./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_02-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/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 a06ba721ade3e36e091d6046e7f548a6b0c91e10 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:21:59,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:21:59,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:21:59,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:21:59,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:21:59,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:21:59,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:21:59,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:21:59,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:21:59,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:21:59,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:21:59,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:21:59,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:21:59,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:21:59,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:21:59,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:21:59,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:21:59,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:21:59,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:21:59,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:21:59,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:21:59,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:21:59,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:21:59,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:21:59,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:21:59,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:21:59,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:21:59,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:21:59,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:21:59,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:21:59,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:21:59,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:21:59,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:21:59,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:21:59,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:21:59,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:21:59,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:21:59,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:21:59,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:21:59,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:21:59,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:21:59,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 17:21:59,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:21:59,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:21:59,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:21:59,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:21:59,648 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:21:59,648 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:21:59,648 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:21:59,649 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:21:59,649 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:21:59,649 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:21:59,649 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:21:59,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:21:59,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:21:59,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:21:59,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:21:59,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:21:59,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:21:59,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:21:59,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:21:59,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:21:59,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:21:59,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:21:59,651 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:21:59,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:21:59,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:21:59,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:21:59,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:21:59,652 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:21:59,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:21:59,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:21:59,653 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:21:59,653 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:21:59,654 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:21:59,654 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_5a2482b8-d7eb-427a-bd02-00151f7cc535/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 -> a06ba721ade3e36e091d6046e7f548a6b0c91e10 [2019-12-07 17:21:59,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:21:59,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:21:59,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:21:59,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:21:59,764 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:21:59,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/../../sv-benchmarks/c/loops/terminator_02-2.c [2019-12-07 17:21:59,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/data/9abdc699f/572507cdfc274472917560821d0e4cf7/FLAGd4532fd8e [2019-12-07 17:22:00,131 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:22:00,131 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/sv-benchmarks/c/loops/terminator_02-2.c [2019-12-07 17:22:00,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/data/9abdc699f/572507cdfc274472917560821d0e4cf7/FLAGd4532fd8e [2019-12-07 17:22:00,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/data/9abdc699f/572507cdfc274472917560821d0e4cf7 [2019-12-07 17:22:00,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:22:00,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:22:00,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:22:00,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:22:00,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:22:00,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c51c803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00, skipping insertion in model container [2019-12-07 17:22:00,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:22:00,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:22:00,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:22:00,275 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:22:00,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:22:00,326 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:22:00,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00 WrapperNode [2019-12-07 17:22:00,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:22:00,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:22:00,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:22:00,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:22:00,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:22:00,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:22:00,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:22:00,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:22:00,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (1/1) ... [2019-12-07 17:22:00,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:22:00,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:22:00,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:22:00,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:22:00,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:22:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:22:00,499 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:22:00,499 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:22:00,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:22:00 BoogieIcfgContainer [2019-12-07 17:22:00,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:22:00,501 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:22:00,501 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:22:00,503 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:22:00,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:22:00,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:22:00" (1/3) ... [2019-12-07 17:22:00,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@691556b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:22:00, skipping insertion in model container [2019-12-07 17:22:00,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:22:00,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:22:00" (2/3) ... [2019-12-07 17:22:00,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@691556b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:22:00, skipping insertion in model container [2019-12-07 17:22:00,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:22:00,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:22:00" (3/3) ... [2019-12-07 17:22:00,506 INFO L371 chiAutomizerObserver]: Analyzing ICFG terminator_02-2.c [2019-12-07 17:22:00,535 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:22:00,535 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:22:00,535 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:22:00,536 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:22:00,536 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:22:00,536 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:22:00,536 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:22:00,536 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:22:00,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 17:22:00,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:22:00,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:00,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:00,562 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:22:00,562 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:22:00,562 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:22:00,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 17:22:00,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:22:00,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:00,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:00,564 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:22:00,564 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:22:00,569 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_#t~post6, main_~tmp~0, main_~x~0, main_~z~0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L17true assume !!(main_~x~0 > -100); 6#L18true assume !!(main_~x~0 < 200); 7#L19true assume !!(main_~z~0 > 100); 9#L20true assume !!(main_~z~0 < 200); 11#L24-2true [2019-12-07 17:22:00,569 INFO L796 eck$LassoCheckResult]: Loop: 11#L24-2true assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 14#L24true assume 0 != main_~tmp~0 % 256;main_#t~post4 := main_~x~0;main_~x~0 := 1 + main_#t~post4;havoc main_#t~post4; 11#L24-2true [2019-12-07 17:22:00,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:00,573 INFO L82 PathProgramCache]: Analyzing trace with hash 29742506, now seen corresponding path program 1 times [2019-12-07 17:22:00,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:00,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743611956] [2019-12-07 17:22:00,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:00,646 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:00,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:00,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1924, now seen corresponding path program 1 times [2019-12-07 17:22:00,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:00,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950772686] [2019-12-07 17:22:00,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:00,658 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:00,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:00,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1482221843, now seen corresponding path program 1 times [2019-12-07 17:22:00,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:00,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142506460] [2019-12-07 17:22:00,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:00,670 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:00,704 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:00,705 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:00,705 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:00,705 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:00,705 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:22:00,705 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,705 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:00,705 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:00,705 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration1_Loop [2019-12-07 17:22:00,705 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:00,705 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:00,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:00,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:00,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:00,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:00,816 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:00,817 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:00,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:00,834 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:00,834 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~tmp~0=-217, ULTIMATE.start_main_#t~nondet3=-217} Honda state: {ULTIMATE.start_main_~tmp~0=-217, ULTIMATE.start_main_#t~nondet3=-217} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:00,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:00,842 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:00,842 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:00,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:00,849 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:00,849 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=101} Honda state: {ULTIMATE.start_main_~z~0=101} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:00,853 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,859 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:22:00,859 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:00,866 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:22:00,868 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:00,868 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:00,868 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:00,868 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:00,868 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:22:00,868 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,868 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:00,868 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:00,868 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration1_Loop [2019-12-07 17:22:00,868 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:00,868 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:00,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:00,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:00,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:00,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:00,931 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:00,935 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:00,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:00,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:00,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:00,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:00,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:00,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:00,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:00,948 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/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 17:22:00,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:00,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:00,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:00,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:00,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:00,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:00,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:00,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:00,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/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 17:22:00,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:00,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:00,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:00,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:00,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:00,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:00,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:00,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:00,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:00,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:00,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:00,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:00,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:00,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:00,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:00,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:00,971 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:22:00,974 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:22:00,974 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:00,978 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:22:00,978 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:22:00,978 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:22:00,979 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [] [2019-12-07 17:22:00,982 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:22:00,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:01,007 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:22:01,008 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:01,016 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:22:01,017 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:01,035 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:22:01,036 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2019-12-07 17:22:01,070 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 42 states and 55 transitions. Complement of second has 8 states. [2019-12-07 17:22:01,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:22:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:22:01,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2019-12-07 17:22:01,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 17:22:01,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 17:22:01,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 17:22:01,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 55 transitions. [2019-12-07 17:22:01,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:22:01,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 11 states and 14 transitions. [2019-12-07 17:22:01,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-12-07 17:22:01,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 17:22:01,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-12-07 17:22:01,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:22:01,081 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 17:22:01,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-12-07 17:22:01,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-07 17:22:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 17:22:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-12-07 17:22:01,102 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 17:22:01,102 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-12-07 17:22:01,102 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:22:01,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-12-07 17:22:01,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:22:01,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:01,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:01,104 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:22:01,104 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:22:01,104 INFO L794 eck$LassoCheckResult]: Stem: 105#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_#t~post6, main_~tmp~0, main_~x~0, main_~z~0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 106#L17 assume !!(main_~x~0 > -100); 112#L18 assume !!(main_~x~0 < 200); 113#L19 assume !!(main_~z~0 > 100); 114#L20 assume !!(main_~z~0 < 200); 115#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 111#L24 assume !(0 != main_~tmp~0 % 256);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_#t~post6 := main_~z~0;main_~z~0 := main_#t~post6 - 1;havoc main_#t~post6; 107#L24-2 [2019-12-07 17:22:01,104 INFO L796 eck$LassoCheckResult]: Loop: 107#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 108#L24 assume 0 != main_~tmp~0 % 256;main_#t~post4 := main_~x~0;main_~x~0 := 1 + main_#t~post4;havoc main_#t~post4; 107#L24-2 [2019-12-07 17:22:01,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1482221841, now seen corresponding path program 1 times [2019-12-07 17:22:01,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:01,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962895033] [2019-12-07 17:22:01,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,118 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:01,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1924, now seen corresponding path program 2 times [2019-12-07 17:22:01,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:01,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090986316] [2019-12-07 17:22:01,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,124 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:01,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1513954034, now seen corresponding path program 1 times [2019-12-07 17:22:01,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:01,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275939848] [2019-12-07 17:22:01,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,137 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:01,152 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:01,152 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:01,152 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:01,153 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:01,153 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:22:01,153 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,153 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:01,153 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:01,153 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration2_Loop [2019-12-07 17:22:01,153 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:01,153 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:01,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,224 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:01,224 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:01,227 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:01,230 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:01,230 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=101} Honda state: {ULTIMATE.start_main_~z~0=101} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:01,235 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:01,244 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:01,244 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~tmp~0=128, ULTIMATE.start_main_#t~nondet3=128} Honda state: {ULTIMATE.start_main_~tmp~0=128, ULTIMATE.start_main_#t~nondet3=128} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:01,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:01,251 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:01,252 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:01,256 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:22:01,263 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:01,269 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:22:01,271 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:01,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:01,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:01,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:01,271 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:22:01,271 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,271 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:01,271 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:01,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration2_Loop [2019-12-07 17:22:01,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:01,272 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:01,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,347 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:01,348 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:01,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:01,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:01,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:01,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:01,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:01,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:01,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:01,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:01,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:01,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:01,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:01,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:01,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:01,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:01,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:01,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:01,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:01,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:01,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:01,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:01,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:01,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:01,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:01,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:01,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:01,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:01,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:01,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:01,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:01,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:01,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:01,380 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:22:01,383 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:22:01,383 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,389 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:22:01,389 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:22:01,389 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:22:01,389 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [] [2019-12-07 17:22:01,391 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:22:01,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:01,406 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:22:01,407 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:01,410 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:22:01,411 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:01,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:01,419 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:22:01,419 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 17:22:01,429 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 20 transitions. Complement of second has 5 states. [2019-12-07 17:22:01,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:22:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:22:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-12-07 17:22:01,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 17:22:01,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 17:22:01,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 4 letters. [2019-12-07 17:22:01,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. [2019-12-07 17:22:01,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:22:01,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 20 transitions. [2019-12-07 17:22:01,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 17:22:01,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 17:22:01,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2019-12-07 17:22:01,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:22:01,434 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-12-07 17:22:01,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2019-12-07 17:22:01,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-12-07 17:22:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 17:22:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-12-07 17:22:01,436 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-12-07 17:22:01,437 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-12-07 17:22:01,437 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:22:01,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2019-12-07 17:22:01,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:22:01,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:01,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:01,438 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2019-12-07 17:22:01,438 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:22:01,439 INFO L794 eck$LassoCheckResult]: Stem: 179#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_#t~post6, main_~tmp~0, main_~x~0, main_~z~0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 180#L17 assume !!(main_~x~0 > -100); 186#L18 assume !!(main_~x~0 < 200); 187#L19 assume !!(main_~z~0 > 100); 189#L20 assume !!(main_~z~0 < 200); 190#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 185#L24 assume !(0 != main_~tmp~0 % 256);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_#t~post6 := main_~z~0;main_~z~0 := main_#t~post6 - 1;havoc main_#t~post6; 188#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 191#L24 assume !(0 != main_~tmp~0 % 256);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_#t~post6 := main_~z~0;main_~z~0 := main_#t~post6 - 1;havoc main_#t~post6; 181#L24-2 [2019-12-07 17:22:01,439 INFO L796 eck$LassoCheckResult]: Loop: 181#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 182#L24 assume 0 != main_~tmp~0 % 256;main_#t~post4 := main_~x~0;main_~x~0 := 1 + main_#t~post4;havoc main_#t~post4; 181#L24-2 [2019-12-07 17:22:01,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1513954036, now seen corresponding path program 2 times [2019-12-07 17:22:01,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:01,439 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085789078] [2019-12-07 17:22:01,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,455 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:01,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1924, now seen corresponding path program 3 times [2019-12-07 17:22:01,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:01,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526188107] [2019-12-07 17:22:01,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,463 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:01,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1084083785, now seen corresponding path program 2 times [2019-12-07 17:22:01,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:01,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998155616] [2019-12-07 17:22:01,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,483 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:01,501 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:01,501 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:01,501 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:01,502 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:01,502 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:22:01,502 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,502 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:01,502 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:01,502 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration3_Loop [2019-12-07 17:22:01,502 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:01,502 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:01,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,556 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:01,557 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,559 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:01,559 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:01,564 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:01,565 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=101} Honda state: {ULTIMATE.start_main_~z~0=101} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:01,568 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,574 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:22:01,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:01,579 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:22:01,580 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:01,580 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:01,580 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:01,581 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:01,581 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:22:01,581 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,581 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:01,581 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:01,581 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration3_Loop [2019-12-07 17:22:01,581 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:01,581 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:01,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,591 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 17:22:01,655 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:01,655 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:01,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:01,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:01,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:01,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:01,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:01,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:01,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:01,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:01,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:01,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:01,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:01,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:01,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:01,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:01,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:01,668 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:22:01,671 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:22:01,671 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,673 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:22:01,673 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:22:01,673 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:22:01,673 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [] [2019-12-07 17:22:01,674 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:22:01,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:01,690 INFO L264 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:22:01,690 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:01,693 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:22:01,694 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:01,700 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:22:01,700 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 17:22:01,707 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 17 states and 24 transitions. Complement of second has 5 states. [2019-12-07 17:22:01,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:22:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:22:01,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-12-07 17:22:01,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 17:22:01,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,708 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:22:01,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:01,720 INFO L264 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:22:01,721 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:01,724 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:22:01,724 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:01,730 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:22:01,730 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 17:22:01,737 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 17 states and 24 transitions. Complement of second has 5 states. [2019-12-07 17:22:01,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:22:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:22:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-12-07 17:22:01,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 17:22:01,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,738 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:22:01,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:01,749 INFO L264 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:22:01,750 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:01,753 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:22:01,753 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:01,759 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:22:01,759 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 17:22:01,766 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 19 states and 27 transitions. Complement of second has 4 states. [2019-12-07 17:22:01,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:22:01,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:22:01,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2019-12-07 17:22:01,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 17:22:01,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 2 letters. [2019-12-07 17:22:01,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 9 letters. Loop has 4 letters. [2019-12-07 17:22:01,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:01,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 27 transitions. [2019-12-07 17:22:01,768 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 17:22:01,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 23 transitions. [2019-12-07 17:22:01,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 17:22:01,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 17:22:01,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2019-12-07 17:22:01,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:22:01,769 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-12-07 17:22:01,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2019-12-07 17:22:01,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 9. [2019-12-07 17:22:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 17:22:01,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-12-07 17:22:01,770 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-12-07 17:22:01,770 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-12-07 17:22:01,770 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 17:22:01,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2019-12-07 17:22:01,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 17:22:01,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:22:01,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:22:01,771 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:22:01,771 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:22:01,771 INFO L794 eck$LassoCheckResult]: Stem: 378#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_#t~post6, main_~tmp~0, main_~x~0, main_~z~0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 379#L17 assume !!(main_~x~0 > -100); 384#L18 assume !!(main_~x~0 < 200); 385#L19 assume !!(main_~z~0 > 100); 386#L20 assume !!(main_~z~0 < 200); 380#L24-2 [2019-12-07 17:22:01,771 INFO L796 eck$LassoCheckResult]: Loop: 380#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 382#L24 assume !(0 != main_~tmp~0 % 256);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_#t~post6 := main_~z~0;main_~z~0 := main_#t~post6 - 1;havoc main_#t~post6; 380#L24-2 [2019-12-07 17:22:01,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,771 INFO L82 PathProgramCache]: Analyzing trace with hash 29742506, now seen corresponding path program 2 times [2019-12-07 17:22:01,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:01,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677853176] [2019-12-07 17:22:01,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,775 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:01,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-12-07 17:22:01,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:01,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396148209] [2019-12-07 17:22:01,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,780 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:01,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:01,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1482221841, now seen corresponding path program 3 times [2019-12-07 17:22:01,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:22:01,780 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379509734] [2019-12-07 17:22:01,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:22:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:22:01,786 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:22:01,803 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:01,803 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:01,803 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:01,803 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:01,803 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:22:01,803 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,803 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:01,803 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:01,804 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration4_Loop [2019-12-07 17:22:01,804 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:01,804 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:01,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,867 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:01,868 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:01,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:01,873 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:01,873 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:01,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:01,879 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:01,879 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:01,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:01,890 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:22:01,890 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~tmp~0=0, ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_~tmp~0=0, ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:22:01,894 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:22:01,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:22:01,905 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:22:01,906 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:22:01,906 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:22:01,906 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:22:01,906 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:22:01,906 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:22:01,906 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,906 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:22:01,906 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:22:01,906 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration4_Loop [2019-12-07 17:22:01,906 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:22:01,906 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:22:01,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:22:01,961 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:22:01,961 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:01,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:01,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:01,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:01,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:01,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:01,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:01,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:01,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:01,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:01,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:01,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:01,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:01,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:01,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:01,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:01,976 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:22:01,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:22:01,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:22:01,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:22:01,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:22:01,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:22:01,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:22:01,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:22:01,986 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:22:01,992 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-12-07 17:22:01,993 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a2482b8-d7eb-427a-bd02-00151f7cc535/bin/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:22:01,995 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:22:01,995 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:22:01,996 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:22:01,996 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2019-12-07 17:22:01,998 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:22:02,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:22:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:02,012 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:22:02,012 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:22:02,015 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:22:02,016 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:22:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:22:02,022 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:22:02,022 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand 3 states. [2019-12-07 17:22:02,028 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 15 states and 21 transitions. Complement of second has 4 states. [2019-12-07 17:22:02,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:22:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:22:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2019-12-07 17:22:02,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 17:22:02,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:02,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 17:22:02,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:02,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 17:22:02,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:22:02,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. [2019-12-07 17:22:02,030 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:22:02,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-12-07 17:22:02,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:22:02,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:22:02,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:22:02,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:22:02,030 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:02,030 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:02,030 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:22:02,030 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 17:22:02,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:22:02,031 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:22:02,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:22:02,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:22:02 BoogieIcfgContainer [2019-12-07 17:22:02,035 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:22:02,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:22:02,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:22:02,035 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:22:02,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:22:00" (3/4) ... [2019-12-07 17:22:02,038 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:22:02,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:22:02,039 INFO L168 Benchmark]: Toolchain (without parser) took 1891.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 945.1 MB in the beginning and 968.7 MB in the end (delta: -23.6 MB). Peak memory consumption was 71.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:02,039 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:22:02,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:02,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.89 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 17:22:02,040 INFO L168 Benchmark]: Boogie Preprocessor took 11.83 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 17:22:02,041 INFO L168 Benchmark]: RCFGBuilder took 141.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:02,041 INFO L168 Benchmark]: BuchiAutomizer took 1534.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 968.7 MB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:22:02,041 INFO L168 Benchmark]: Witness Printer took 2.65 ms. Allocated memory is still 1.1 GB. Free memory is still 968.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:22:02,043 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 178.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.89 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 11.83 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 141.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1534.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 968.7 MB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.65 ms. Allocated memory is still 1.1 GB. Free memory is still 968.7 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 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * x + 199 and consists of 5 locations. One deterministic module has affine ranking function -2 * x + 199 and consists of 3 locations. One deterministic module has affine ranking function z and consists of 3 locations. One nondeterministic module has affine ranking function -2 * x + 199 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 15 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 54 SDtfs, 53 SDslu, 11 SDs, 0 SdLazy, 42 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp47 ukn100 mio100 lsp100 div444 bol100 ite100 ukn100 eq150 hnf48 smp82 dnf100 smp100 tf106 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...