./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer --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 7a6c25ae72d2dc3997c0136a199d1a863c00aa13 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:42:20,717 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:42:20,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:42:20,724 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:42:20,724 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:42:20,724 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:42:20,725 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:42:20,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:42:20,727 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:42:20,727 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:42:20,727 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:42:20,727 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:42:20,728 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:42:20,728 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:42:20,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:42:20,729 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:42:20,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:42:20,730 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:42:20,731 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:42:20,732 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:42:20,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:42:20,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:42:20,734 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:42:20,734 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:42:20,734 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:42:20,735 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:42:20,735 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:42:20,736 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:42:20,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:42:20,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:42:20,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:42:20,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:42:20,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:42:20,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:42:20,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:42:20,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:42:20,738 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 18:42:20,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:42:20,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:42:20,746 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:42:20,746 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 18:42:20,746 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:42:20,746 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:42:20,747 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 18:42:20,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:42:20,747 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:42:20,747 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:42:20,747 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:42:20,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:42:20,747 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:42:20,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:42:20,747 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:42:20,747 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:42:20,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:42:20,748 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:42:20,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:42:20,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:42:20,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 18:42:20,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:42:20,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 18:42:20,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 18:42:20,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:42:20,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:42:20,748 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:42:20,749 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 18:42:20,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:42:20,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:42:20,749 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer 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 -> 7a6c25ae72d2dc3997c0136a199d1a863c00aa13 [2018-12-01 18:42:20,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:42:20,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:42:20,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:42:20,780 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:42:20,780 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:42:20,781 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt_true-unreach-call.i [2018-12-01 18:42:20,817 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/data/d4544c486/074e1fbd2eb14b13bc36bcc4ca5844c4/FLAG6c01c45aa [2018-12-01 18:42:21,272 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:42:21,272 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/sv-benchmarks/c/pthread-wmm/safe001_tso.opt_true-unreach-call.i [2018-12-01 18:42:21,278 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/data/d4544c486/074e1fbd2eb14b13bc36bcc4ca5844c4/FLAG6c01c45aa [2018-12-01 18:42:21,287 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/data/d4544c486/074e1fbd2eb14b13bc36bcc4ca5844c4 [2018-12-01 18:42:21,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:42:21,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:42:21,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:42:21,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:42:21,293 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:42:21,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198b87e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21, skipping insertion in model container [2018-12-01 18:42:21,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:42:21,329 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:42:21,509 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:42:21,516 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:42:21,584 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:42:21,616 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:42:21,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21 WrapperNode [2018-12-01 18:42:21,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:42:21,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:42:21,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:42:21,617 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:42:21,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:42:21,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:42:21,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:42:21,647 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:42:21,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (1/1) ... [2018-12-01 18:42:21,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:42:21,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:42:21,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:42:21,665 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:42:21,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/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 [2018-12-01 18:42:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:42:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 18:42:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-01 18:42:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 18:42:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-01 18:42:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-01 18:42:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-01 18:42:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-01 18:42:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-12-01 18:42:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-12-01 18:42:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-01 18:42:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:42:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:42:21,702 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-01 18:42:21,840 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:42:21,840 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-01 18:42:21,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:42:21 BoogieIcfgContainer [2018-12-01 18:42:21,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:42:21,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 18:42:21,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 18:42:21,843 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 18:42:21,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 06:42:21" (1/3) ... [2018-12-01 18:42:21,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a02aeed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 06:42:21, skipping insertion in model container [2018-12-01 18:42:21,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:21" (2/3) ... [2018-12-01 18:42:21,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a02aeed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 06:42:21, skipping insertion in model container [2018-12-01 18:42:21,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:42:21" (3/3) ... [2018-12-01 18:42:21,845 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_tso.opt_true-unreach-call.i [2018-12-01 18:42:21,864 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,865 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,865 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,865 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,865 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,865 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,865 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,865 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,865 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,865 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,866 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,866 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,866 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,866 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,866 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,866 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,866 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,866 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,866 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,866 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,867 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,867 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 18:42:21,873 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-01 18:42:21,873 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 18:42:21,878 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 18:42:21,886 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 18:42:21,900 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 18:42:21,901 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 18:42:21,901 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 18:42:21,901 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 18:42:21,901 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 18:42:21,901 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 18:42:21,901 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 18:42:21,901 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 18:42:21,901 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 18:42:21,906 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 52 transitions [2018-12-01 18:42:21,957 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2384 states. [2018-12-01 18:42:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states. [2018-12-01 18:42:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 18:42:21,967 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:42:21,968 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] [2018-12-01 18:42:21,969 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:42:21,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:42:21,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1523724345, now seen corresponding path program 1 times [2018-12-01 18:42:21,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:42:21,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:42:22,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:42:22,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:22,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:42:22,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 18:42:22,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 18:42:22,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 18:42:22,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 18:42:22,142 INFO L87 Difference]: Start difference. First operand 2384 states. Second operand 4 states. [2018-12-01 18:42:22,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:42:22,203 INFO L93 Difference]: Finished difference Result 2492 states and 8068 transitions. [2018-12-01 18:42:22,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 18:42:22,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-12-01 18:42:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:42:22,219 INFO L225 Difference]: With dead ends: 2492 [2018-12-01 18:42:22,219 INFO L226 Difference]: Without dead ends: 1127 [2018-12-01 18:42:22,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-01 18:42:22,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2018-12-01 18:42:22,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2018-12-01 18:42:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2018-12-01 18:42:22,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 3557 transitions. [2018-12-01 18:42:22,280 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 3557 transitions. Word has length 29 [2018-12-01 18:42:22,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:42:22,280 INFO L480 AbstractCegarLoop]: Abstraction has 1127 states and 3557 transitions. [2018-12-01 18:42:22,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 18:42:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 3557 transitions. [2018-12-01 18:42:22,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 18:42:22,282 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:42:22,282 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] [2018-12-01 18:42:22,282 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:42:22,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:42:22,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1285499803, now seen corresponding path program 1 times [2018-12-01 18:42:22,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:42:22,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:42:22,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:42:22,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:22,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:42:22,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 18:42:22,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 18:42:22,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 18:42:22,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-01 18:42:22,349 INFO L87 Difference]: Start difference. First operand 1127 states and 3557 transitions. Second operand 5 states. [2018-12-01 18:42:22,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:42:22,404 INFO L93 Difference]: Finished difference Result 1167 states and 3551 transitions. [2018-12-01 18:42:22,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 18:42:22,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-12-01 18:42:22,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:42:22,410 INFO L225 Difference]: With dead ends: 1167 [2018-12-01 18:42:22,410 INFO L226 Difference]: Without dead ends: 1043 [2018-12-01 18:42:22,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-01 18:42:22,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2018-12-01 18:42:22,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2018-12-01 18:42:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2018-12-01 18:42:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 3242 transitions. [2018-12-01 18:42:22,434 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 3242 transitions. Word has length 30 [2018-12-01 18:42:22,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:42:22,435 INFO L480 AbstractCegarLoop]: Abstraction has 1043 states and 3242 transitions. [2018-12-01 18:42:22,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 18:42:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 3242 transitions. [2018-12-01 18:42:22,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 18:42:22,437 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:42:22,437 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] [2018-12-01 18:42:22,437 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:42:22,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:42:22,437 INFO L82 PathProgramCache]: Analyzing trace with hash 171977797, now seen corresponding path program 1 times [2018-12-01 18:42:22,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:42:22,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:42:22,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:42:22,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:22,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:42:22,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 18:42:22,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 18:42:22,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 18:42:22,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 18:42:22,494 INFO L87 Difference]: Start difference. First operand 1043 states and 3242 transitions. Second operand 6 states. [2018-12-01 18:42:22,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:42:22,555 INFO L93 Difference]: Finished difference Result 819 states and 2378 transitions. [2018-12-01 18:42:22,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 18:42:22,555 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-12-01 18:42:22,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:42:22,559 INFO L225 Difference]: With dead ends: 819 [2018-12-01 18:42:22,559 INFO L226 Difference]: Without dead ends: 707 [2018-12-01 18:42:22,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-12-01 18:42:22,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-12-01 18:42:22,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2018-12-01 18:42:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2018-12-01 18:42:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 2066 transitions. [2018-12-01 18:42:22,579 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 2066 transitions. Word has length 31 [2018-12-01 18:42:22,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:42:22,580 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 2066 transitions. [2018-12-01 18:42:22,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 18:42:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 2066 transitions. [2018-12-01 18:42:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 18:42:22,581 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:42:22,582 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] [2018-12-01 18:42:22,582 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:42:22,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:42:22,582 INFO L82 PathProgramCache]: Analyzing trace with hash -438647425, now seen corresponding path program 1 times [2018-12-01 18:42:22,582 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:42:22,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:42:22,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:42:22,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:22,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:22,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:42:22,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 18:42:22,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 18:42:22,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 18:42:22,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 18:42:22,669 INFO L87 Difference]: Start difference. First operand 707 states and 2066 transitions. Second operand 7 states. [2018-12-01 18:42:22,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:42:22,741 INFO L93 Difference]: Finished difference Result 1187 states and 3490 transitions. [2018-12-01 18:42:22,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 18:42:22,742 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-01 18:42:22,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:42:22,745 INFO L225 Difference]: With dead ends: 1187 [2018-12-01 18:42:22,745 INFO L226 Difference]: Without dead ends: 671 [2018-12-01 18:42:22,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-01 18:42:22,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2018-12-01 18:42:22,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2018-12-01 18:42:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2018-12-01 18:42:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1974 transitions. [2018-12-01 18:42:22,765 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1974 transitions. Word has length 32 [2018-12-01 18:42:22,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:42:22,765 INFO L480 AbstractCegarLoop]: Abstraction has 671 states and 1974 transitions. [2018-12-01 18:42:22,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 18:42:22,765 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1974 transitions. [2018-12-01 18:42:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 18:42:22,767 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:42:22,767 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] [2018-12-01 18:42:22,767 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:42:22,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:42:22,767 INFO L82 PathProgramCache]: Analyzing trace with hash -2071656967, now seen corresponding path program 2 times [2018-12-01 18:42:22,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:42:22,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:42:22,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:42:22,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:22,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:42:22,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 18:42:22,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 18:42:22,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 18:42:22,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 18:42:22,831 INFO L87 Difference]: Start difference. First operand 671 states and 1974 transitions. Second operand 7 states. [2018-12-01 18:42:22,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:42:22,982 INFO L93 Difference]: Finished difference Result 1839 states and 5566 transitions. [2018-12-01 18:42:22,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-01 18:42:22,983 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-01 18:42:22,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:42:22,985 INFO L225 Difference]: With dead ends: 1839 [2018-12-01 18:42:22,985 INFO L226 Difference]: Without dead ends: 571 [2018-12-01 18:42:22,985 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2018-12-01 18:42:22,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2018-12-01 18:42:22,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2018-12-01 18:42:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-12-01 18:42:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 1702 transitions. [2018-12-01 18:42:22,994 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 1702 transitions. Word has length 32 [2018-12-01 18:42:22,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:42:22,994 INFO L480 AbstractCegarLoop]: Abstraction has 571 states and 1702 transitions. [2018-12-01 18:42:22,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 18:42:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1702 transitions. [2018-12-01 18:42:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 18:42:22,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:42:22,995 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] [2018-12-01 18:42:22,995 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:42:22,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:42:22,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1109604127, now seen corresponding path program 3 times [2018-12-01 18:42:22,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:42:22,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:42:22,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:22,998 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 18:42:22,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:42:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:23,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:42:23,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 18:42:23,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 18:42:23,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 18:42:23,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 18:42:23,040 INFO L87 Difference]: Start difference. First operand 571 states and 1702 transitions. Second operand 6 states. [2018-12-01 18:42:23,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:42:23,077 INFO L93 Difference]: Finished difference Result 443 states and 1286 transitions. [2018-12-01 18:42:23,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 18:42:23,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-12-01 18:42:23,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:42:23,077 INFO L225 Difference]: With dead ends: 443 [2018-12-01 18:42:23,078 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 18:42:23,078 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-01 18:42:23,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 18:42:23,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 18:42:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 18:42:23,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 18:42:23,079 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-12-01 18:42:23,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:42:23,079 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 18:42:23,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 18:42:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 18:42:23,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:42:23,082 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-01 18:42:23,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 06:42:23 BasicIcfg [2018-12-01 18:42:23,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 18:42:23,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:42:23,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:42:23,084 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:42:23,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:42:21" (3/4) ... [2018-12-01 18:42:23,087 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:42:23,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-12-01 18:42:23,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-12-01 18:42:23,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-12-01 18:42:23,097 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-01 18:42:23,097 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 18:42:23,131 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_51af03d2-38db-465f-8322-1c06839860a5/bin-2019/uautomizer/witness.graphml [2018-12-01 18:42:23,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:42:23,132 INFO L168 Benchmark]: Toolchain (without parser) took 1842.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.6 MB in the beginning and 845.0 MB in the end (delta: 105.6 MB). Peak memory consumption was 246.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:42:23,133 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:42:23,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:42:23,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.76 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. [2018-12-01 18:42:23,134 INFO L168 Benchmark]: Boogie Preprocessor took 17.99 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:42:23,134 INFO L168 Benchmark]: RCFGBuilder took 175.23 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:42:23,134 INFO L168 Benchmark]: TraceAbstraction took 1242.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 848.4 MB in the end (delta: 241.4 MB). Peak memory consumption was 241.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:42:23,135 INFO L168 Benchmark]: Witness Printer took 47.77 ms. Allocated memory is still 1.2 GB. Free memory was 848.4 MB in the beginning and 845.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:42:23,137 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.76 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 17.99 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.23 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1242.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 848.4 MB in the end (delta: 241.4 MB). Peak memory consumption was 241.4 MB. Max. memory is 11.5 GB. * Witness Printer took 47.77 ms. Allocated memory is still 1.2 GB. Free memory was 848.4 MB in the beginning and 845.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 70 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 395 SDtfs, 428 SDslu, 1006 SDs, 0 SdLazy, 137 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2384occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 13394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...