1644 transitions. Second operand 3 states. [2018-12-31 17:27:00,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 17:27:00,679 INFO L93 Difference]: Finished difference Result 510 states and 1068 transitions. [2018-12-31 17:27:00,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 17:27:00,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-31 17:27:00,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 17:27:00,687 INFO L225 Difference]: With dead ends: 510 [2018-12-31 17:27:00,688 INFO L226 Difference]: Without dead ends: 510 [2018-12-31 17:27:00,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 17:27:00,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2018-12-31 17:27:00,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2018-12-31 17:27:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2018-12-31 17:27:00,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 1068 transitions. [2018-12-31 17:27:00,718 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 1068 transitions. Word has length 64 [2018-12-31 17:27:00,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 17:27:00,719 INFO L480 AbstractCegarLoop]: Abstraction has 510 states and 1068 transitions. [2018-12-31 17:27:00,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 17:27:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1068 transitions. [2018-12-31 17:27:00,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-31 17:27:00,725 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 17:27:00,726 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 17:27:00,726 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 17:27:00,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 17:27:00,728 INFO L82 PathProgramCache]: Analyzing trace with hash 2136323154, now seen corresponding path program 2 times [2018-12-31 17:27:00,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 17:27:00,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 17:27:00,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:27:00,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 17:27:00,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:27:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 17:27:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 17:27:01,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 17:27:01,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 17:27:01,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 17:27:01,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 17:27:01,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 17:27:01,065 INFO L87 Difference]: Start difference. First operand 510 states and 1068 transitions. Second operand 6 states. [2018-12-31 17:27:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 17:27:01,269 INFO L93 Difference]: Finished difference Result 677 states and 1421 transitions. [2018-12-31 17:27:01,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 17:27:01,270 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-12-31 17:27:01,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 17:27:01,274 INFO L225 Difference]: With dead ends: 677 [2018-12-31 17:27:01,274 INFO L226 Difference]: Without dead ends: 390 [2018-12-31 17:27:01,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-31 17:27:01,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-12-31 17:27:01,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2018-12-31 17:27:01,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-12-31 17:27:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 796 transitions. [2018-12-31 17:27:01,289 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 796 transitions. Word has length 64 [2018-12-31 17:27:01,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 17:27:01,290 INFO L480 AbstractCegarLoop]: Abstraction has 390 states and 796 transitions. [2018-12-31 17:27:01,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 17:27:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 796 transitions. [2018-12-31 17:27:01,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-31 17:27:01,293 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 17:27:01,294 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 17:27:01,294 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 17:27:01,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 17:27:01,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1530042026, now seen corresponding path program 3 times [2018-12-31 17:27:01,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 17:27:01,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 17:27:01,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:27:01,300 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-31 17:27:01,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 17:27:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 17:27:01,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 17:27:01,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 17:27:01,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 17:27:01,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 17:27:01,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 17:27:01,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 17:27:01,590 INFO L87 Difference]: Start difference. First operand 390 states and 796 transitions. Second operand 6 states. [2018-12-31 17:27:01,792 WARN L181 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-31 17:27:01,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 17:27:01,940 INFO L93 Difference]: Finished difference Result 388 states and 794 transitions. [2018-12-31 17:27:01,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 17:27:01,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-12-31 17:27:01,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 17:27:01,946 INFO L225 Difference]: With dead ends: 388 [2018-12-31 17:27:01,946 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 17:27:01,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-31 17:27:01,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 17:27:01,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 17:27:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 17:27:01,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 17:27:01,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-12-31 17:27:01,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 17:27:01,954 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 17:27:01,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 17:27:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 17:27:01,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 17:27:01,958 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-31 17:27:01,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 05:27:01 BasicIcfg [2018-12-31 17:27:01,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 17:27:01,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 17:27:01,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 17:27:01,963 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 17:27:01,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:26:59" (3/4) ... [2018-12-31 17:27:01,968 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 17:27:01,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2018-12-31 17:27:01,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2018-12-31 17:27:01,985 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-31 17:27:01,986 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-31 17:27:02,062 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 17:27:02,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 17:27:02,063 INFO L168 Benchmark]: Toolchain (without parser) took 4574.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 951.4 MB in the beginning and 966.9 MB in the end (delta: -15.5 MB). Peak memory consumption was 145.4 MB. Max. memory is 11.5 GB. [2018-12-31 17:27:02,064 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. [2018-12-31 17:27:02,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-12-31 17:27:02,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 17:27:02,066 INFO L168 Benchmark]: Boogie Preprocessor took 29.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 17:27:02,067 INFO L168 Benchmark]: RCFGBuilder took 672.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-31 17:27:02,067 INFO L168 Benchmark]: TraceAbstraction took 2915.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.9 MB in the end (delta: 142.8 MB). Peak memory consumption was 142.8 MB. Max. memory is 11.5 GB. [2018-12-31 17:27:02,068 INFO L168 Benchmark]: Witness Printer took 100.50 ms. Allocated memory is still 1.2 GB. Free memory is still 966.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 17:27:02,071 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 799.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 672.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2915.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.9 MB in the end (delta: 142.8 MB). Peak memory consumption was 142.8 MB. Max. memory is 11.5 GB. * Witness Printer took 100.50 ms. Allocated memory is still 1.2 GB. Free memory is still 966.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1245]: 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, 103 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 359 SDtfs, 172 SDslu, 738 SDs, 0 SdLazy, 87 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=746occurred 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, 1.1s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 59157 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...