./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8fcad1cc5c987e49a6afac90dd5119b31f7d391b .............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:59:55,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:59:55,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:59:55,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:59:55,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:59:55,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:59:55,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:59:55,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:59:55,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:59:55,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:59:55,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:59:55,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:59:55,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:59:55,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:59:55,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:59:55,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:59:55,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:59:55,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:59:55,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:59:55,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:59:55,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:59:55,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:59:55,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:59:55,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:59:55,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:59:55,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:59:55,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:59:55,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:59:55,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:59:55,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:59:55,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:59:55,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:59:55,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:59:55,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:59:55,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:59:55,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:59:55,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:59:55,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:59:55,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:59:55,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:59:55,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:59:55,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:59:55,629 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:59:55,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:59:55,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:59:55,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:59:55,631 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:59:55,631 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:59:55,631 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:59:55,631 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:59:55,632 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:59:55,632 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:59:55,632 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:59:55,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:59:55,632 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:59:55,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:59:55,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:59:55,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:59:55,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:59:55,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:59:55,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:59:55,633 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:59:55,634 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:59:55,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:59:55,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:59:55,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:59:55,634 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:59:55,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:59:55,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:59:55,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:59:55,635 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:59:55,636 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:59:55,636 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/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(F end) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcad1cc5c987e49a6afac90dd5119b31f7d391b [2019-12-07 17:59:55,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:59:55,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:59:55,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:59:55,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:59:55,762 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:59:55,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c [2019-12-07 17:59:55,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/data/7671f2ba3/3269067898e24256869cdd82b46c8ca7/FLAGe4928948a [2019-12-07 17:59:56,125 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:59:56,126 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c [2019-12-07 17:59:56,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/data/7671f2ba3/3269067898e24256869cdd82b46c8ca7/FLAGe4928948a [2019-12-07 17:59:56,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/data/7671f2ba3/3269067898e24256869cdd82b46c8ca7 [2019-12-07 17:59:56,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:59:56,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:59:56,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:59:56,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:59:56,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:59:56,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d5e6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56, skipping insertion in model container [2019-12-07 17:59:56,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:59:56,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:59:56,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:59:56,259 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:59:56,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:59:56,314 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:59:56,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56 WrapperNode [2019-12-07 17:59:56,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:59:56,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:59:56,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:59:56,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:59:56,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:59:56,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:59:56,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:59:56,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:59:56,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (1/1) ... [2019-12-07 17:59:56,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:59:56,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:59:56,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:59:56,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:59:56,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:59:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:59:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:59:56,471 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:59:56,471 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 17:59:56,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:59:56 BoogieIcfgContainer [2019-12-07 17:59:56,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:59:56,472 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:59:56,472 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:59:56,475 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:59:56,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:59:56,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:59:56" (1/3) ... [2019-12-07 17:59:56,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67f3fccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:59:56, skipping insertion in model container [2019-12-07 17:59:56,476 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:59:56,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:59:56" (2/3) ... [2019-12-07 17:59:56,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67f3fccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:59:56, skipping insertion in model container [2019-12-07 17:59:56,476 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:59:56,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:59:56" (3/3) ... [2019-12-07 17:59:56,477 INFO L371 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c [2019-12-07 17:59:56,507 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:59:56,507 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:59:56,507 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:59:56,508 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:59:56,508 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:59:56,508 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:59:56,508 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:59:56,508 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:59:56,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-12-07 17:59:56,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:59:56,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:59:56,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:59:56,535 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 17:59:56,535 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:59:56,535 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:59:56,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-12-07 17:59:56,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:59:56,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:59:56,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:59:56,536 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 17:59:56,536 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:59:56,541 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0, main_~z~0;main_~x~0 := 0;main_~y~0 := 100;main_~z~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L15-2true [2019-12-07 17:59:56,541 INFO L796 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(main_~x~0 < 40); 3#L15true assume 0 == main_~z~0;main_~x~0 := 1 + main_~x~0; 8#L15-2true [2019-12-07 17:59:56,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:59:56,546 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 17:59:56,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:59:56,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928991569] [2019-12-07 17:59:56,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:59:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:59:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:59:56,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:59:56,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:59:56,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-12-07 17:59:56,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:59:56,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132589445] [2019-12-07 17:59:56,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:59:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:59:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:59:56,627 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:59:56,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:59:56,628 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-12-07 17:59:56,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:59:56,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411269084] [2019-12-07 17:59:56,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:59:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:59:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:59:56,637 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:59:56,666 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:59:56,666 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:59:56,666 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:59:56,666 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:59:56,667 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:59:56,667 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:59:56,667 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:59:56,667 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:59:56,667 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c_Iteration1_Loop [2019-12-07 17:59:56,667 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:59:56,667 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:59:56,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:59:56,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:59:56,728 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:59:56,729 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:59:56,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:59:56,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:59:56,740 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:59:56,740 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:59:56,744 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:59:56,744 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:59:56,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:59:56,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:59:56,762 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:59:56,763 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:59:56,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:59:56,763 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:59:56,763 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:59:56,763 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:59:56,763 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:59:56,763 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:59:56,763 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:59:56,764 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c_Iteration1_Loop [2019-12-07 17:59:56,764 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:59:56,764 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:59:56,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:59:56,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:59:56,804 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:59:56,807 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:59:56,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:59:56,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:59:56,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:59:56,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:59:56,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:59:56,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:59:56,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:59:56,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:59:56,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:59:56,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:59:56,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:59:56,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:59:56,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:59:56,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:59:56,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:59:56,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:59:56,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:59:56,829 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:59:56,835 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:59:56,835 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26601bb0-ffcf-4475-8158-83fd646f92f3/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:59:56,839 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:59:56,839 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:59:56,839 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:59:56,839 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 79 Supporting invariants [] [2019-12-07 17:59:56,842 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:59:56,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:59:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:59:56,868 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:59:56,869 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:59:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:59:56,875 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:59:56,875 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:59:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:59:56,897 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:59:56,897 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-12-07 17:59:56,927 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 17 states and 22 transitions. Complement of second has 7 states. [2019-12-07 17:59:56,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:59:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:59:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-12-07 17:59:56,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2019-12-07 17:59:56,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:59:56,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2019-12-07 17:59:56,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:59:56,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. [2019-12-07 17:59:56,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:59:56,931 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2019-12-07 17:59:56,933 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:59:56,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-12-07 17:59:56,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:59:56,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:59:56,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:59:56,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:59:56,936 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:59:56,936 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:59:56,936 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:59:56,936 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:59:56,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:59:56,936 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:59:56,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:59:56,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:59:56 BoogieIcfgContainer [2019-12-07 17:59:56,940 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:59:56,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:59:56,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:59:56,941 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:59:56,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:59:56" (3/4) ... [2019-12-07 17:59:56,943 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:59:56,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:59:56,946 INFO L168 Benchmark]: Toolchain (without parser) took 803.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 946.8 MB in the beginning and 1.0 GB in the end (delta: -75.7 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:56,946 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:59:56,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:56,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:56,948 INFO L168 Benchmark]: Boogie Preprocessor took 11.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:56,949 INFO L168 Benchmark]: RCFGBuilder took 125.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:56,949 INFO L168 Benchmark]: BuchiAutomizer took 467.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:59:56,949 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:59:56,953 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 125.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 467.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x + 79 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...