./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-atomic/szymanski_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-atomic/szymanski_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d5d738785469032c070cabc60204008ea544832 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 19:35:27,893 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 19:35:27,896 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 19:35:27,916 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 19:35:27,917 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 19:35:27,919 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 19:35:27,921 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 19:35:27,924 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 19:35:27,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 19:35:27,932 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 19:35:27,935 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 19:35:27,936 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 19:35:27,937 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 19:35:27,940 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 19:35:27,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 19:35:27,948 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 19:35:27,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 19:35:27,954 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 19:35:27,958 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 19:35:27,960 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 19:35:27,961 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 19:35:27,964 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 19:35:27,968 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 19:35:27,970 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 19:35:27,970 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 19:35:27,971 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 19:35:27,972 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 19:35:27,975 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 19:35:27,977 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 19:35:27,978 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 19:35:27,980 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 19:35:27,982 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 19:35:27,983 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 19:35:27,983 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 19:35:27,986 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 19:35:27,987 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 19:35:27,989 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 19:35:28,012 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 19:35:28,012 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 19:35:28,013 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 19:35:28,013 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 19:35:28,014 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 19:35:28,014 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 19:35:28,014 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 19:35:28,017 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 19:35:28,017 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 19:35:28,017 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 19:35:28,018 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 19:35:28,018 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 19:35:28,018 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 19:35:28,018 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 19:35:28,018 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 19:35:28,018 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 19:35:28,019 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 19:35:28,019 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 19:35:28,019 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 19:35:28,019 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 19:35:28,019 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 19:35:28,019 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 19:35:28,021 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 19:35:28,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 19:35:28,022 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 19:35:28,022 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 19:35:28,022 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 19:35:28,022 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 19:35:28,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 19:35:28,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 19:35:28,023 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 -> 3d5d738785469032c070cabc60204008ea544832 [2018-11-28 19:35:28,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 19:35:28,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 19:35:28,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 19:35:28,117 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 19:35:28,118 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 19:35:28,119 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-28 19:35:28,184 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7e5547a/012d1e7c12a0418b93bb1fe3077c727a/FLAGc4766ebed [2018-11-28 19:35:28,771 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 19:35:28,772 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-28 19:35:28,799 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7e5547a/012d1e7c12a0418b93bb1fe3077c727a/FLAGc4766ebed [2018-11-28 19:35:29,016 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7e5547a/012d1e7c12a0418b93bb1fe3077c727a [2018-11-28 19:35:29,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 19:35:29,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 19:35:29,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 19:35:29,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 19:35:29,026 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 19:35:29,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4874b7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29, skipping insertion in model container [2018-11-28 19:35:29,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 19:35:29,084 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 19:35:29,528 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:35:29,550 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 19:35:29,689 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 19:35:29,762 INFO L195 MainTranslator]: Completed translation [2018-11-28 19:35:29,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29 WrapperNode [2018-11-28 19:35:29,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 19:35:29,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 19:35:29,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 19:35:29,764 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 19:35:29,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 19:35:29,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 19:35:29,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 19:35:29,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 19:35:29,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (1/1) ... [2018-11-28 19:35:29,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 19:35:29,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 19:35:29,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 19:35:29,858 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 19:35:29,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 19:35:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 19:35:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 19:35:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-28 19:35:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-28 19:35:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 19:35:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 19:35:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 19:35:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 19:35:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 19:35:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 19:35:29,932 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 19:35:30,513 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 19:35:30,513 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-28 19:35:30,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:35:30 BoogieIcfgContainer [2018-11-28 19:35:30,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 19:35:30,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 19:35:30,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 19:35:30,519 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 19:35:30,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:35:29" (1/3) ... [2018-11-28 19:35:30,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff60c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:35:30, skipping insertion in model container [2018-11-28 19:35:30,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:29" (2/3) ... [2018-11-28 19:35:30,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff60c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:35:30, skipping insertion in model container [2018-11-28 19:35:30,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:35:30" (3/3) ... [2018-11-28 19:35:30,523 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski_true-unreach-call.i [2018-11-28 19:35:30,559 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,560 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,560 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,560 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,561 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,561 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,563 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,563 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,564 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,564 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,566 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,566 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 19:35:30,625 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 19:35:30,626 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 19:35:30,635 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-28 19:35:30,652 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-28 19:35:30,679 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 19:35:30,680 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 19:35:30,680 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 19:35:30,681 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 19:35:30,681 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 19:35:30,681 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 19:35:30,681 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 19:35:30,681 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 19:35:30,681 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 19:35:30,692 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65places, 84 transitions [2018-11-28 19:35:30,764 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1154 states. [2018-11-28 19:35:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states. [2018-11-28 19:35:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 19:35:30,783 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 19:35:30,785 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] [2018-11-28 19:35:30,787 INFO L423 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 19:35:30,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 19:35:30,794 INFO L82 PathProgramCache]: Analyzing trace with hash -686332095, now seen corresponding path program 1 times [2018-11-28 19:35:30,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 19:35:30,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 19:35:30,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:30,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 19:35:30,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 19:35:30,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 19:35:30,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 19:35:30,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 19:35:30,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 19:35:30,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 19:35:30,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 19:35:30,983 INFO L87 Difference]: Start difference. First operand 1154 states. Second operand 2 states. [2018-11-28 19:35:31,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 19:35:31,048 INFO L93 Difference]: Finished difference Result 1154 states and 3405 transitions. [2018-11-28 19:35:31,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 19:35:31,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-28 19:35:31,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 19:35:31,088 INFO L225 Difference]: With dead ends: 1154 [2018-11-28 19:35:31,088 INFO L226 Difference]: Without dead ends: 1040 [2018-11-28 19:35:31,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 19:35:31,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2018-11-28 19:35:31,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1040. [2018-11-28 19:35:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2018-11-28 19:35:31,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 3099 transitions. [2018-11-28 19:35:31,242 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 3099 transitions. Word has length 21 [2018-11-28 19:35:31,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 19:35:31,243 INFO L480 AbstractCegarLoop]: Abstraction has 1040 states and 3099 transitions. [2018-11-28 19:35:31,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 19:35:31,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 3099 transitions. [2018-11-28 19:35:31,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 19:35:31,248 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 19:35:31,249 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] [2018-11-28 19:35:31,249 INFO L423 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 19:35:31,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 19:35:31,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1056508031, now seen corresponding path program 1 times [2018-11-28 19:35:31,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 19:35:31,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 19:35:31,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:31,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 19:35:31,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 19:35:31,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 19:35:31,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 19:35:31,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 19:35:31,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 19:35:31,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 19:35:31,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:31,383 INFO L87 Difference]: Start difference. First operand 1040 states and 3099 transitions. Second operand 3 states. [2018-11-28 19:35:31,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 19:35:31,489 INFO L93 Difference]: Finished difference Result 1055 states and 3072 transitions. [2018-11-28 19:35:31,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 19:35:31,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-11-28 19:35:31,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 19:35:31,498 INFO L225 Difference]: With dead ends: 1055 [2018-11-28 19:35:31,498 INFO L226 Difference]: Without dead ends: 857 [2018-11-28 19:35:31,499 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:31,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2018-11-28 19:35:31,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 803. [2018-11-28 19:35:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2018-11-28 19:35:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 2362 transitions. [2018-11-28 19:35:31,543 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 2362 transitions. Word has length 21 [2018-11-28 19:35:31,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 19:35:31,544 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 2362 transitions. [2018-11-28 19:35:31,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 19:35:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 2362 transitions. [2018-11-28 19:35:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 19:35:31,551 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 19:35:31,551 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 19:35:31,551 INFO L423 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 19:35:31,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 19:35:31,552 INFO L82 PathProgramCache]: Analyzing trace with hash 843213921, now seen corresponding path program 1 times [2018-11-28 19:35:31,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 19:35:31,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 19:35:31,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:31,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 19:35:31,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 19:35:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 19:35:31,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 19:35:31,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 19:35:31,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 19:35:31,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 19:35:31,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:31,644 INFO L87 Difference]: Start difference. First operand 803 states and 2362 transitions. Second operand 3 states. [2018-11-28 19:35:31,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 19:35:31,743 INFO L93 Difference]: Finished difference Result 743 states and 2155 transitions. [2018-11-28 19:35:31,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 19:35:31,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-11-28 19:35:31,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 19:35:31,749 INFO L225 Difference]: With dead ends: 743 [2018-11-28 19:35:31,749 INFO L226 Difference]: Without dead ends: 530 [2018-11-28 19:35:31,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:31,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-11-28 19:35:31,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2018-11-28 19:35:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-11-28 19:35:31,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 1532 transitions. [2018-11-28 19:35:31,770 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 1532 transitions. Word has length 24 [2018-11-28 19:35:31,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 19:35:31,771 INFO L480 AbstractCegarLoop]: Abstraction has 530 states and 1532 transitions. [2018-11-28 19:35:31,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 19:35:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1532 transitions. [2018-11-28 19:35:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 19:35:31,775 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 19:35:31,775 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] [2018-11-28 19:35:31,776 INFO L423 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 19:35:31,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 19:35:31,776 INFO L82 PathProgramCache]: Analyzing trace with hash 2041816456, now seen corresponding path program 1 times [2018-11-28 19:35:31,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 19:35:31,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 19:35:31,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:31,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 19:35:31,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 19:35:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 19:35:31,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 19:35:31,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 19:35:31,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 19:35:31,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 19:35:31,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:31,872 INFO L87 Difference]: Start difference. First operand 530 states and 1532 transitions. Second operand 3 states. [2018-11-28 19:35:32,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 19:35:32,141 INFO L93 Difference]: Finished difference Result 578 states and 1633 transitions. [2018-11-28 19:35:32,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 19:35:32,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-28 19:35:32,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 19:35:32,147 INFO L225 Difference]: With dead ends: 578 [2018-11-28 19:35:32,147 INFO L226 Difference]: Without dead ends: 464 [2018-11-28 19:35:32,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:32,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2018-11-28 19:35:32,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2018-11-28 19:35:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2018-11-28 19:35:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1269 transitions. [2018-11-28 19:35:32,167 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1269 transitions. Word has length 32 [2018-11-28 19:35:32,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 19:35:32,167 INFO L480 AbstractCegarLoop]: Abstraction has 464 states and 1269 transitions. [2018-11-28 19:35:32,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 19:35:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1269 transitions. [2018-11-28 19:35:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 19:35:32,171 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 19:35:32,171 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] [2018-11-28 19:35:32,172 INFO L423 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 19:35:32,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 19:35:32,172 INFO L82 PathProgramCache]: Analyzing trace with hash -86176256, now seen corresponding path program 2 times [2018-11-28 19:35:32,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 19:35:32,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 19:35:32,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:32,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 19:35:32,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 19:35:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 19:35:32,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 19:35:32,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 19:35:32,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 19:35:32,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 19:35:32,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:32,250 INFO L87 Difference]: Start difference. First operand 464 states and 1269 transitions. Second operand 3 states. [2018-11-28 19:35:32,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 19:35:32,421 INFO L93 Difference]: Finished difference Result 509 states and 1348 transitions. [2018-11-28 19:35:32,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 19:35:32,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-28 19:35:32,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 19:35:32,426 INFO L225 Difference]: With dead ends: 509 [2018-11-28 19:35:32,426 INFO L226 Difference]: Without dead ends: 482 [2018-11-28 19:35:32,426 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:32,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2018-11-28 19:35:32,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 464. [2018-11-28 19:35:32,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2018-11-28 19:35:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1224 transitions. [2018-11-28 19:35:32,442 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1224 transitions. Word has length 32 [2018-11-28 19:35:32,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 19:35:32,442 INFO L480 AbstractCegarLoop]: Abstraction has 464 states and 1224 transitions. [2018-11-28 19:35:32,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 19:35:32,443 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1224 transitions. [2018-11-28 19:35:32,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 19:35:32,444 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 19:35:32,444 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] [2018-11-28 19:35:32,445 INFO L423 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 19:35:32,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 19:35:32,445 INFO L82 PathProgramCache]: Analyzing trace with hash 896186436, now seen corresponding path program 3 times [2018-11-28 19:35:32,445 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 19:35:32,446 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 19:35:32,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:32,449 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 19:35:32,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 19:35:32,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 19:35:32,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 19:35:32,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 19:35:32,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 19:35:32,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 19:35:32,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:32,525 INFO L87 Difference]: Start difference. First operand 464 states and 1224 transitions. Second operand 3 states. [2018-11-28 19:35:32,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 19:35:32,666 INFO L93 Difference]: Finished difference Result 434 states and 1105 transitions. [2018-11-28 19:35:32,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 19:35:32,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-28 19:35:32,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 19:35:32,672 INFO L225 Difference]: With dead ends: 434 [2018-11-28 19:35:32,673 INFO L226 Difference]: Without dead ends: 434 [2018-11-28 19:35:32,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:32,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-11-28 19:35:32,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-11-28 19:35:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-28 19:35:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 1105 transitions. [2018-11-28 19:35:32,689 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 1105 transitions. Word has length 32 [2018-11-28 19:35:32,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 19:35:32,689 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 1105 transitions. [2018-11-28 19:35:32,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 19:35:32,690 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1105 transitions. [2018-11-28 19:35:32,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 19:35:32,692 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 19:35:32,692 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] [2018-11-28 19:35:32,693 INFO L423 AbstractCegarLoop]: === Iteration 7 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 19:35:32,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 19:35:32,693 INFO L82 PathProgramCache]: Analyzing trace with hash -227670172, now seen corresponding path program 4 times [2018-11-28 19:35:32,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 19:35:32,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 19:35:32,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:32,698 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 19:35:32,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 19:35:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 19:35:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 19:35:32,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 19:35:32,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 19:35:32,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 19:35:32,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 19:35:32,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:32,788 INFO L87 Difference]: Start difference. First operand 434 states and 1105 transitions. Second operand 3 states. [2018-11-28 19:35:32,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 19:35:32,840 INFO L93 Difference]: Finished difference Result 305 states and 788 transitions. [2018-11-28 19:35:32,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 19:35:32,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-28 19:35:32,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 19:35:32,841 INFO L225 Difference]: With dead ends: 305 [2018-11-28 19:35:32,841 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 19:35:32,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 19:35:32,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 19:35:32,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 19:35:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 19:35:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 19:35:32,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-11-28 19:35:32,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 19:35:32,843 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 19:35:32,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 19:35:32,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 19:35:32,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 19:35:32,848 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-28 19:35:32,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:35:32 BasicIcfg [2018-11-28 19:35:32,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 19:35:32,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 19:35:32,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 19:35:32,851 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 19:35:32,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:35:30" (3/4) ... [2018-11-28 19:35:32,855 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 19:35:32,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2018-11-28 19:35:32,863 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2018-11-28 19:35:32,868 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 19:35:32,868 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 19:35:32,918 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 19:35:32,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 19:35:32,919 INFO L168 Benchmark]: Toolchain (without parser) took 3899.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.3 MB in the beginning and 941.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 145.6 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:32,922 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 19:35:32,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:32,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.16 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. [2018-11-28 19:35:32,924 INFO L168 Benchmark]: Boogie Preprocessor took 40.92 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. [2018-11-28 19:35:32,925 INFO L168 Benchmark]: RCFGBuilder took 656.47 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:32,926 INFO L168 Benchmark]: TraceAbstraction took 2334.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 948.4 MB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:32,927 INFO L168 Benchmark]: Witness Printer took 67.78 ms. Allocated memory is still 1.2 GB. Free memory was 948.4 MB in the beginning and 941.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 19:35:32,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 741.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.16 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 40.92 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 656.47 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2334.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 948.4 MB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 11.5 GB. * Witness Printer took 67.78 ms. Allocated memory is still 1.2 GB. Free memory was 948.4 MB in the beginning and 941.7 MB 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: - PositiveResult [Line: 664]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 648]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 664]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 648]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 101 locations, 4 error locations. SAFE Result, 2.1s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 180 SDslu, 225 SDs, 0 SdLazy, 82 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1154occurred 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 72 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 6747 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...