./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.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_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/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 946ca263ceeb3f3c46f4e6e15a44f3d7052d43ca ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:53:41,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:53:41,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:53:41,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:53:41,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:53:41,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:53:41,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:53:41,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:53:41,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:53:41,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:53:41,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:53:41,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:53:41,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:53:41,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:53:41,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:53:41,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:53:41,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:53:41,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:53:41,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:53:41,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:53:41,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:53:41,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:53:41,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:53:41,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:53:41,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:53:41,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:53:41,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:53:41,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:53:41,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:53:41,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:53:41,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:53:41,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:53:41,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:53:41,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:53:41,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:53:41,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:53:41,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:53:41,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:53:41,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:53:41,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:53:41,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:53:41,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:53:41,491 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:53:41,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:53:41,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:53:41,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:53:41,493 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:53:41,493 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:53:41,493 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:53:41,493 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:53:41,493 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:53:41,493 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:53:41,494 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:53:41,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:53:41,494 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:53:41,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:53:41,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:53:41,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:53:41,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:53:41,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:53:41,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:53:41,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:53:41,495 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:53:41,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:53:41,495 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:53:41,495 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:53:41,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:53:41,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:53:41,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:53:41,496 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:53:41,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:53:41,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:53:41,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:53:41,496 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:53:41,496 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:53:41,497 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_f0cee985-dbeb-4dba-a525-2a76c176fc44/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 -> 946ca263ceeb3f3c46f4e6e15a44f3d7052d43ca [2019-12-07 18:53:41,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:53:41,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:53:41,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:53:41,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:53:41,608 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:53:41,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2019-12-07 18:53:41,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/data/f4395ae6d/b97f6853015342f4b43ccc76b4233862/FLAGd7c38f30e [2019-12-07 18:53:42,054 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:53:42,054 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2019-12-07 18:53:42,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/data/f4395ae6d/b97f6853015342f4b43ccc76b4233862/FLAGd7c38f30e [2019-12-07 18:53:42,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/data/f4395ae6d/b97f6853015342f4b43ccc76b4233862 [2019-12-07 18:53:42,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:53:42,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:53:42,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:42,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:53:42,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:53:42,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dea57e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42, skipping insertion in model container [2019-12-07 18:53:42,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:53:42,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:53:42,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:53:42,184 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:53:42,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:53:42,234 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:53:42,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42 WrapperNode [2019-12-07 18:53:42,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:42,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:53:42,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:53:42,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:53:42,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:53:42,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:53:42,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:53:42,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:53:42,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (1/1) ... [2019-12-07 18:53:42,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:53:42,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:53:42,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:53:42,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:53:42,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:53:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:53:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-12-07 18:53:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-12-07 18:53:42,381 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:53:42,381 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 18:53:42,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:53:42 BoogieIcfgContainer [2019-12-07 18:53:42,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:53:42,382 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:53:42,383 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:53:42,385 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:53:42,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:53:42,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:53:42" (1/3) ... [2019-12-07 18:53:42,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2617df8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:53:42, skipping insertion in model container [2019-12-07 18:53:42,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:53:42,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:42" (2/3) ... [2019-12-07 18:53:42,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2617df8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:53:42, skipping insertion in model container [2019-12-07 18:53:42,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:53:42,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:53:42" (3/3) ... [2019-12-07 18:53:42,388 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_i15_o15-1.c [2019-12-07 18:53:42,417 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:53:42,417 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:53:42,417 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:53:42,417 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:53:42,418 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:53:42,418 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:53:42,418 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:53:42,418 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:53:42,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 18:53:42,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 18:53:42,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:53:42,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:53:42,447 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 18:53:42,447 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:53:42,447 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:53:42,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 18:53:42,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 18:53:42,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:53:42,449 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:53:42,449 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 18:53:42,449 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:53:42,454 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 15; 7#L11true call main_#t~ret1 := id(main_~input~0);< 9#idENTRYtrue [2019-12-07 18:53:42,454 INFO L796 eck$LassoCheckResult]: Loop: 9#idENTRYtrue ~x := #in~x; 14#L5true assume !(0 == ~x); 11#L6true call #t~ret0 := id(~x - 1);< 9#idENTRYtrue [2019-12-07 18:53:42,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:53:42,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2019-12-07 18:53:42,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:53:42,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026005932] [2019-12-07 18:53:42,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:53:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:42,530 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:53:42,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:53:42,531 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2019-12-07 18:53:42,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:53:42,532 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740796153] [2019-12-07 18:53:42,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:53:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:42,539 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:53:42,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:53:42,541 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2019-12-07 18:53:42,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:53:42,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608503736] [2019-12-07 18:53:42,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:53:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:42,550 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:53:42,601 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:53:42,601 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:53:42,601 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:53:42,601 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:53:42,601 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:53:42,601 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:53:42,602 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:53:42,602 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i15_o15-1.c_Iteration1_Loop [2019-12-07 18:53:42,602 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:53:42,602 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:53:42,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,671 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:53:42,672 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:53:42,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:53:42,683 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:53:42,683 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:53:42,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:53:42,690 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:53:42,690 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:53:42,694 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:53:42,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:53:42,716 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:53:42,716 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-1} Honda state: {id_#in~x=-1} Generalized eigenvectors: [{id_#in~x=-1}, {id_#in~x=0}, {id_#in~x=0}] Lambdas: [1, 0, 5] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:53:42,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:53:42,723 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:53:42,723 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-12-07 18:53:42,739 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:53:42,739 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:53:42,739 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:53:42,739 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:53:42,739 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:53:42,739 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,739 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:53:42,739 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:53:42,739 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i15_o15-1.c_Iteration1_Lasso [2019-12-07 18:53:42,740 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:53:42,740 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:53:42,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,804 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:53:42,805 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:53:42,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:53:42,810 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:53:42,810 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:53:42,814 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:53:42,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:53:42,828 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:53:42,829 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:53:42,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:53:42,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:53:42,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:53:42,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:53:42,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:53:42,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:53:42,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:53:42,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i15_o15-1.c_Iteration1_Lasso [2019-12-07 18:53:42,830 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:53:42,830 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:53:42,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:53:42,885 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:53:42,889 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/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 18:53:42,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:53:42,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:53:42,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:53:42,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:53:42,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:53:42,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:53:42,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:53:42,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:53:42,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/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 18:53:42,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:53:42,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:53:42,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:53:42,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:53:42,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:53:42,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:53:42,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:53:42,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:53:42,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/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 18:53:42,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:53:42,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:53:42,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:53:42,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:53:42,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:53:42,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:53:42,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:53:42,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:53:42,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/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 18:53:42,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:53:42,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:53:42,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:53:42,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:53:42,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:53:42,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:53:42,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:53:42,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:53:42,919 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/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 18:53:42,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:53:42,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:53:42,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:53:42,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:53:42,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:53:42,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:53:42,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:53:42,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:53:42,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/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 18:53:42,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:53:42,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:53:42,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:53:42,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:53:42,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:53:42,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:53:42,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:53:42,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:53:42,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/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 18:53:42,939 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 18:53:42,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:53:42,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:53:42,940 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:53:42,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:53:42,950 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 18:53:42,951 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:53:42,968 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:53:42,990 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-12-07 18:53:42,990 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0cee985-dbeb-4dba-a525-2a76c176fc44/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 18:53:42,994 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:53:42,998 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-12-07 18:53:42,998 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:53:42,999 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2019-12-07 18:53:43,003 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-12-07 18:53:43,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:53:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:53:43,037 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 18:53:43,038 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:53:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:53:43,059 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 18:53:43,059 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:53:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:53:43,097 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 18:53:43,098 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2019-12-07 18:53:43,199 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 29 states and 34 transitions. Complement of second has 13 states. [2019-12-07 18:53:43,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 18:53:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 18:53:43,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-12-07 18:53:43,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2019-12-07 18:53:43,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:53:43,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 18:53:43,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:53:43,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 18:53:43,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:53:43,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2019-12-07 18:53:43,209 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:53:43,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-12-07 18:53:43,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:53:43,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:53:43,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:53:43,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:53:43,214 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:53:43,214 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:53:43,214 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:53:43,214 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:53:43,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:53:43,214 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:53:43,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:53:43,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:53:43 BoogieIcfgContainer [2019-12-07 18:53:43,220 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:53:43,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:53:43,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:53:43,222 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:53:43,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:53:42" (3/4) ... [2019-12-07 18:53:43,224 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:53:43,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:53:43,226 INFO L168 Benchmark]: Toolchain (without parser) took 1156.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 944.8 MB in the beginning and 888.1 MB in the end (delta: 56.6 MB). Peak memory consumption was 146.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:43,227 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:53:43,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:43,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:53:43,228 INFO L168 Benchmark]: Boogie Preprocessor took 9.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:53:43,229 INFO L168 Benchmark]: RCFGBuilder took 118.54 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:43,230 INFO L168 Benchmark]: BuchiAutomizer took 838.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 888.1 MB in the end (delta: 179.9 MB). Peak memory consumption was 179.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:43,230 INFO L168 Benchmark]: Witness Printer took 3.42 ms. Allocated memory is still 1.1 GB. Free memory is still 888.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:53:43,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.49 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 118.54 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 838.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 888.1 MB in the end (delta: 179.9 MB). Peak memory consumption was 179.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.42 ms. Allocated memory is still 1.1 GB. Free memory is still 888.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq202 hnf95 smp100 dnf150 smp100 tf102 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 62ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...