./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/for_bounded_loop1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/for_bounded_loop1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/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 32bit --witnessprinter.graph.data.programhash 1a0e89cb1a2148382c7546df46cfbb79c04a1e70 ...................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:22:17,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:22:17,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:22:17,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:22:17,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:22:17,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:22:17,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:22:17,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:22:17,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:22:17,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:22:17,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:22:17,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:22:17,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:22:17,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:22:17,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:22:17,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:22:17,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:22:17,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:22:17,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:22:17,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:22:17,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:22:17,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:22:17,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:22:17,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:22:17,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:22:17,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:22:17,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:22:17,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:22:17,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:22:17,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:22:17,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:22:17,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:22:17,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:22:17,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:22:17,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:22:17,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:22:17,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:22:17,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:22:17,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:22:17,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:22:17,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:22:17,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 04:22:17,549 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:22:17,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:22:17,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:22:17,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:22:17,550 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:22:17,551 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 04:22:17,551 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 04:22:17,551 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 04:22:17,551 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 04:22:17,551 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 04:22:17,552 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 04:22:17,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:22:17,552 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:22:17,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:22:17,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:22:17,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:22:17,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:22:17,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 04:22:17,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 04:22:17,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 04:22:17,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:22:17,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:22:17,554 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 04:22:17,554 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:22:17,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 04:22:17,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:22:17,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:22:17,555 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 04:22:17,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:22:17,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:22:17,556 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 04:22:17,557 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 04:22:17,557 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_0040cf51-bdc8-4d87-b830-1b69b603083b/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a0e89cb1a2148382c7546df46cfbb79c04a1e70 [2019-11-20 04:22:17,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:22:17,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:22:17,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:22:17,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:22:17,741 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:22:17,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/bin/uautomizer/../../sv-benchmarks/c/loops/for_bounded_loop1.c [2019-11-20 04:22:17,808 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/bin/uautomizer/data/392033792/89c89e4754384562861863cac2deb6a1/FLAG06c5b0cf1 [2019-11-20 04:22:18,215 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:22:18,216 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/sv-benchmarks/c/loops/for_bounded_loop1.c [2019-11-20 04:22:18,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/bin/uautomizer/data/392033792/89c89e4754384562861863cac2deb6a1/FLAG06c5b0cf1 [2019-11-20 04:22:18,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/bin/uautomizer/data/392033792/89c89e4754384562861863cac2deb6a1 [2019-11-20 04:22:18,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:22:18,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:22:18,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:22:18,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:22:18,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:22:18,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e64ea90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18, skipping insertion in model container [2019-11-20 04:22:18,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,264 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:22:18,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:22:18,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:22:18,457 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:22:18,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:22:18,585 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:22:18,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18 WrapperNode [2019-11-20 04:22:18,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:22:18,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:22:18,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:22:18,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:22:18,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:22:18,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:22:18,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:22:18,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:22:18,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (1/1) ... [2019-11-20 04:22:18,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:22:18,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:22:18,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:22:18,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:22:18,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/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 [2019-11-20 04:22:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:22:18,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:22:18,864 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:22:18,864 INFO L285 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-20 04:22:18,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:22:18 BoogieIcfgContainer [2019-11-20 04:22:18,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:22:18,865 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 04:22:18,865 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 04:22:18,868 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 04:22:18,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:22:18,868 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 04:22:18" (1/3) ... [2019-11-20 04:22:18,869 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23cc935e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:22:18, skipping insertion in model container [2019-11-20 04:22:18,869 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:22:18,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:22:18" (2/3) ... [2019-11-20 04:22:18,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23cc935e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:22:18, skipping insertion in model container [2019-11-20 04:22:18,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:22:18,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:22:18" (3/3) ... [2019-11-20 04:22:18,871 INFO L371 chiAutomizerObserver]: Analyzing ICFG for_bounded_loop1.c [2019-11-20 04:22:18,911 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 04:22:18,911 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 04:22:18,911 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 04:22:18,912 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:22:18,912 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:22:18,912 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 04:22:18,912 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:22:18,912 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 04:22:18,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 04:22:18,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 04:22:18,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:22:18,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:22:18,946 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:22:18,946 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 04:22:18,946 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 04:22:18,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 04:22:18,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 04:22:18,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:22:18,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:22:18,948 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:22:18,949 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 04:22:18,955 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet3, main_#t~post2, main_~i~0, main_~x~0, main_~y~0, main_~n~0;main_~i~0 := 0;main_~x~0 := 0;main_~y~0 := 0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L16true assume !!(main_~n~0 > 0);main_~i~0 := 0; 3#L17-2true [2019-11-20 04:22:18,955 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~i~0 < main_~n~0);main_~x~0 := main_~x~0 - main_~y~0;__VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4#L5true assume !(0 == __VERIFIER_assert_~cond); 16#L5-2true main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 12#L22true assume !!(0 != main_~y~0);main_~x~0 := main_~x~0 + main_~y~0;__VERIFIER_assert_#in~cond := (if 0 != main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 14#L5-3true assume !(0 == __VERIFIER_assert_~cond); 11#L5-5true main_#t~post2 := main_~i~0;main_~i~0 := 1 + main_#t~post2;havoc main_#t~post2; 3#L17-2true [2019-11-20 04:22:18,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:22:18,960 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-11-20 04:22:18,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:22:18,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680061742] [2019-11-20 04:22:18,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:22:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:22:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:22:19,037 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:22:19,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:22:19,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1308449745, now seen corresponding path program 1 times [2019-11-20 04:22:19,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:22:19,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749157669] [2019-11-20 04:22:19,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:22:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:22:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:22:19,074 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:22:19,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:22:19,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1386356726, now seen corresponding path program 1 times [2019-11-20 04:22:19,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:22:19,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679231413] [2019-11-20 04:22:19,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:22:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:22:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:22:19,104 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:22:19,278 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-11-20 04:22:19,393 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:22:19,394 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:22:19,394 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:22:19,394 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:22:19,394 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 04:22:19,395 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:22:19,395 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:22:19,395 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:22:19,395 INFO L133 ssoRankerPreferences]: Filename of dumped script: for_bounded_loop1.c_Iteration1_Loop [2019-11-20 04:22:19,396 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:22:19,396 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:22:19,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:22:19,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:22:19,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:22:19,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:22:19,589 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:22:19,589 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/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) [2019-11-20 04:22:19,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 04:22:19,597 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:22:19,614 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 04:22:19,614 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-6, ULTIMATE.start_main_~x~0=-6, ULTIMATE.start_main_#t~nondet3=-6} Honda state: {ULTIMATE.start_main_~y~0=-6, ULTIMATE.start_main_~x~0=-6, ULTIMATE.start_main_#t~nondet3=-6} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/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) [2019-11-20 04:22:19,632 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 04:22:19,632 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/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) [2019-11-20 04:22:19,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 04:22:19,654 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:22:19,809 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 04:22:19,810 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:22:19,810 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:22:19,811 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:22:19,811 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:22:19,811 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:22:19,811 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:22:19,811 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:22:19,811 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:22:19,811 INFO L133 ssoRankerPreferences]: Filename of dumped script: for_bounded_loop1.c_Iteration1_Loop [2019-11-20 04:22:19,811 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:22:19,811 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:22:19,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:22:19,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:22:19,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:22:19,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:22:19,967 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:22:19,972 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/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 [2019-11-20 04:22:19,987 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 [2019-11-20 04:22:19,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:22:19,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:22:19,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:22:19,992 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 04:22:19,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:22:20,008 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 04:22:20,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:22:20,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/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) [2019-11-20 04:22:20,055 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 [2019-11-20 04:22:20,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:22:20,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:22:20,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:22:20,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:22:20,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:22:20,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:22:20,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:22:20,066 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:22:20,072 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-20 04:22:20,072 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0040cf51-bdc8-4d87-b830-1b69b603083b/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 [2019-11-20 04:22:20,086 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:22:20,090 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 04:22:20,090 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:22:20,091 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-20 04:22:20,095 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 04:22:20,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:22:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:22:20,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:22:20,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:22:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:22:20,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:22:20,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:22:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:22:20,184 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 [2019-11-20 04:22:20,185 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-11-20 04:22:20,232 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 53 states and 66 transitions. Complement of second has 7 states. [2019-11-20 04:22:20,234 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 [2019-11-20 04:22:20,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 04:22:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2019-11-20 04:22:20,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-20 04:22:20,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:22:20,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-20 04:22:20,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:22:20,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 2 letters. Loop has 12 letters. [2019-11-20 04:22:20,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:22:20,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 66 transitions. [2019-11-20 04:22:20,254 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:22:20,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 0 states and 0 transitions. [2019-11-20 04:22:20,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 04:22:20,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 04:22:20,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 04:22:20,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:22:20,259 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:22:20,260 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:22:20,260 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:22:20,260 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 04:22:20,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:22:20,260 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:22:20,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 04:22:20,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 04:22:20 BoogieIcfgContainer [2019-11-20 04:22:20,267 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 04:22:20,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:22:20,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:22:20,268 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:22:20,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:22:18" (3/4) ... [2019-11-20 04:22:20,272 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:22:20,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:22:20,275 INFO L168 Benchmark]: Toolchain (without parser) took 2028.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 943.4 MB in the beginning and 996.8 MB in the end (delta: -53.4 MB). Peak memory consumption was 86.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:22:20,276 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:22:20,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:22:20,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:22:20,278 INFO L168 Benchmark]: Boogie Preprocessor took 22.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:22:20,279 INFO L168 Benchmark]: RCFGBuilder took 228.04 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:22:20,280 INFO L168 Benchmark]: BuchiAutomizer took 1402.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 113.7 MB). Peak memory consumption was 113.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:22:20,281 INFO L168 Benchmark]: Witness Printer took 5.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 996.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:22:20,289 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.13 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 22.70 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 228.04 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1402.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 113.7 MB). Peak memory consumption was 113.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 996.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. 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 n + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 19 SDtfs, 19 SDslu, 19 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq206 hnf90 smp100 dnf171 smp100 tf104 neg95 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...