./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread/stateful01_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread/stateful01_false-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 e5f5aaf67a26d8d63c558ff93d16121c180b5259 ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 22:19:36,670 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 22:19:36,671 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 22:19:36,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 22:19:36,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 22:19:36,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 22:19:36,687 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 22:19:36,689 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 22:19:36,690 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 22:19:36,691 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 22:19:36,696 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 22:19:36,696 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 22:19:36,697 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 22:19:36,698 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 22:19:36,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 22:19:36,700 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 22:19:36,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 22:19:36,708 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 22:19:36,710 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 22:19:36,712 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 22:19:36,713 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 22:19:36,714 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 22:19:36,717 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 22:19:36,717 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 22:19:36,717 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 22:19:36,719 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 22:19:36,720 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 22:19:36,721 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 22:19:36,722 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 22:19:36,723 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 22:19:36,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 22:19:36,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 22:19:36,724 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 22:19:36,724 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 22:19:36,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 22:19:36,726 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 22:19:36,727 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 22:19:36,743 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 22:19:36,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 22:19:36,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 22:19:36,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 22:19:36,745 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 22:19:36,746 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 22:19:36,746 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 22:19:36,746 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 22:19:36,746 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 22:19:36,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 22:19:36,747 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 22:19:36,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 22:19:36,747 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 22:19:36,747 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 22:19:36,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 22:19:36,748 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 22:19:36,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 22:19:36,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 22:19:36,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 22:19:36,749 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 22:19:36,749 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 22:19:36,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 22:19:36,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 22:19:36,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 22:19:36,750 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 22:19:36,750 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 22:19:36,750 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 22:19:36,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 22:19:36,750 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 -> e5f5aaf67a26d8d63c558ff93d16121c180b5259 [2019-01-12 22:19:36,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 22:19:36,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 22:19:36,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 22:19:36,806 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 22:19:36,807 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 22:19:36,807 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread/stateful01_false-unreach-call.i [2019-01-12 22:19:36,872 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8858534/ceec021b178c4f7eb77610fee8d0e42d/FLAG5969f273f [2019-01-12 22:19:37,435 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 22:19:37,437 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread/stateful01_false-unreach-call.i [2019-01-12 22:19:37,455 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8858534/ceec021b178c4f7eb77610fee8d0e42d/FLAG5969f273f [2019-01-12 22:19:37,696 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8858534/ceec021b178c4f7eb77610fee8d0e42d [2019-01-12 22:19:37,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 22:19:37,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 22:19:37,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 22:19:37,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 22:19:37,715 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 22:19:37,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:19:37" (1/1) ... [2019-01-12 22:19:37,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700d6f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:37, skipping insertion in model container [2019-01-12 22:19:37,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:19:37" (1/1) ... [2019-01-12 22:19:37,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 22:19:37,804 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 22:19:38,256 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:19:38,278 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 22:19:38,429 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:19:38,502 INFO L195 MainTranslator]: Completed translation [2019-01-12 22:19:38,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38 WrapperNode [2019-01-12 22:19:38,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 22:19:38,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 22:19:38,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 22:19:38,504 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 22:19:38,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (1/1) ... [2019-01-12 22:19:38,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (1/1) ... [2019-01-12 22:19:38,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 22:19:38,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 22:19:38,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 22:19:38,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 22:19:38,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (1/1) ... [2019-01-12 22:19:38,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (1/1) ... [2019-01-12 22:19:38,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (1/1) ... [2019-01-12 22:19:38,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (1/1) ... [2019-01-12 22:19:38,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (1/1) ... [2019-01-12 22:19:38,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (1/1) ... [2019-01-12 22:19:38,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (1/1) ... [2019-01-12 22:19:38,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 22:19:38,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 22:19:38,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 22:19:38,590 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 22:19:38,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 22:19:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 22:19:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-01-12 22:19:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-01-12 22:19:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-01-12 22:19:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-01-12 22:19:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 22:19:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-01-12 22:19:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 22:19:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 22:19:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 22:19:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 22:19:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 22:19:38,668 WARN L204 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-12 22:19:39,253 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 22:19:39,254 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-12 22:19:39,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:19:39 BoogieIcfgContainer [2019-01-12 22:19:39,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 22:19:39,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 22:19:39,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 22:19:39,261 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 22:19:39,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:19:37" (1/3) ... [2019-01-12 22:19:39,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8c3ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:19:39, skipping insertion in model container [2019-01-12 22:19:39,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:19:38" (2/3) ... [2019-01-12 22:19:39,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8c3ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:19:39, skipping insertion in model container [2019-01-12 22:19:39,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:19:39" (3/3) ... [2019-01-12 22:19:39,266 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01_false-unreach-call.i [2019-01-12 22:19:39,304 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,305 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,305 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,305 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,306 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,307 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,307 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,308 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,308 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,309 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,309 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,310 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,310 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,310 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,311 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,311 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,312 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,312 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,313 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,313 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,313 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,313 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,314 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,314 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,314 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,314 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:19:39,373 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-12 22:19:39,373 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 22:19:39,384 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 22:19:39,402 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 22:19:39,430 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 22:19:39,431 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 22:19:39,431 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 22:19:39,431 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 22:19:39,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 22:19:39,431 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 22:19:39,431 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 22:19:39,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 22:19:39,432 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 22:19:39,444 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75places, 75 transitions [2019-01-12 22:19:39,508 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 746 states. [2019-01-12 22:19:39,512 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states. [2019-01-12 22:19:39,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-01-12 22:19:39,552 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 22:19:39,553 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] [2019-01-12 22:19:39,557 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 22:19:39,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 22:19:39,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1424422386, now seen corresponding path program 1 times [2019-01-12 22:19:39,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 22:19:39,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 22:19:39,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 22:19:39,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 22:19:39,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 22:19:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 22:19:39,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 22:19:39,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 22:19:39,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 22:19:39,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 22:19:39,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 22:19:39,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 22:19:39,921 INFO L87 Difference]: Start difference. First operand 746 states. Second operand 3 states. [2019-01-12 22:19:40,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 22:19:40,117 INFO L93 Difference]: Finished difference Result 566 states and 1170 transitions. [2019-01-12 22:19:40,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 22:19:40,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-01-12 22:19:40,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 22:19:40,142 INFO L225 Difference]: With dead ends: 566 [2019-01-12 22:19:40,142 INFO L226 Difference]: Without dead ends: 558 [2019-01-12 22:19:40,144 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 [2019-01-12 22:19:40,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2019-01-12 22:19:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2019-01-12 22:19:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2019-01-12 22:19:40,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 1162 transitions. [2019-01-12 22:19:40,237 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 1162 transitions. Word has length 64 [2019-01-12 22:19:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 22:19:40,238 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 1162 transitions. [2019-01-12 22:19:40,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 22:19:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1162 transitions. [2019-01-12 22:19:40,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-01-12 22:19:40,242 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 22:19:40,242 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] [2019-01-12 22:19:40,242 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 22:19:40,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 22:19:40,243 INFO L82 PathProgramCache]: Analyzing trace with hash 702345874, now seen corresponding path program 2 times [2019-01-12 22:19:40,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 22:19:40,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 22:19:40,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 22:19:40,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 22:19:40,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 22:19:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 22:19:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 22:19:40,415 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 22:19:40,521 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-12 22:19:40,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 10:19:40 BasicIcfg [2019-01-12 22:19:40,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 22:19:40,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 22:19:40,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 22:19:40,529 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 22:19:40,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:19:39" (3/4) ... [2019-01-12 22:19:40,534 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 22:19:40,646 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 22:19:40,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 22:19:40,647 INFO L168 Benchmark]: Toolchain (without parser) took 2943.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 950.0 MB in the beginning and 1.0 GB in the end (delta: -56.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. [2019-01-12 22:19:40,649 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 22:19:40,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-01-12 22:19:40,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 22:19:40,652 INFO L168 Benchmark]: Boogie Preprocessor took 27.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 22:19:40,652 INFO L168 Benchmark]: RCFGBuilder took 666.25 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-01-12 22:19:40,653 INFO L168 Benchmark]: TraceAbstraction took 1270.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. [2019-01-12 22:19:40,653 INFO L168 Benchmark]: Witness Printer took 117.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 22:19:40,659 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 796.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.41 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 27.85 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 666.25 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1270.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. * Witness Printer took 117.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1245]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1196] -1 pthread_mutex_t ma, mb; VAL [ma={1:0}, mb={-2:0}] [L1197] -1 int data1, data2; VAL [data1=0, data2=0, ma={1:0}, mb={-2:0}] [L1229] -1 pthread_t t1, t2; VAL [data1=0, data2=0, ma={1:0}, mb={-2:0}] [L1234] -1 data1 = 10 VAL [data1=10, data2=0, ma={1:0}, mb={-2:0}] [L1235] -1 data2 = 10 VAL [data1=10, data2=10, ma={1:0}, mb={-2:0}] [L1237] FCALL, FORK -1 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={1:0}, mb={-2:0}] [L1238] FCALL, FORK -1 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=10, data2=10, ma={1:0}, mb={-2:0}] [L1216] 1 data1+=5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=10, ma={1:0}, mb={-2:0}] [L1240] -1 \read(t1) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=10, ma={1:0}, mb={-2:0}] [L1202] 0 data1++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=10, ma={1:0}, mb={-2:0}] [L1206] 0 data2++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={1:0}, mb={-2:0}] [L1209] 0 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={1:0}, mb={-2:0}] [L1240] FCALL, JOIN 0 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={1:0}, mb={-2:0}] [L1241] -1 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={1:0}, mb={-2:0}] [L1220] 1 data2-=6 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={1:0}, mb={-2:0}] [L1223] 1 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={1:0}, mb={-2:0}] [L1241] FCALL, JOIN 1 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={1:0}, mb={-2:0}] [L1243] COND TRUE -1 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={1:0}, mb={-2:0}] [L1245] -1 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={1:0}, mb={-2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 103 locations, 1 error locations. UNSAFE Result, 1.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 SDtfs, 27 SDslu, 46 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 4347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...