./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.07.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_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.07.c -s /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/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 a3a1315287b984b6ff3d1521ef67a642a499a933 ....................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:26:09,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:26:09,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:26:09,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:26:09,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:26:09,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:26:09,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:26:09,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:26:09,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:26:09,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:26:09,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:26:09,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:26:09,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:26:09,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:26:09,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:26:09,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:26:09,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:26:09,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:26:09,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:26:09,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:26:09,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:26:09,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:26:09,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:26:09,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:26:09,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:26:09,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:26:09,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:26:09,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:26:09,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:26:09,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:26:09,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:26:09,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:26:09,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:26:09,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:26:09,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:26:09,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:26:09,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:26:09,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:26:09,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:26:09,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:26:09,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:26:09,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:26:09,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:26:09,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:26:09,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:26:09,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:26:09,563 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:26:09,563 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:26:09,564 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:26:09,564 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:26:09,564 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:26:09,564 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:26:09,564 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:26:09,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:26:09,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:26:09,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:26:09,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:26:09,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:26:09,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:26:09,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:26:09,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:26:09,565 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:26:09,565 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:26:09,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:26:09,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:26:09,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:26:09,565 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:26:09,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:26:09,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:26:09,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:26:09,566 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:26:09,566 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:26:09,567 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_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/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 -> a3a1315287b984b6ff3d1521ef67a642a499a933 [2019-12-07 18:26:09,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:26:09,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:26:09,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:26:09,675 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:26:09,676 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:26:09,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/b.07.c [2019-12-07 18:26:09,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/data/669397f31/79206398972843b6abb801f0e8d1cafb/FLAGb3853728c [2019-12-07 18:26:10,031 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:26:10,031 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/sv-benchmarks/c/termination-restricted-15/b.07.c [2019-12-07 18:26:10,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/data/669397f31/79206398972843b6abb801f0e8d1cafb/FLAGb3853728c [2019-12-07 18:26:10,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/data/669397f31/79206398972843b6abb801f0e8d1cafb [2019-12-07 18:26:10,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:26:10,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:26:10,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:26:10,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:26:10,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:26:10,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c8857b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10, skipping insertion in model container [2019-12-07 18:26:10,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:26:10,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:26:10,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:26:10,162 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:26:10,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:26:10,219 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:26:10,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10 WrapperNode [2019-12-07 18:26:10,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:26:10,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:26:10,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:26:10,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:26:10,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:26:10,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:26:10,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:26:10,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:26:10,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (1/1) ... [2019-12-07 18:26:10,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:26:10,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:26:10,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:26:10,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:26:10,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/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 18:26:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:26:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:26:10,375 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:26:10,375 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 18:26:10,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:26:10 BoogieIcfgContainer [2019-12-07 18:26:10,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:26:10,376 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:26:10,376 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:26:10,378 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:26:10,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:26:10,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:26:10" (1/3) ... [2019-12-07 18:26:10,379 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@620cc075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:26:10, skipping insertion in model container [2019-12-07 18:26:10,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:26:10,380 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:10" (2/3) ... [2019-12-07 18:26:10,380 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@620cc075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:26:10, skipping insertion in model container [2019-12-07 18:26:10,380 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:26:10,380 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:26:10" (3/3) ... [2019-12-07 18:26:10,381 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.07.c [2019-12-07 18:26:10,409 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:26:10,409 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:26:10,409 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:26:10,409 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:26:10,410 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:26:10,410 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:26:10,410 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:26:10,410 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:26:10,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-12-07 18:26:10,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 18:26:10,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:26:10,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:26:10,434 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 18:26:10,435 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 18:26:10,435 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:26:10,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-12-07 18:26:10,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 18:26:10,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:26:10,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:26:10,436 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 18:26:10,436 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 18:26:10,440 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 3#L12-2true [2019-12-07 18:26:10,440 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 > main_~z~0 && main_~y~0 > main_~z~0);main_~x~0 := main_~x~0 - 1;main_~y~0 := main_~y~0 - 1; 3#L12-2true [2019-12-07 18:26:10,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:10,444 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 18:26:10,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:10,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769984958] [2019-12-07 18:26:10,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:10,513 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:10,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:10,514 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-12-07 18:26:10,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:10,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171372542] [2019-12-07 18:26:10,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:10,525 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:10,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:10,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 18:26:10,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:10,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240249316] [2019-12-07 18:26:10,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:10,538 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:10,575 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:26:10,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:26:10,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:26:10,575 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:26:10,576 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:26:10,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:10,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:26:10,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:26:10,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.07.c_Iteration1_Loop [2019-12-07 18:26:10,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:26:10,576 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:26:10,591 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 18:26:10,598 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 18:26:10,601 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 18:26:10,672 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:26:10,673 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/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 18:26:10,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:26:10,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:26:10,686 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:26:10,686 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/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 18:26:10,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:26:10,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:26:10,694 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:26:10,694 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/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 18:26:10,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:26:10,698 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/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 18:26:10,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:26:10,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:26:10,964 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:26:10,965 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:26:10,966 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:26:10,966 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:26:10,966 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:26:10,966 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:26:10,966 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:10,966 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:26:10,966 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:26:10,966 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.07.c_Iteration1_Loop [2019-12-07 18:26:10,966 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:26:10,966 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:26:10,968 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 18:26:10,971 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 18:26:10,973 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 18:26:11,018 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:26:11,021 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/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 18:26:11,025 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 18:26:11,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:11,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:11,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:11,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:11,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:11,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:11,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/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 18:26:11,038 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 18:26:11,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:11,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:11,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:11,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:11,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:11,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:11,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:11,049 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 18:26:11,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:11,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:11,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:11,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:11,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:11,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:11,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:11,055 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:26:11,058 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 18:26:11,059 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af6d8da6-34d5-4fb4-bc3f-3fb9e45e498a/bin/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:11,063 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:26:11,063 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:26:11,063 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:26:11,064 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2019-12-07 18:26:11,066 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:26:11,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:11,093 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:26:11,094 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:26:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:11,100 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:26:11,100 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:26:11,101 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 18:26:11,111 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-12-07 18:26:11,112 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2019-12-07 18:26:11,135 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2019-12-07 18:26:11,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 18:26:11,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 18:26:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-12-07 18:26:11,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2019-12-07 18:26:11,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:11,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2019-12-07 18:26:11,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:11,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2019-12-07 18:26:11,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:11,139 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-12-07 18:26:11,140 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:26:11,142 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-12-07 18:26:11,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:26:11,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:26:11,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:26:11,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:26:11,143 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:26:11,143 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:26:11,143 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:26:11,143 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:26:11,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:26:11,143 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:26:11,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:26:11,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:26:11 BoogieIcfgContainer [2019-12-07 18:26:11,147 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:26:11,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:26:11,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:26:11,148 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:26:11,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:26:10" (3/4) ... [2019-12-07 18:26:11,150 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:26:11,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:26:11,151 INFO L168 Benchmark]: Toolchain (without parser) took 1105.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 943.6 MB in the beginning and 993.3 MB in the end (delta: -49.8 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:26:11,152 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:26:11,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:26:11,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:26:11,153 INFO L168 Benchmark]: Boogie Preprocessor took 11.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:26:11,153 INFO L168 Benchmark]: RCFGBuilder took 123.92 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:26:11,154 INFO L168 Benchmark]: BuchiAutomizer took 771.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.3 MB in the end (delta: 85.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:26:11,154 INFO L168 Benchmark]: Witness Printer took 2.60 ms. Allocated memory is still 1.1 GB. Free memory is still 993.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:26:11,156 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 123.92 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 771.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.3 MB in the end (delta: 85.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.60 ms. Allocated memory is still 1.1 GB. Free memory is still 993.3 MB. 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 -1 * z + x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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...